/* ==========================================================================
   Components — nav, buttons, cards, services, testimonials, form, footer
   ========================================================================== */

/* =============================== PRELOADER =============================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-preloader);
  display: grid;
  place-content: center;
  gap: 1.5rem;
  background: var(--bg);
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.preloader.is-done {
  opacity: 0;
  visibility: hidden;
}
.preloader__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(4rem, 12vw, 7rem);
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
  animation: markPulse 1.4s var(--ease-in-out) infinite;
}
@keyframes markPulse {
  0%, 100% { opacity: 0.5; transform: scale(0.96); }
  50% { opacity: 1; transform: scale(1.04); }
}
.preloader__bar {
  width: 180px;
  height: 3px;
  border-radius: 3px;
  background: var(--glass-strong);
  overflow: hidden;
}
.preloader__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--grad);
  transition: width 0.2s linear;
}

/* ================================ CURSOR ================================= */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.55), transparent 70%);
  border: 1px solid rgba(34, 211, 238, 0.5);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out),
    background 0.25s;
  mix-blend-mode: screen;
}
.cursor.is-hover {
  width: 56px;
  height: 56px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.25), transparent 70%);
}
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
}

/* ============================ SCROLL PROGRESS =========================== */
.scroll-progress {
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: right; /* RTL */
  z-index: var(--z-overlay);
}

/* ================================== NAV ================================= */
.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-nav);
  padding-block: 1.1rem;
  transition: padding 0.4s var(--ease-out), background 0.4s, backdrop-filter 0.4s,
    border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  padding-block: 0.65rem;
  background: rgba(7, 7, 11, 0.72);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
}
.nav__mark {
  display: grid;
  place-content: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--grad);
  color: #07070b;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  box-shadow: var(--glow-violet);
}
.nav__links {
  position: relative;
  display: flex;
  gap: 0.4rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
}
.nav__link {
  position: relative;
  z-index: 2;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease-out);
}
.nav__link:hover,
.nav__link.is-active {
  color: var(--text);
}
.nav__indicator {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0.35rem;
  width: 0;
  height: calc(100% - 0.7rem);
  border-radius: 999px;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  opacity: 0;
  transition: left 0.4s var(--ease-out), width 0.4s var(--ease-out), opacity 0.3s;
  pointer-events: none;
}
.nav__cta { flex-shrink: 0; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ================================ BUTTONS =============================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur),
    background var(--dur), border-color var(--dur), color var(--dur);
  will-change: transform;
}
.btn--sm { padding: 0.55rem 1.1rem; font-size: var(--text-sm); }
.btn--block { width: 100%; }
.btn--solid {
  background: var(--grad);
  color: #07070b;
  box-shadow: 0 10px 30px -10px rgba(139, 92, 246, 0.6);
}
.btn--solid:hover {
  box-shadow: 0 14px 40px -8px rgba(34, 211, 238, 0.6);
  transform: translateY(-2px);
}
.btn--ghost {
  background: var(--glass);
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover {
  background: var(--glass-strong);
  border-color: var(--cyan);
}

/* CV button — pill that morphs on hover */
.btn--cv {
  position: relative;
  overflow: hidden;
  align-self: flex-start;
  margin-top: var(--space-3);
  padding: 1rem 1.6rem;
  background: var(--glass);
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn--cv::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad);
  transform: translateY(101%);
  transition: transform 0.45s var(--ease-out);
  z-index: 0;
}
.btn--cv:hover::before { transform: translateY(0); }
.btn--cv__text,
.btn--cv__icon { position: relative; z-index: 1; transition: color 0.3s; }
.btn--cv__icon {
  display: grid;
  place-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--grad);
  color: #07070b;
  transition: transform 0.45s var(--ease-out), background 0.3s;
}
.btn--cv:hover { color: #07070b; border-color: transparent; }
.btn--cv:hover .btn--cv__icon { background: #07070b; color: var(--text); transform: translateY(3px); }

