/* ==========================================================================
   Cristian Rio — Studio AI · Digital Marketing · Design
   Tema custom one-page WordPress
   ========================================================================== */

/* -------------------------------------------------------------------------- */
/*  Design tokens                                                             */
/* -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --bg-elev: #161616;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.18);
  --fg: #f5f1ea;
  --fg-muted: rgba(245, 241, 234, 0.62);
  --fg-dim: rgba(245, 241, 234, 0.38);
  --accent: #ff5419;
  --accent-soft: rgba(255, 84, 25, 0.12);
  --accent-glow: rgba(255, 84, 25, 0.35);

  /* Typography */
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Sizing */
  --container: 1320px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(5rem, 10vw, 9rem);

  /* Radius */
  --r-sm: 6px;
  --r-md: 14px;
  --r-lg: 24px;
  --r-pill: 999px;

  /* Easing */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* -------------------------------------------------------------------------- */
/*  Base / Reset                                                              */
/* -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Film-grain texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* -------------------------------------------------------------------------- */
/*  Typography                                                                */
/* -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
}

.h-display {
  font-size: clamp(3rem, 9vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
}

.h-section {
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  letter-spacing: -0.035em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
}
.eyebrow::before {
  content: "";
  width: 1.4em;
  height: 1px;
  background: var(--accent);
}

.italic-accent {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  color: var(--accent);
}

/* -------------------------------------------------------------------------- */
/*  Buttons                                                                   */
/* -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 1em 1.6em;
  border-radius: var(--r-pill);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  transition: all 0.35s var(--ease-out);
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #ff6b3a;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--fg);
}
.btn-ghost:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.btn .arrow {
  display: inline-block;
  transition: transform 0.35s var(--ease-out);
}
.btn:hover .arrow { transform: translateX(4px) rotate(-45deg); }

/* -------------------------------------------------------------------------- */
/*  Header / Navigation                                                       */
/* -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: backdrop-filter 0.4s var(--ease-out), background 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}
.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
  line-height: 1;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: -0.05em;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.brand-text { display: flex; flex-direction: column; line-height: 1; gap: 3px; }
.brand-text small {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0;
  color: var(--fg-muted);
  transition: color 0.3s;
}
.nav-menu a:hover { color: var(--fg); }
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--accent);
  transition: width 0.4s var(--ease-out);
}
.nav-menu a:hover::after { width: 100%; }

.nav-cta {
  padding: 0.7em 1.2em;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1.5px;
  background: var(--fg);
  transform: translateX(-50%);
  transition: all 0.3s;
}
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle.is-open span:nth-child(1) { top: 21px; transform: translateX(-50%) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { top: 21px; transform: translateX(-50%) rotate(-45deg); }

/* -------------------------------------------------------------------------- */
/*  Hero                                                                      */
/* -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(8rem, 16vw, 12rem) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 60vmax;
  height: 60vmax;
  pointer-events: none;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 55%);
  filter: blur(40px);
  z-index: -1;
  animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-5%, 8%) scale(1.1); }
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  flex-wrap: wrap;
}
.hero-meta-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45em 0.9em;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  color: var(--fg-muted);
}
.hero-meta-location {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.18);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
}

.hero-title {
  font-size: clamp(2.8rem, 10vw, 9.5rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  margin-bottom: clamp(2rem, 5vw, 3rem);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
}
.hero-title .line {
  display: block;
  overflow: hidden;
}
.hero-title .line-inner {
  display: inline-block;
  animation: rise 1s var(--ease-out) both;
}
.hero-title .line:nth-child(1) .line-inner { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) .line-inner { animation-delay: 0.25s; }
.hero-title .line:nth-child(3) .line-inner { animation-delay: 0.4s; }
@keyframes rise {
  from { transform: translateY(105%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.hero-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.hero-lede {
  max-width: 38ch;
  color: var(--fg-muted);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------------------- */
/*  Marquee                                                                   */
/* -------------------------------------------------------------------------- */
.marquee {
  border-block: 1px solid var(--line);
  padding: clamp(2rem, 5vw, 3.2rem) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, var(--accent-soft) 0%, transparent 60%),
    var(--bg);
}
.marquee-track {
  display: flex;
  gap: 4rem;
  animation: scroll-x 38s linear infinite;
  width: max-content;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  gap: 4rem;
  white-space: nowrap;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
}
.marquee-item:nth-child(even) {
  color: transparent;
  -webkit-text-stroke: 1px var(--fg);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.marquee-item::after {
  content: "✦";
  font-size: 0.4em;
  color: var(--accent);
  -webkit-text-stroke: 0;
}
@keyframes scroll-x {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* -------------------------------------------------------------------------- */
/*  Sections                                                                  */
/* -------------------------------------------------------------------------- */
.section { padding: var(--section-y) 0; position: relative; }

.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 2rem;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}
.section-head-text { max-width: 26ch; }
.section-head .eyebrow { margin-bottom: 1.5rem; }
.section-head .h-section { letter-spacing: -0.04em; }
.section-counter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

/* -------------------------------------------------------------------------- */
/*  Services                                                                  */
/* -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}
.service-card {
  display: grid;
  grid-template-columns: 80px 1fr 2fr auto;
  gap: 2.5rem;
  align-items: center;
  padding: clamp(2rem, 4vw, 2.8rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding 0.5s var(--ease-out);
  cursor: pointer;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  pointer-events: none;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover { padding-inline: 1.5rem; }
.service-card:hover .service-arrow {
  background: var(--accent);
  color: #fff;
  transform: rotate(-45deg);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
}
.service-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
}
.service-card:hover .service-title { font-style: italic; }
.service-desc {
  color: var(--fg-muted);
  font-size: 0.98rem;
  line-height: 1.55;
  max-width: 52ch;
}
.service-arrow {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  transition: all 0.4s var(--ease-out);
  flex-shrink: 0;
}

