/* ==========================================================================
   ART SPACIO — Propuesta C: Cristino Creativo — Magazine Asimétrica
   ========================================================================== */

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  --bg-light:   #f4f5fa;
  --bg-white:   #ffffff;
  --bg-dark:    #0d0f14;
  --bg-dark-2:  #161922;

  --text-main:  #3a3d4a;
  --text-title: #0d0f14;
  --text-muted: #6b7180;
  --text-light: #9aa0b0;
  --text-white: #ffffff;

  --accent:        #2f55d4;
  --accent-hover:  #2344b0;
  --accent-light:  rgba(47,85,212,.08);
  --accent-glow:   rgba(47,85,212,.2);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --font-display: 'Outfit','Montserrat',sans-serif;
  --font-body:    'Inter',sans-serif;
  --transition:   all .4s cubic-bezier(.16,1,.3,1);
}

/* ── Reset ─────────────────────────────────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box;outline:none}
html{scroll-behavior:smooth;scroll-padding-top:0}
body{font-family:var(--font-body);background:var(--bg-light);color:var(--text-main);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
li{list-style:none}

/* ── Layout Container ───────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ── Utilities ──────────────────────────────────────────────────────────── */
.section-subtitle {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: 10px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem,4vw,3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-title);
  margin-bottom: 16px;
  letter-spacing: -.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

.text-highlight { color: var(--accent) }

/* Scroll reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
}
.scroll-reveal.active { opacity: 1; transform: translateY(0) }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 6px 28px var(--accent-glow);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 10px 36px var(--accent-glow) }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff }

.btn-outline-dark {
  background: transparent;
  color: var(--text-title);
  border-color: rgba(0,0,0,.15);
}
.btn-outline-dark:hover { border-color: var(--accent); color: var(--accent) }

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  border-color: #25d366;
  box-shadow: 0 6px 24px rgba(37,211,102,.25);
}
.btn-whatsapp:hover { background: #1fbe5b; transform: translateY(-3px) }

.w-100 { width: 100% }

/* ── Header (transparent over hero) ────────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 500;
  transition: var(--transition);
}

.header.scrolled {
  background: var(--bg-dark);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
  height: 60px;
}

.logo-img { height: 36px; width: auto; filter: brightness(0) invert(1) }
.header.scrolled .logo-img { filter: brightness(0) invert(1) }
.logo-img-light,
.header.scrolled .logo-img-light { filter: none }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.8);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width .3s ease;
}

.nav-link:hover, .nav-link.active { color: #fff }
.nav-link:hover::after, .nav-link.active::after { width: 100% }

.header-actions { display: flex; align-items: center; gap: 16px }
.header-cta { padding: 9px 20px; font-size: .78rem }

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

.hamburger span {
  width: 26px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg) }
.hamburger.active span:nth-child(2) { opacity: 0 }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg) }

/* ── HERO — Split Screen ────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100vh;
  min-height: 600px;
}

/* Left panel — dark blue with text */
.hero-panel-left {
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 64px 80px;
  position: relative;
  overflow: hidden;
}

/* Decorative gradient blob */
.hero-panel-left::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,85,212,.35) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  pointer-events: none;
}

.hero-panel-left::after {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,85,212,.2) 0%, transparent 70%);
  bottom: 60px;
  right: -60px;
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: 24px;
  position: relative;
}

.hero-eyebrow::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem,5vw,4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--text-white);
  margin-bottom: 14px;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem,2vw,1.4rem);
  font-weight: 400;
  color: rgba(255,255,255,.5);
  margin-bottom: 32px;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.65);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 44px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.hero-social {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 32px;
}

.hero-social-label {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.3);
  margin-right: 4px;
}

.hero-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  transition: var(--transition);
}

.hero-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

/* Right panel — Karla's photo */
.hero-panel-right {
  position: relative;
  overflow: hidden;
}

.hero-panel-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 8s ease;
}

.hero-panel-right:hover img { transform: scale(1.03) }

/* Subtle overlay on photo */
.hero-panel-right::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(13,15,20,.2) 0%, transparent 40%);
  pointer-events: none;
}

/* Floating stat cards */
.hero-float-card {
  position: absolute;
  bottom: 40px;
  right: 32px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-float-card .card-icon {
  width: 42px; height: 42px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}

.hero-float-card .card-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1;
  margin-bottom: 2px;
}

.hero-float-card .card-label {
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ── Services — Horizontal Row ──────────────────────────────────────────── */
.services {
  padding: 100px 0;
  background: var(--bg-white);
}