/* ================================= HERO ================================= */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__blob { width: 46vw; height: 46vw; max-width: 640px; max-height: 640px; }
.hero__blob--1 { top: -8%; inset-inline-start: -6%; background: var(--violet); }
.hero__blob--2 { bottom: -14%; inset-inline-end: -8%; background: var(--cyan); opacity: 0.4; animation-delay: -8s; }
.hero__inner { padding-top: 6rem; }
.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-3);
}
.hero__kicker .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: var(--glow-cyan);
}
.hero__title {
  font-size: var(--text-hero);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.hero__line { display: block; overflow: hidden; }
.hero__word { display: inline-block; }
.hero__subline {
  max-width: 46ch;
  color: var(--text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  inset-inline-start: 50%;
  transform: translateX(50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-xs);
  color: var(--text-dim);
}
.hero__scroll-line {
  width: 2px; height: 46px;
  background: linear-gradient(var(--cyan), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ================================= ABOUT ================================ */
.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.about__media { position: relative; }
.about__portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, #1b1530, #0a1a1f);
  border: 1px solid var(--border-strong);
  display: grid;
  place-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.about__portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(139, 92, 246, 0.35), transparent 60%),
    radial-gradient(circle at 80% 90%, rgba(34, 211, 238, 0.3), transparent 55%);
}
.about__portrait-fallback {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 5rem);
  color: rgba(255, 255, 255, 0.14);
}
.about__badge {
  position: absolute;
  bottom: 1.2rem;
  inset-inline-start: -1rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  background: rgba(7, 7, 11, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  font-weight: 600;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-card);
}
.about__text { margin-block: var(--space-3); display: grid; gap: 1rem; }
.about__line { color: var(--text-muted); }
.about__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-block: var(--space-4);
  padding-block: var(--space-3);
  border-block: 1px solid var(--border);
}
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-2xl);
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat__label { font-size: var(--text-sm); color: var(--text-dim); }

/* =============================== PORTFOLIO ============================== */
.portfolio__body { padding-bottom: var(--space-section); }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.chip {
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--dur), background var(--dur), border-color var(--dur),
    transform var(--dur);
}
.chip:hover { color: var(--text); transform: translateY(-2px); }
.chip.is-active {
  color: #07070b;
  background: var(--grad);
  border-color: transparent;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 1.2rem;
}
.card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.5s var(--ease-out), border-color 0.4s,
    box-shadow 0.4s, opacity 0.4s;
}
.card--lg { grid-column: span 2; grid-row: span 2; }
.card--md { grid-column: span 2; grid-row: span 1; }
.card--sm { grid-column: span 1; grid-row: span 1; }
.card__art {
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, var(--c), #0a0a14 80%);
  transition: transform 0.7s var(--ease-out);
}
.card__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.18), transparent 55%);
  mix-blend-mode: overlay;
}
.card:hover { transform: translateY(-4px); border-color: var(--c); box-shadow: 0 30px 60px -28px var(--c); }
.card:hover .card__art { transform: scale(1.08); }
.card__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.25rem;
  padding: 1.4rem;
  background: linear-gradient(to top, rgba(7, 7, 11, 0.85), transparent 65%);
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.45s var(--ease-out), opacity 0.45s;
}
.card:hover .card__overlay,
.card:focus-visible .card__overlay { transform: none; opacity: 1; }
.card__cat {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--cyan);
}
.card__title { font-size: var(--text-xl); font-weight: 700; }
.card__year { font-size: var(--text-xs); color: var(--text-dim); }
.card.is-hidden { display: none; }

/* =============================== SERVICES =============================== */
.services__head { max-width: var(--container-narrow); margin-bottom: var(--space-6); }
.services__rail {
  position: relative;
  height: 3px;
  border-radius: 3px;
  background: var(--border);
  margin-bottom: var(--space-6);
  overflow: hidden;
}
.services__rail-fill {
  position: absolute;
  inset: 0;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: right; /* RTL */
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.svc {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), border-color 0.4s, background 0.4s;
}
.svc::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
}
.svc.on { transform: translateY(-6px); background: var(--surface-2); }
.svc.on::before,
.svc:hover::before { opacity: 1; }
.svc__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--text-dim);
  transition: color 0.4s;
}
.svc.on .svc__num {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.svc__icon {
  display: grid;
  place-content: center;
  width: 56px;
  height: 56px;
  margin-block: 1.2rem 1rem;
  border-radius: 16px;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  color: var(--cyan);
}
.svc__icon svg { width: 28px; height: 28px; }
.svc__title { font-size: var(--text-lg); font-weight: 700; margin-bottom: 0.5rem; }
.svc__desc { font-size: var(--text-sm); color: var(--text-muted); }

