/* ================= Buttons ================= */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.7rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-sm);
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft), border-color var(--dur-fast);
  white-space: nowrap;
}
.btn svg.icon { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--pink);
  color: #fff;
  box-shadow: var(--shadow-pink);
}
.btn--primary:hover { box-shadow: 0 20px 45px -10px rgba(244, 49, 130, 0.6); }

.btn--chrome {
  background: var(--chrome-gradient);
  color: #0b0b0d;
  font-weight: 700;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn--ghost:hover { border-color: var(--pink); color: var(--pink); }

.btn--sm { padding: 0.65rem 1.2rem; font-size: var(--fs-xs); }
.btn--block { width: 100%; justify-content: center; }

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,0.55) 45%, transparent 70%);
  transform: translateX(-120%);
  transition: transform var(--dur-slow) var(--ease);
}
.btn:hover::after { transform: translateX(120%); }

/* ================= Header / Nav ================= */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  padding-block: 1.1rem;
  transition: padding var(--dur-base) var(--ease-soft), background var(--dur-base), border-color var(--dur-base);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  padding-block: 0.7rem;
  background: rgba(11, 11, 13, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-color: var(--border);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand img { height: 34px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 2.1rem; }
.main-nav__list { display: flex; align-items: center; gap: 2.1rem; }
.main-nav__link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-dim);
  padding-block: 0.3rem;
  transition: color var(--dur-fast);
}
.main-nav__link::after {
  content: '';
  position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--pink);
  transition: width var(--dur-fast) var(--ease-soft);
}
.main-nav__link:hover, .main-nav__link.is-active { color: var(--text); }
.main-nav__link:hover::after, .main-nav__link.is-active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 1.1rem; }

.lang-switch { display: flex; align-items: center; gap: 0.35rem; font-size: var(--fs-xs); font-weight: 600; color: var(--text-faint); }
.lang-switch a { padding: 0.2rem 0.4rem; border-radius: 4px; transition: color var(--dur-fast); }
.lang-switch a.is-active { color: var(--pink); }
.lang-switch a:hover { color: var(--text); }
.lang-switch span { opacity: 0.4; }

.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 0.5rem; color: var(--text);
}
.nav-toggle svg.icon { width: 22px; height: 22px; }

@media (max-width: 900px) {
  .main-nav { position: fixed; inset: 0; top: 0; z-index: calc(var(--z-header) - 1);
    background: rgba(10,10,11,0.98); backdrop-filter: blur(10px);
    flex-direction: column; justify-content: center; align-items: center; gap: 2.4rem;
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease); }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .main-nav__list { flex-direction: column; gap: 1.8rem; }
  .main-nav__link { font-size: var(--fs-xl); font-family: var(--font-display); }
  .nav-toggle { display: inline-flex; z-index: var(--z-header); }
  .header-actions .btn--primary.nav-cta-desktop { display: none; }
}

/* ================= Icons ================= */

.icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ================= Marquee ================= */

.marquee { border-block: 1px solid var(--border); overflow: hidden; background: var(--bg-alt); }
.marquee__track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.marquee__group { display: flex; align-items: center; padding-block: 1.1rem; }
.marquee span {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.1rem, 2vw, 1.6rem);
  color: var(--text-faint); padding-inline: 1.2rem; white-space: nowrap;
}
.marquee span:nth-child(odd) { color: var(--text); }

/* ================= Chrome divider ================= */

.chrome-rule { height: 2px; background: var(--chrome-gradient); border: 0; opacity: 0.6; }

/* ================= Cards ================= */

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(1.6rem, 2.4vw, 2.4rem);
  transition: transform var(--dur-base) var(--ease-soft), border-color var(--dur-base), box-shadow var(--dur-base);
}

.icon-tile {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(244,49,130,0.16), rgba(244,49,130,0.02));
  border: 1px solid rgba(244,49,130,0.25);
  color: var(--pink);
  margin-bottom: 1.4rem;
}
.icon-tile svg.icon { width: 26px; height: 26px; }
.icon-tile--chrome { background: var(--chrome-gradient); border-color: transparent; color: #0b0b0d; }

/* service teaser card */
.service-card { display: flex; flex-direction: column; height: 100%; }
.service-card:hover { transform: translateY(-6px); border-color: rgba(244,49,130,0.35); box-shadow: var(--shadow-card); }
.service-card h3 { font-size: var(--fs-xl); margin-bottom: 0.6rem; }
.service-card p { flex: 1; }
.service-card__link { margin-top: 1.4rem; display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; font-size: var(--fs-sm); color: var(--pink); }
.service-card__link svg.icon { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease-soft); }
.service-card:hover .service-card__link svg.icon { transform: translate(3px, -3px); }