.section-header-left { margin-bottom: 56px }

.services-row {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 0;
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-pillar {
  padding: 44px 28px;
  border-right: 1px solid rgba(0,0,0,.07);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  background: var(--bg-white);
}

.service-pillar:last-child { border-right: none }

.service-pillar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .4s cubic-bezier(.16,1,.3,1);
  z-index: 0;
}

.service-pillar:hover::before { transform: scaleY(1) }
.service-pillar:hover { color: #fff }
.service-pillar:hover .s-pillar-icon { background: rgba(255,255,255,.2); color: #fff }
.service-pillar:hover .s-pillar-title, .service-pillar:hover .s-pillar-list li { color: #fff }
.service-pillar:hover .s-pillar-list li::before { color: rgba(255,255,255,.6) }

.s-pillar-icon {
  width: 50px; height: 50px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.s-pillar-title {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.3;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.s-pillar-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.s-pillar-list li {
  font-size: .78rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
  transition: var(--transition);
}

.s-pillar-list li::before { content:"›"; position: absolute; left:0; color: var(--accent); font-weight: 700; transition: var(--transition) }

/* ── Portfolio — Gallery ─────────────────────────────────────────────────── */
.portfolio {
  padding: 100px 0;
  background: var(--bg-light);
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(0,0,0,.12);
  padding: 8px 20px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}

.filter-btn:hover { border-color: var(--accent); color: var(--accent) }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff }

.portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}

.portfolio-item { transition: transform .5s cubic-bezier(.16,1,.3,1), opacity .5s cubic-bezier(.16,1,.3,1) }
.portfolio-item.hidden { display: none !important }

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 5s ease;
}

.gallery-card:hover img { transform: scale(1.08) }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(47,85,212,.9) 0%, rgba(47,85,212,.4) 50%, transparent 100%);
  opacity: 0;
  transition: opacity .4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.gallery-card:hover .gallery-overlay { opacity: 1 }

.gallery-cat {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.8);
  margin-bottom: 6px;
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.gallery-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  transition: var(--transition);
}

.gallery-card:hover .gallery-icon { background: #fff; color: var(--accent) }

/* ── About — Split with Accent Line ─────────────────────────────────────── */
.about {
  padding: 100px 0;
  background: var(--bg-white);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.1);
}

.about-img-frame img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.about-accent-line {
  position: absolute;
  top: 40px;
  left: -16px;
  width: 4px;
  height: 60%;
  background: var(--accent);
  border-radius: 2px;
}

.about-exp-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 16px 40px var(--accent-glow);
}

.about-exp-badge .exp-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.about-exp-badge .exp-label {
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  opacity: .85;
  line-height: 1.2;
}

.about-values {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.value-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,.06);
  background: var(--bg-light);
  transition: var(--transition);
}

.value-row:hover {
  border-color: var(--accent);
  background: var(--bg-white);
  box-shadow: 0 8px 30px rgba(47,85,212,.07);
}

.value-row-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.value-row h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 800; color: var(--text-title); margin-bottom: 4px }
.value-row p { font-size: .88rem; color: var(--text-muted) }

.about-desc { font-size: 1rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px }

/* ── Process — Horizontal Timeline ─────────────────────────────────────── */
.process {
  padding: 100px 0;
  background: var(--bg-light);
}

.timeline-horizontal {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0;
  position: relative;
  margin-top: 60px;
  margin-bottom: 60px;
}

/* Horizontal connecting line */
.timeline-horizontal::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 10%;
  width: 80%;
  height: 2px;
  background: linear-gradient(to right, var(--accent), rgba(47,85,212,.2));
  z-index: 0;
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.timeline-num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px var(--accent-glow);
  transition: var(--transition);
  flex-shrink: 0;
}

.timeline-step:hover .timeline-num {
  transform: scale(1.1);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.timeline-step:nth-child(even) .timeline-num { background: var(--bg-dark) }

.timeline-icon {
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 10px;
}

.timeline-text { font-size: .88rem; color: var(--text-muted); line-height: 1.6 }

/* Process CTA */
.process-cta {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 20px 60px rgba(0,0,0,.04);
}

.process-cta-text h4 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 800; color: var(--text-title); margin-bottom: 4px }
.process-cta-text p { color: var(--text-muted); font-size: .95rem }

/* ── Testimonials ───────────────────────────────────────────────────────── */
.testimonials {
  padding: 100px 0;
  background: var(--bg-white);
}

.testimonials-slider { max-width: 760px; margin: 40px auto 0 }

.slider-wrapper { position: relative; min-height: 160px; padding: 40px; background: var(--bg-light); border-radius: var(--radius-lg) }

