/* =====================================================
   Smartlock Scaffolding Ltd — Design System
   ===================================================== */

:root {
  --green:        #22c55e;
  --green-600:    #16a34a;
  --green-700:    #15803d;
  --green-glow:   rgba(34, 197, 94, .35);
  --ink:          #0a0a0a;
  --ink-2:        #111214;
  --ink-3:        #1a1c1f;
  --line:         #25282d;
  --line-2:       #33373d;
  --text:         #e7e9ec;
  --muted:        #9aa1ac;
  --white:        #ffffff;
  --warn:         #f59e0b;

  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:    0 25px 60px rgba(0,0,0,.55);

  --max:          1200px;
  --gap:          clamp(1.5rem, 5vw, 2rem);

  --ff-sans:  'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --ff-disp:  'Barlow Condensed', 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-sans);
  background: var(--ink);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; transition: color .2s; }
a:hover { color: var(--white); }

h1, h2, h3, h4 {
  font-family: var(--ff-disp);
  text-transform: uppercase;
  letter-spacing: .01em;
  line-height: 1.05;
  color: var(--white);
  margin: 0 0 .5em;
  font-weight: 800;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1rem; letter-spacing: .08em; }

p { margin: 0 0 1em; color: var(--muted); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gap); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--green); color: var(--ink); padding: .5rem 1rem; z-index: 999; }

/* ---------- Topbar ---------- */
.topbar {
  background: #000;
  color: var(--muted);
  font-size: .82rem;
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: .55rem;
  padding-bottom: .55rem;
}
.topbar__left { display: flex; gap: 1.4rem; align-items: center; }
.topbar__right { display: flex; gap: 1rem; align-items: center; }
.topbar__left span,
.topbar__right span { display: inline-flex; gap: .45rem; align-items: center; }
.topbar__flags { display: inline-flex; gap: .35rem; align-items: center; }
.topbar__flags .flag {
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.18);
  display: block;
}
.topbar a { color: var(--muted); }
.topbar a:hover { color: var(--green); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,.97);
  border-bottom: none;
}
.header::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: var(--scroll-pct, 0%);
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--green-600));
  box-shadow: 0 0 12px var(--green-glow);
  transition: width .1s linear;
  z-index: 1;
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  gap: 1rem;
  transition: padding .3s ease;
}
.brand { flex-shrink: 0; }
.brand img { height: 92px; width: auto; display: block; transition: height .3s ease; }
.header--scrolled .header__inner { padding-top: .5rem; padding-bottom: .5rem; }
.header--scrolled .brand img { height: 60px; }
.nav {
  display: flex; align-items: center; gap: 1.8rem;
}
.nav-backdrop { display: none; }
.nav a {
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  position: relative;
}
.nav a:not(.btn)::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--green); transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav a:not(.btn):hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--white); }

.nav-toggle {
  display: none; background: transparent; border: 0; cursor: pointer;
  width: 44px; height: 44px; padding: 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--white); margin: 5px 0; transition: .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .9rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .03em;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, background .2s, box-shadow .2s, color .2s, border-color .2s;
  text-transform: uppercase;
  font-family: var(--ff-sans);
}
.btn--sm { padding: .55rem 1rem; font-size: .82rem; }
.btn--primary {
  background: var(--green);
  color: var(--ink);
  box-shadow: 0 8px 20px var(--green-glow);
}
.btn--primary:hover { background: var(--green-600); color: var(--ink); transform: translateY(-2px); }
.btn--ghost {
  background: transparent; color: var(--white); border-color: var(--line-2);
}
.btn--ghost:hover { border-color: var(--green); color: var(--green); }
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: var(--ink-3); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(34,197,94,.18), transparent 60%),
    radial-gradient(700px 400px at 0% 110%, rgba(34,197,94,.12), transparent 60%),
    linear-gradient(180deg, #0a0a0a, #0f1114);
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center;
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--ff-sans);
  font-weight: 700; font-size: .8rem;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--green);
  padding: .4rem .9rem;
  border: 1px solid var(--green); border-radius: 999px;
  background: rgba(34,197,94,.07);
  margin-bottom: 1.4rem;
}
.hero h1 span { color: var(--green); }
.hero__lead {
  color: var(--muted); font-size: 1.15rem; max-width: 56ch; margin: 1rem 0 1.8rem;
}
.hero__lead strong { color: var(--white); font-weight: 600; }
.hero__cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  border-top: 1px solid var(--line); padding-top: 1.6rem;
}
.hero__stats div strong {
  display: block; font-family: var(--ff-disp); font-size: 2rem; color: var(--white);
}
.hero__stats div span { font-size: .82rem; color: var(--muted); }