/* stat */
.stats-grid { grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding-block: 1rem; border-left: 1px solid var(--border); }
.stat:first-child { border-left: none; }
.stat__value { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
.stat__label { color: var(--text-faint); font-size: var(--fs-sm); margin-top: 0.4rem; }
@media (max-width: 760px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
  .stat { border-left: none; }
}

/* process */
.process-grid { grid-template-columns: repeat(4, 1fr); counter-reset: step; }
.process-step { position: relative; padding-top: 1rem; }
.process-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-size: 2.4rem; font-weight: 700;
  background: var(--chrome-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 1rem;
}
.process-step h3 { font-size: var(--fs-lg); margin-bottom: 0.5rem; }
.process-step p { font-size: var(--fs-sm); }
@media (max-width: 900px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }

/* differentiators */
.diff-grid { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .diff-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .diff-grid { grid-template-columns: 1fr; } }
.diff-card h3 { font-size: var(--fs-lg); margin-bottom: 0.5rem; }
.diff-card p { font-size: var(--fs-sm); }

/* testimonial */
.testimonial-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .testimonial-grid { grid-template-columns: 1fr; } }
.testimonial-card { display: flex; flex-direction: column; }
.testimonial-card svg.icon { width: 30px; height: 30px; color: var(--pink); margin-bottom: 1rem; }
.testimonial-card blockquote { font-size: var(--fs-lg); font-family: var(--font-display); font-weight: 500; color: var(--text); flex: 1; }
.testimonial-card footer { margin-top: 1.4rem; display: flex; align-items: center; gap: 0.8rem; }
.testimonial-card__avatar {
  width: 42px; height: 42px; border-radius: 50%; background: var(--chrome-gradient);
  display: grid; place-items: center; font-weight: 700; color: #0b0b0d; font-size: var(--fs-xs); flex-shrink: 0;
}
.testimonial-card cite { font-style: normal; font-weight: 600; display: block; }
.testimonial-card .role { font-size: var(--fs-xs); color: var(--text-faint); }

/* project card (portfolio grid) */
.project-card {
  display: block; position: relative; border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-alt);
  transition: transform var(--dur-base) var(--ease-soft), box-shadow var(--dur-base);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.project-card__media { aspect-ratio: 4 / 3; overflow: hidden; }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease); }
.project-card:hover .project-card__media img { transform: scale(1.06); }
.project-card__body { padding: 1.4rem 1.5rem 1.6rem; }
.project-card__cat { font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); }
.project-card__title { font-family: var(--font-display); font-size: var(--fs-lg); margin-top: 0.4rem; }
.project-card__meta { display: flex; justify-content: space-between; align-items: center; margin-top: 0.9rem; font-size: var(--fs-xs); color: var(--text-faint); }

.portfolio-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* filter tabs */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: clamp(2rem, 3vw, 3rem); }
.filter-btn {
  padding: 0.6rem 1.3rem; border-radius: var(--radius-pill); border: 1px solid var(--border-strong);
  font-size: var(--fs-sm); font-weight: 600; color: var(--text-dim); background: transparent;
  transition: all var(--dur-fast) var(--ease-soft);
}
.filter-btn:hover { border-color: var(--pink); color: var(--text); }
.filter-btn.is-active { background: var(--pink); border-color: var(--pink); color: #fff; }

/* value / team cards */
.value-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 700px) { .value-grid, .team-grid { grid-template-columns: 1fr; } }
.value-card { display: flex; gap: 1.2rem; }
.value-card__num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--pink); flex-shrink: 0; }

.team-card { text-align: center; }
.team-card__avatar {
  width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 1.1rem;
  background: var(--chrome-gradient); display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: #0b0b0d; font-size: var(--fs-lg);
}
.team-card h3 { font-size: var(--fs-lg); }
.team-card p { font-size: var(--fs-sm); margin-top: 0.4rem; }

/* tiers */
.tiers-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .tiers-grid { grid-template-columns: 1fr; } }
.tier-card { text-align: left; }
.tier-card__tag { display: inline-block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); margin-bottom: 0.8rem; }
.tier-card h3 { font-size: var(--fs-xl); margin-bottom: 0.7rem; }

