/* ============================================================
   Serpinity: Kamil Siegień, SEO & AI Automation Consultant
   ============================================================ */

/* ---------- Design tokens ---------- */
:root{
  --color-bg: #08090a;
  --color-bg-soft: #0c0d0f;
  --color-surface: #131417;
  --color-surface-hover: #191b1f;
  --color-border: rgba(255,255,255,0.09);
  --color-border-strong: rgba(255,255,255,0.18);
  --color-text-primary: #f5f5f2;
  --color-text-secondary: #a8a8ad;
  --color-text-muted: #6b6c72;
  --color-text-inverse: #0a0a0b;

  --color-accent: #cdfb52;
  --color-accent-soft: rgba(205,251,82,0.12);
  --color-accent-ring: rgba(205,251,82,0.35);
  --color-accent-2: #9b8cff;
  --color-accent-2-soft: rgba(155,140,255,0.12);

  --font-display: "Bricolage Grotesque", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
  --dur-fast: 180ms;
  --dur-medium: 420ms;
  --dur-slow: 900ms;

  --nav-h: 84px;
}

body.theme-ai{
  --color-accent: #9b8cff;
  --color-accent-soft: rgba(155,140,255,0.12);
  --color-accent-ring: rgba(155,140,255,0.35);
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; min-width: 0; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol{ margin: 0; }
ul[class], ol[class]{ list-style: none; padding: 0; }
img, picture, svg{ display: block; max-width: 100%; }
input, button, textarea, select{ font: inherit; color: inherit; }
button{ background: none; border: none; cursor: pointer; }
a{ color: inherit; text-decoration: none; }

body{
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection{ background: var(--color-accent); color: var(--color-text-inverse); }

/* ---------- Layout helpers ---------- */
.container{
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section{ padding-block: clamp(4.5rem, 9vw, 8.5rem); position: relative; }
.section-tight{ padding-block: clamp(3rem, 6vw, 5rem); }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.1em;
}
.eyebrow::before{
  content: "";
  width: 0.5em; height: 0.5em;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--color-text-primary);
  overflow-wrap: break-word;
}
h1{ font-size: clamp(2.1rem, 6vw, 4.7rem); }
h2{ font-size: clamp(1.8rem, 4.2vw, 3.1rem); }
h3{ font-size: clamp(1.3rem, 2vw, 1.6rem); }
p{ overflow-wrap: break-word; }
h1 br.soft-break{ display: none; }
@media (min-width: 640px){
  h1 br.soft-break{ display: inline; }
}

.lede{
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 46ch;
  line-height: 1.6;
}
.lede-lg{ max-width: 56ch; font-size: clamp(1.1rem, 1.8vw, 1.4rem); }

.text-muted{ color: var(--color-text-muted); }
.mono{ font-family: var(--font-mono); }

/* ---------- Buttons ---------- */
.btn{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95em 1.7em;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  isolation: isolate;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.btn:active{ transform: scale(0.97); }

.btn-primary{
  background: var(--color-accent);
  color: var(--color-text-inverse);
}
.btn-primary::after{
  content: "";
  position: absolute; inset: 0;
  background: var(--color-text-primary);
  transform: translateY(101%);
  transition: transform var(--dur-medium) var(--ease-out);
  z-index: -1;
}
.btn-primary:hover::after{ transform: translateY(0); }
.btn-primary:hover{ box-shadow: 0 0 0 6px var(--color-accent-soft); }

.btn-ghost{
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
  background: transparent;
}
.btn-ghost:hover{ border-color: var(--color-accent); color: var(--color-accent); box-shadow: 0 0 0 6px var(--color-accent-soft); }

.btn-sm{ padding: 0.7em 1.3em; font-size: 0.85rem; }

.link-arrow{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 0.15em;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.link-arrow svg{ transition: transform var(--dur-medium) var(--ease-out); width: 16px; height: 16px; }
.link-arrow:hover{ color: var(--color-accent); border-color: var(--color-accent); }
.link-arrow:hover svg{ transform: translateX(5px); }