.testimonial-slide {
  position: absolute;
  inset: 40px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition: all .5s cubic-bezier(.16,1,.3,1);
}
.testimonial-slide.active { opacity: 1; visibility: visible; transform: translateX(0); position: relative; inset: auto }

.testimonial-quote {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-main);
  line-height: 1.75;
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
}

.testimonial-author h4 { font-family: var(--font-display); font-size: .95rem; font-weight: 800; color: var(--text-title) }
.testimonial-author p { font-size: .82rem; color: var(--accent); font-weight: 600 }

.slider-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 28px }

.slider-control-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,.1);
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.slider-control-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff }

.slider-dots { display: flex; gap: 8px }
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(0,0,0,.15);
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active { background: var(--accent); width: 22px; border-radius: 4px }

/* ── Contact — Dark Full Width ──────────────────────────────────────────── */
.contact {
  padding: 0;
}

.contact-dark-panel {
  background: var(--bg-dark);
  padding: 100px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem,3.5vw,2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
}

.contact-info p {
  font-size: 1rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px }

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item-label { font-size: .75rem; color: rgba(255,255,255,.35); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px }
.contact-item-value { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: rgba(255,255,255,.9) }

.contact-socials-dark { display: flex; gap: 12px }

.contact-socials-dark a {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}
.contact-socials-dark a:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-3px) }

/* Contact form */
.contact-form-dark {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 44px;
}

.form-title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; color: #fff; margin-bottom: 24px }

.contact-form { display: flex; flex-direction: column; gap: 18px }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px }
.form-group { display: flex; flex-direction: column; gap: 6px }

.form-group label {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: rgba(255,255,255,.45);
}

.form-group input, .form-group textarea {
  border: 1px solid rgba(255,255,255,.08);
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9rem;
  color: #fff;
  background: rgba(255,255,255,.06);
  transition: var(--transition);
}

.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,.2) }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); background: rgba(47,85,212,.08); outline: none }

.form-feedback { margin-top: 8px; font-size: .85rem; font-weight: 700; text-align: center }
.form-feedback.success { color: #25d366 }
.form-feedback.error   { color: #ff6b6b }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  background: var(--bg-dark-2, #0a0c11);
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,.05);
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.footer-logo-img {
  display: block;
  width: 142px;
  max-width: 42vw;
  height: auto;
}

.copyright, .designer-credit { font-size: .82rem; color: rgba(255,255,255,.35) }

/* ── Version Switcher ────────────────────────────────────────────────────── */
.version-switcher {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(13,15,20,.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.1);
  padding: 8px 12px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
}

.switcher-title {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 800;
  color: rgba(255,255,255,.5);
  margin-right: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.switcher-btn {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  color: rgba(255,255,255,.45);
  background: transparent;
  border: none;
  transition: var(--transition);
  cursor: pointer;
}

.switcher-btn:hover { color: #fff }
.switcher-btn.active { background: var(--accent); color: #fff; padding: 6px 16px }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .services-row { grid-template-columns: repeat(3,1fr) }
  .service-pillar:nth-child(4), .service-pillar:nth-child(5) { border-top: 1px solid rgba(0,0,0,.07) }
  .service-pillar:nth-child(3) { border-right: none }
  .portfolio-gallery { grid-template-columns: repeat(2,1fr) }
  .timeline-horizontal { grid-template-columns: repeat(2,1fr); gap: 40px }
  .timeline-horizontal::before { display: none }
}

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; height: auto }
  .hero-panel-left { padding: 120px 32px 60px; min-height: 100vh }
  .hero-panel-right { height: 50vh }
  .header { padding: 0 24px }
  .nav-menu { display: none }
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0;
    width: 100%;
    background: var(--bg-dark);
    padding: 24px;
    gap: 16px;
  }
  .hamburger { display: flex }
  .services-row { grid-template-columns: 1fr 1fr; border-radius: var(--radius-md) }
  .service-pillar { border-right: none; border-bottom: 1px solid rgba(0,0,0,.07) }
  .about-container { grid-template-columns: 1fr }
  .contact-inner { grid-template-columns: 1fr }
  .portfolio-gallery { grid-template-columns: 1fr }
  .timeline-horizontal { grid-template-columns: 1fr; gap: 36px }
  .form-row { grid-template-columns: 1fr }
  .container { padding: 0 24px }
}

@media (max-width: 480px) {
  .version-switcher { bottom: 12px; right: 12px; left: 12px; justify-content: center }
  .switcher-title { display: none }
  .services-row { grid-template-columns: 1fr }
  .footer-bottom-container { justify-content: center; text-align: center }
}