/* faq accordion */
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: transparent; border: 0; text-align: left; padding: 1.4rem 0.2rem;
  font-family: var(--font-display); font-size: var(--fs-lg); color: var(--text);
}
.faq-item__q svg.icon { transition: transform var(--dur-fast) var(--ease-soft); color: var(--pink); flex-shrink: 0; }
.faq-item.is-open .faq-item__q svg.icon { transform: rotate(180deg); }
.faq-item__a {
  max-height: 0; overflow: hidden; transition: max-height var(--dur-base) var(--ease-soft);
}
.faq-item__a p { padding-bottom: 1.4rem; padding-right: 2rem; }

/* ================= Forms ================= */

.field { margin-bottom: 1.3rem; }
.field label { display: block; font-size: var(--fs-sm); font-weight: 600; margin-bottom: 0.5rem; color: var(--text-dim); }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg-alt); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 0.85rem 1rem; color: var(--text); font-size: var(--fs-base);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--pink); box-shadow: 0 0 0 3px rgba(244,49,130,0.18);
}
.field textarea { resize: vertical; min-height: 140px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }
.field-error { color: var(--pink); font-size: var(--fs-xs); margin-top: 0.4rem; }

.form-alert { padding: 1rem 1.3rem; border-radius: var(--radius-sm); font-size: var(--fs-sm); margin-bottom: 1.6rem; border: 1px solid; }
.form-alert--success { background: rgba(52, 199, 89, 0.1); border-color: rgba(52, 199, 89, 0.4); color: #6cd88a; }
.form-alert--error { background: rgba(244, 49, 130, 0.1); border-color: rgba(244, 49, 130, 0.4); color: var(--pink); }

/* ================= Footer ================= */

.site-footer { background: var(--black); border-top: 1px solid var(--border); padding-block: clamp(3.5rem, 5vw, 5.5rem) 2rem; }
.footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; margin-bottom: 3rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand img { height: 30px; margin-bottom: 1rem; }
.footer-brand p { max-width: 280px; font-size: var(--fs-sm); }
.footer-col h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 1.1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a { font-size: var(--fs-sm); color: var(--text-dim); transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--pink); }
.footer-social { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.footer-social a { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--border-strong); border-radius: 50%; transition: all var(--dur-fast); }
.footer-social a:hover { border-color: var(--pink); color: var(--pink); transform: translateY(-3px); }
.footer-social svg.icon { width: 17px; height: 17px; }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-top: 2rem; border-top: 1px solid var(--border); font-size: var(--fs-xs); color: var(--text-faint); }
.back-to-top { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--text-faint); }
.back-to-top svg.icon { width: 14px; height: 14px; transform: rotate(180deg); }

/* ================= CTA band ================= */

.cta-band {
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 5rem);
  background: linear-gradient(135deg, var(--black-alt), var(--black));
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: ''; position: absolute; inset: -40%;
  background: radial-gradient(circle at 30% 20%, var(--pink-glow), transparent 55%);
  opacity: 0.6;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { max-width: 560px; margin-inline: auto; margin-bottom: 2rem; }

/* ================= Lightbox ================= */

.lightbox {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  background: rgba(6,6,7,0.94); display: none; align-items: center; justify-content: center; padding: 4vh 4vw;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: var(--radius-sm); }
.lightbox__close { position: absolute; top: 24px; right: 24px; color: #fff; background: rgba(255,255,255,0.08); border-radius: 50%; width: 46px; height: 46px; display: grid; place-items: center; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; background: rgba(255,255,255,0.08); border-radius: 50%; width: 50px; height: 50px; display: grid; place-items: center; }
.lightbox__nav--prev { left: 18px; }
.lightbox__nav--prev svg { transform: scaleX(-1); }
.lightbox__nav--next { right: 18px; }

/* ================= Breadcrumb / back link ================= */

.back-link { display: inline-flex; align-items: center; gap: 0.5rem; font-size: var(--fs-sm); font-weight: 600; color: var(--text-dim); margin-bottom: 2rem; }
.back-link:hover { color: var(--pink); }
.back-link svg.icon { width: 16px; height: 16px; transform: scaleX(-1); }

/* ================= badge ================= */

.badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.8rem; border-radius: var(--radius-pill); font-size: var(--fs-xs); font-weight: 700;
  background: rgba(244,49,130,0.12); color: var(--pink); border: 1px solid rgba(244,49,130,0.3);
}