/* ---------- Scroll progress bar ---------- */
.scroll-progress{
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--color-accent);
  z-index: 999;
  transition: width 80ms linear;
}

/* ---------- Nav ---------- */
.nav{
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--nav-h);
  display: flex; align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-medium) var(--ease-out), border-color var(--dur-medium) var(--ease-out), backdrop-filter var(--dur-medium) var(--ease-out);
}
.nav.is-scrolled{
  background: rgba(8,9,10,0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--color-border);
}
.nav-inner{
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
}
.brand{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.brand-mark{
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}
.nav-links{
  display: flex; align-items: center; gap: 2.1rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.nav-links a{
  position: relative;
  padding-block: 0.3em;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-links a::after{
  content: "";
  position: absolute; left: 50%; right: 50%; bottom: -2px; height: 1px;
  background: var(--color-accent);
  transition: left var(--dur-medium) var(--ease-out), right var(--dur-medium) var(--ease-out);
}
.nav-links a:hover, .nav-links a.is-active{ color: var(--color-text-primary); }
.nav-links a:hover::after, .nav-links a.is-active::after{ left: 0; right: 0; }

.nav-cta{ display: flex; align-items: center; gap: 1.4rem; }
.nav-toggle{
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content: ""; display: block;
  width: 18px; height: 1.5px; background: var(--color-text-primary);
  position: relative;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }
.nav-toggle.is-open span{ background: transparent; }
.nav-toggle.is-open span::before{ top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after{ top: 0; transform: rotate(-45deg); }

.mobile-menu{
  position: fixed; inset: var(--nav-h) 0 0 0;
  background: var(--color-bg);
  z-index: 480;
  display: flex; flex-direction: column;
  justify-content: center;
  gap: 1.6rem;
  padding: 2rem var(--gutter);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-medium) var(--ease-out), transform var(--dur-medium) var(--ease-out);
}
.mobile-menu.is-open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu a{ font-family: var(--font-display); font-size: 2rem; font-weight: 600; }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: calc(var(--nav-h) + 2rem);
  overflow: hidden;
}
.hero::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: min(320px, 40%);
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
  z-index: 1;
}
.hero-spotlight{
  position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--x, 50%) var(--y, 30%), var(--color-accent-soft), transparent 60%);
  pointer-events: none;
  opacity: 0.9;
  z-index: 0;
}
.hero-grid{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 40%, transparent 90%);
  z-index: 0;
}
.hero-content{ position: relative; z-index: 2; max-width: 880px; min-width: 0; }
.hero h1{ margin-bottom: 0.5em; }
.hero-cta-row{ display: flex; align-items: center; gap: 1.4rem; margin-top: 2.4rem; flex-wrap: wrap; }

.float-words{
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  will-change: transform;
}
.float-word{
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  opacity: var(--base-opacity, 0.5);
  white-space: nowrap;
  will-change: transform, opacity;
  animation: floatDrift var(--drift-dur, 7s) ease-in-out infinite;
  animation-delay: var(--drift-delay, 0s);
}
@keyframes floatDrift{
  0%, 100%{ transform: translate(0, 0); opacity: var(--base-opacity, 0.5); }
  50%{ transform: translate(var(--drift-x, 6px), var(--drift-y, -14px)); opacity: calc(var(--base-opacity, 0.5) + 0.18); }
}
@media (prefers-reduced-motion: reduce){
  .float-word{ animation: none; }
}

/* ---------- Logos strip ---------- */
.logos-label{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2.2rem;
}
.logos-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.logos-grid > div{
  background: var(--color-bg-soft);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  height: clamp(90px, 12vw, 130px);
}
.logos-grid img{
  max-height: 34px;
  max-width: 100%;
  width: auto;
  filter: grayscale(1) invert(1);
  opacity: 0.4;
  transition: opacity var(--dur-medium) var(--ease-out), transform var(--dur-medium) var(--ease-out);
}
.logos-grid img.logo-color{
  filter: none;
  opacity: 0.6;
}
.logos-grid > div:hover img{
  opacity: 1;
  transform: scale(1.06);
}