/* ============================= TESTIMONIALS ============================= */
.tst-intro { flex: 0 0 min(80vw, 460px); align-self: center; }
.tst-intro__title { font-size: var(--text-3xl); font-weight: 900; margin-bottom: 1rem; }
.tst-intro__hint { color: var(--text-dim); font-size: var(--text-sm); }
.quote {
  flex: 0 0 min(82vw, 440px);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 2.4rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  align-self: center;
  box-shadow: var(--shadow-card);
}
.quote__mark {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.5;
  height: 2rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.quote blockquote { font-size: var(--text-lg); font-weight: 500; line-height: 1.6; }
.quote__by { display: flex; align-items: center; gap: 0.9rem; margin-top: auto; }
.quote__avatar {
  display: grid;
  place-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}
.quote__by strong { display: block; font-size: var(--text-base); }
.quote__by small { color: var(--text-dim); font-size: var(--text-xs); }

/* ================================ CONTACT =============================== */
.cta-card__inner { width: 100%; max-width: 640px; margin-inline: auto; padding: clamp(1.5rem, 4vw, 3rem); }
.cta-card__title { font-size: var(--text-3xl); font-weight: 900; margin-bottom: var(--space-4); }
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
.field { position: relative; }
.field--full { grid-column: 1 / -1; }
.field input,
.field textarea {
  width: 100%;
  padding: 1.1rem 1.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  resize: vertical;
}
.field label {
  position: absolute;
  inset-inline-start: 1.2rem;
  top: 1rem;
  color: var(--text-dim);
  font-size: var(--text-base);
  pointer-events: none;
  transition: transform 0.25s var(--ease-out), color 0.25s, font-size 0.25s;
  transform-origin: right;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: transparent;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 1.5px var(--violet), var(--glow-violet);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-0.65rem) scale(0.8);
  color: var(--cyan);
}
.form__status { grid-column: 1 / -1; font-size: var(--text-sm); min-height: 1.2em; }
.form__status.is-ok { color: var(--cyan); }
.form__status.is-err { color: #f87171; }

/* ============================= WHATSAPP FAB ============================= */
.whatsapp-fab {
  position: fixed;
  bottom: clamp(1rem, 3vw, 1.8rem);
  inset-inline-start: clamp(1rem, 3vw, 1.8rem);
  z-index: var(--z-overlay);
  display: grid;
  place-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(145deg, #25d366, #128c7e);
  box-shadow: 0 12px 30px -8px rgba(37, 211, 102, 0.6);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
  will-change: transform;
}
.whatsapp-fab::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: inherit;
  z-index: -1;
  animation: waPulse 2.4s ease-out infinite;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.6; }
  70%, 100% { transform: scale(1.8); opacity: 0; }
}
.whatsapp-fab:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 18px 40px -8px rgba(37, 211, 102, 0.7);
}

/* ================================ LIGHTBOX ============================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: grid;
  place-items: center;
  padding: clamp(1rem, 5vw, 4rem);
  background: rgba(7, 7, 11, 0.6);
  backdrop-filter: blur(0px);
  opacity: 0;
  transition: opacity 0.35s var(--ease-out), backdrop-filter 0.35s;
}
.lightbox.is-open { opacity: 1; backdrop-filter: blur(14px); }
.lightbox__art {
  position: relative;
  width: min(92vw, 900px);
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: linear-gradient(150deg, var(--c), #0a0a14 80%);
  transform: scale(0.92);
  transition: transform 0.4s var(--ease-out);
  box-shadow: var(--shadow-card);
}
.lightbox.is-open .lightbox__art { transform: scale(1); }
.lightbox__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 25%, rgba(255, 255, 255, 0.2), transparent 55%);
  mix-blend-mode: overlay;
}
.lightbox__art figcaption {
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  z-index: 2;
  padding: 2rem;
  background: linear-gradient(to top, rgba(7, 7, 11, 0.85), transparent);
  width: 100%;
}
.lightbox__art figcaption span { color: var(--cyan); font-weight: 600; font-size: var(--text-sm); }
.lightbox__art figcaption h3 { font-size: var(--text-2xl); font-weight: 900; }
.lightbox__close {
  position: fixed;
  top: 1.4rem;
  inset-inline-end: 1.6rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--border-strong);
  transition: transform 0.3s, background 0.3s;
}
.lightbox__close:hover { transform: rotate(90deg); background: var(--glass-strong); }

/* ================================= FOOTER =============================== */
.footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-6);
  background: var(--bg-2);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 0.8rem; color: var(--text-muted); }
.footer__social { display: flex; gap: 0.6rem; }
.footer__social a {
  display: grid;
  place-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: transform 0.3s var(--ease-out), color 0.3s, border-color 0.3s,
    background 0.3s;
}
.footer__social a:hover {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--glass-strong);
  transform: translateY(-3px);
}
.footer__copy { color: var(--text-dim); font-size: var(--text-sm); }