/* -------------------------------------------------------------------------- */
/*  CTA strip                                                                 */
/* -------------------------------------------------------------------------- */
.cta-strip {
  padding: var(--section-y) 0;
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
}
.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 3rem;
}
.cta-title {
  font-size: clamp(2.2rem, 6vw, 5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
}
.cta-title em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.cta-strip .btn-primary { font-size: 1rem; padding: 1.15em 1.9em; }

/* -------------------------------------------------------------------------- */
/*  Stats                                                                     */
/* -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.stat {
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.5rem);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: background 0.4s var(--ease-out);
}
.stat:hover { background: var(--bg-soft); }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.85;
  color: var(--fg);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
  display: flex;
  align-items: baseline;
  gap: 0.05em;
}
.stat-num .unit {
  font-size: 0.55em;
  color: var(--accent);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* -------------------------------------------------------------------------- */
/*  Skills / Software                                                         */
/* -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(3rem, 7vw, 6rem);
}
.skill {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.skill-name {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}
.skill-bar {
  grid-column: 1 / -1;
  height: 2px;
  background: var(--line);
  border-radius: var(--r-pill);
  margin-top: 0.6rem;
  overflow: hidden;
  position: relative;
}
.skill-bar-fill {
  height: 100%;
  width: var(--pct);
  background: linear-gradient(90deg, var(--fg) 0%, var(--accent) 100%);
  border-radius: var(--r-pill);
  transition: width 1.6s var(--ease-out);
}
.js .skill-bar-fill { width: 0; }
.js .skill.is-visible .skill-bar-fill { width: var(--pct); }

/* -------------------------------------------------------------------------- */
/*  Testimonials                                                              */
/* -------------------------------------------------------------------------- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.testimonial {
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color 0.3s, transform 0.4s var(--ease-out);
}
.testimonial:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
}
.testimonial-mark {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.4;
  color: var(--accent);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  height: 1.5rem;
}
.testimonial-quote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  font-weight: 400;
  margin: 0;
}
.testimonial-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #b32f00);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  color: #fff;
  font-size: 1.05rem;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  font-size: 0.92rem;
  line-height: 1.3;
}
.testimonial-author strong { font-weight: 600; }
.testimonial-author span { color: var(--fg-muted); font-size: 0.84rem; }

/* -------------------------------------------------------------------------- */
/*  FAQ                                                                       */
/* -------------------------------------------------------------------------- */
.faq {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 800px) { .faq { grid-template-columns: 1fr; } }

.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.7rem 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.7vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--fg);
  transition: color 0.3s;
}
.faq-trigger:hover { color: var(--accent); }
.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all 0.4s var(--ease-out);
  position: relative;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}
.faq-icon::before { width: 11px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 11px; transition: transform 0.4s var(--ease-out); }
.faq-item.is-open .faq-icon { background: var(--accent); color: #fff; border-color: var(--accent); }
.faq-item.is-open .faq-icon::after { transform: scaleY(0); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out);
}
.faq-body-inner {
  padding: 0 0 1.7rem;
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 58ch;
}

/* -------------------------------------------------------------------------- */
/*  Contact / Footer                                                          */
/* -------------------------------------------------------------------------- */
.contact {
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(3rem, 5vw, 5rem);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.contact-eyebrow { margin-bottom: 2rem; justify-content: center; display: inline-flex; }
.contact-title {
  font-size: clamp(2.8rem, 9vw, 8rem);
  letter-spacing: -0.05em;
  line-height: 0.9;
  margin-bottom: 0.4em;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
}
.contact-title em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.contact-mail {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-top: 1.5rem;
  position: relative;
  transition: color 0.3s;
}
.contact-mail::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.contact-mail:hover { color: var(--accent); }
.contact-mail:hover::after { transform: scaleX(0); transform-origin: right; }

.contact-channels {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.contact-channels a { transition: color 0.3s; }
.contact-channels a:hover { color: var(--accent); }

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-back {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.3s;
}
.footer-back:hover { color: var(--fg); }

/* -------------------------------------------------------------------------- */
/*  Reveal on scroll — progressive enhancement                                */
/*  Hidden state only applies when JS is active; otherwise content shows.     */
/* -------------------------------------------------------------------------- */
.reveal {
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.js .reveal {
  opacity: 0;
  transform: translateY(40px);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* -------------------------------------------------------------------------- */
/*  Responsive                                                                */
/* -------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .site-header.is-mobile-open .nav-menu {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-block: 1px solid var(--line);
    padding: 1rem 0;
  }
  .site-header.is-mobile-open .nav-menu li {
    padding: 1rem var(--gutter);
    border-bottom: 1px solid var(--line);
  }
  .site-header.is-mobile-open .nav-menu li:last-child { border-bottom: 0; }
  .hero-foot { grid-template-columns: 1fr; gap: 1.5rem; }
  .service-card {
    grid-template-columns: 50px 1fr auto;
    gap: 1rem 1.5rem;
  }
  .service-desc {
    grid-column: 2 / -1;
    font-size: 0.92rem;
  }
  .stats { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; gap: 0; }
  .testimonials { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero-meta { gap: 1rem; }
  .marquee-track { gap: 2.5rem; }
  .marquee-item { gap: 2.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; text-align: left; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}