/* ---------- Stats ---------- */
.stats-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  margin-top: 3.5rem;
}
.stat-num{
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: baseline;
  gap: 0.1em;
}
.stat-num .accent{ color: var(--color-accent); }
.stat-label{ color: var(--color-text-muted); font-size: 0.92rem; margin-top: 0.5em; max-width: 20ch; }

/* ---------- Reveal ---------- */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
.reveal-stagger > *{ transition-delay: calc(var(--i, 0) * 90ms); }

/* ---------- Cards ---------- */
.card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  transition: transform var(--dur-medium) var(--ease-out), border-color var(--dur-medium) var(--ease-out), background var(--dur-medium) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.card::before{
  content: "";
  position: absolute; inset: -1px;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), var(--color-accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-medium) var(--ease-out);
  pointer-events: none;
}
.card:hover{ transform: translateY(-6px); border-color: var(--color-border-strong); background: var(--color-surface-hover); }
.card:hover::before{ opacity: 1; }

.card-index{
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-bottom: 1.4em;
  display: block;
}

.service-card{ display: flex; flex-direction: column; height: 100%; }
.service-card h3{ margin-bottom: 0.6em; }
.service-card p{ color: var(--color-text-secondary); margin-bottom: 1.6em; flex-grow: 1; }

.cards-grid-2{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.cards-grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* ---------- About / bio ---------- */
.about-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.about-photo{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1/1.05;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.about-photo img{
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.55) contrast(1.05);
  transition: filter var(--dur-slow) var(--ease-out);
}
.about-photo:hover img{ filter: grayscale(0) contrast(1.05); }
.about-text h2{ margin-bottom: 0.6em; }
.about-text p{ color: var(--color-text-secondary); margin-bottom: 1.2em; }
.about-text p:last-of-type{ margin-bottom: 1.8em; }

/* ---------- Timeline ---------- */
.timeline{ margin-top: 1rem; border-top: 1px solid var(--color-border); }
.timeline-item{
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 2rem;
  padding-block: 1.9rem;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.timeline-year{ font-family: var(--font-mono); color: var(--color-accent); font-size: 0.95rem; }
.timeline-role{ font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 0.25em; }
.timeline-desc{ color: var(--color-text-secondary); max-width: 60ch; }

/* ---------- Process steps ---------- */
.process-list{ display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; margin-top: 2rem; }
.process-step{
  background: var(--color-bg-soft);
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.8rem;
  padding: clamp(1.6rem, 3vw, 2.2rem);
  transition: background var(--dur-medium) var(--ease-out);
}
.process-step:hover{ background: var(--color-surface); }
.process-num{ font-family: var(--font-mono); font-size: 1.1rem; color: var(--color-accent); }
.process-step h4{ margin-bottom: 0.4em; font-size: 1.15rem; }
.process-step p{ color: var(--color-text-secondary); max-width: 62ch; }

/* ---------- Who it's for callout ---------- */
.callout{
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(160deg, var(--color-surface), var(--color-bg-soft));
  margin-top: 2rem;
}
.callout h3{ margin-bottom: 0.7em; }
.callout p{ color: var(--color-text-secondary); max-width: 68ch; }
.callout .price-tag{ font-family: var(--font-mono); color: var(--color-accent); font-weight: 600; }

/* ---------- Final CTA band ---------- */
.cta-band{
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  padding-block: clamp(4rem, 8vw, 6.5rem);
}
.cta-band h2{ max-width: 20ch; margin-inline: auto; margin-bottom: 0.5em; }
.cta-band .lede{ margin-inline: auto; text-align: center; }
.cta-band .hero-cta-row{ justify-content: center; margin-top: 2.2rem; }

/* ---------- Footer ---------- */
.footer{ padding-block: 4rem 2.5rem; border-top: 1px solid var(--color-border); }
.footer-top{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer-brand p{ color: var(--color-text-muted); margin-top: 0.8em; max-width: 32ch; }
.footer-col h5{ font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: 1.1em; }
.footer-col a{ display: block; color: var(--color-text-secondary); padding-block: 0.4em; transition: color var(--dur-fast) var(--ease-out); }
.footer-col a:hover{ color: var(--color-accent); }
.footer-bottom{
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 2rem; border-top: 1px solid var(--color-border);
  color: var(--color-text-muted); font-size: 0.85rem;
  flex-wrap: wrap; gap: 1rem;
}
.back-to-top{ display: inline-flex; align-items: center; gap: 0.5em; color: var(--color-text-muted); transition: color var(--dur-fast) var(--ease-out); }
.back-to-top:hover{ color: var(--color-accent); }

/* ---------- Forms ---------- */
.form-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.field{ display: flex; flex-direction: column; gap: 0.6em; margin-bottom: 1.3rem; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-text-muted); }
.field input, .field select, .field textarea{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.9em 1em;
  color: var(--color-text-primary);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field textarea{ resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 4px var(--color-accent-soft);
}
.field select{ appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a8a8ad' stroke-width='1.5' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1em center; }
.form-note{ color: var(--color-text-muted); font-size: 0.88rem; margin-top: 1rem; }
.form-note a{ color: var(--color-accent); border-bottom: 1px solid transparent; }
.form-note a:hover{ border-color: var(--color-accent); }
.form-note.is-success{ color: var(--color-accent); }
.form-note.is-error{ color: #ff8a7a; }
.btn:disabled{ opacity: 0.7; cursor: default; }

.contact-grid{ display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(2.5rem, 6vw, 5rem); }
.contact-direct{ display: flex; flex-direction: column; gap: 1.6rem; }
.contact-direct-item{ border-top: 1px solid var(--color-border); padding-top: 1.4rem; }
.contact-direct-item h5{ font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 0.6em; }
.contact-direct-item a{ font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; transition: color var(--dur-fast) var(--ease-out); }
.contact-direct-item a:hover{ color: var(--color-accent); }

.faq-item{ border-top: 1px solid var(--color-border); padding-block: 1.6rem; }
.faq-item:last-child{ border-bottom: 1px solid var(--color-border); }
.faq-item h4{ font-size: 1.05rem; margin-bottom: 0.5em; }
.faq-item p{ color: var(--color-text-secondary); }

/* ---------- Page hero (secondary pages) ---------- */
.page-hero{ padding-top: calc(var(--nav-h) + 5rem); padding-bottom: 3rem; position: relative; overflow: hidden; }
.page-hero::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 160px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
  z-index: 1;
}
.page-hero .hero-content{ max-width: 760px; }

/* ---------- Utilities ---------- */
.mt-0{ margin-top: 0 !important; }
.center{ text-align: center; }
.section-head{ max-width: 640px; margin-bottom: 3rem; }
.section-head.center{ margin-inline: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .nav-links{ display: none; }
  .nav-toggle{ display: inline-flex; }
  .nav-cta .btn{ display: none; }
  .about-grid{ grid-template-columns: 1fr; }
  .about-photo{ max-width: 340px; }
  .cards-grid-2, .cards-grid-3{ grid-template-columns: 1fr; }
  .stats-grid{ grid-template-columns: repeat(2, 1fr); row-gap: 2.2rem; }
  .logos-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-top{ grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid{ grid-template-columns: 1fr; }
  .form-grid{ grid-template-columns: 1fr; }
  .process-step{ grid-template-columns: 1fr; gap: 0.5rem; }
  .timeline-item{ grid-template-columns: 1fr; gap: 0.4rem; }
}
@media (max-width: 560px){
  .logos-grid{ grid-template-columns: repeat(2, 1fr); }
  .hero-cta-row{ flex-direction: column; align-items: stretch; }
  .hero-cta-row .btn{ width: 100%; }
}