.hero__visual {
  position: relative; aspect-ratio: 4/5;
  display: grid; place-items: center;
  isolation: isolate;
}
.hero__visual::before,
.hero__visual::after {
  content: ''; position: absolute; border-radius: 50%;
  z-index: -1; pointer-events: none;
}
.hero__visual::before {
  inset: 12%;
  background: radial-gradient(closest-side, rgba(34,197,94,.45), rgba(34,197,94,.05) 60%, transparent 75%);
  filter: blur(20px);
  animation: pulse 6s ease-in-out infinite;
}
.hero__visual::after {
  inset: 30%;
  border: 1.5px dashed rgba(34,197,94,.35);
  animation: spin 30s linear infinite;
}
.hero__logo {
  width: min(62%, 360px);
  height: auto;
  filter:
    drop-shadow(0 0 24px rgba(34,197,94,.55))
    drop-shadow(0 14px 30px rgba(0,0,0,.7));
  animation: float 6s ease-in-out infinite;
  position: relative;
  z-index: 1;
}
.hero__visual-rings {
  position: absolute; inset: 0;
  display: grid; place-items: center; pointer-events: none;
}
.hero__visual-rings span {
  position: absolute; width: 60%; aspect-ratio: 1;
  border: 1px solid rgba(34,197,94,.22);
  border-radius: 50%;
  animation: ringPulse 4s ease-out infinite;
}
.hero__visual-rings span:nth-child(2) { animation-delay: 1.3s; }
.hero__visual-rings span:nth-child(3) { animation-delay: 2.6s; }

@keyframes float {
  0%, 100% { transform: translateY(-6px); }
  50%      { transform: translateY(6px); }
}
@keyframes pulse {
  0%, 100% { opacity: .85; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes ringPulse {
  0%   { transform: scale(.55); opacity: .9; }
  100% { transform: scale(1.45); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__visual::before,
  .hero__visual::after,
  .hero__logo,
  .hero__visual-rings span { animation: none; }
}

/* ---------- Section base ---------- */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section--alt { background: var(--ink-2); }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section__head .eyebrow {
  color: var(--green); font-weight: 700; font-size: .8rem;
  letter-spacing: .2em; text-transform: uppercase; display: block; margin-bottom: .8rem;
}
.section__head p { font-size: 1.05rem; }

/* ---------- Service cards ---------- */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.service-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform .25s, border-color .25s, background .25s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--green); transform: scaleX(0); transform-origin: left;
  transition: transform .3s;
}
.service-card:hover { transform: translateY(-4px); border-color: var(--line-2); background: var(--ink-3); }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(34,197,94,.12); color: var(--green);
  display: grid; place-items: center; margin-bottom: 1.2rem;
  border: 1px solid rgba(34,197,94,.25);
}
.service-card h3 { color: var(--white); margin-bottom: .5rem; }
.service-card p { font-size: .95rem; margin-bottom: 1rem; }
.service-card a { font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: .3rem; }

/* ---------- Why us ---------- */
.why {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}
.why__image {
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  background:
    linear-gradient(180deg, transparent 40%, rgba(0,0,0,.55)),
    url('../images/why-us.webp') center/cover;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.why__list { display: grid; gap: 1.2rem; margin-top: 1.6rem; }
.why__item { display: flex; gap: 1rem; }
.why__item-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px;
  background: var(--green); color: var(--ink);
  display: grid; place-items: center; font-weight: 800;
}
.why__item h4 { color: var(--white); margin: .1rem 0 .3rem; font-family: var(--ff-sans); font-size: 1.05rem; text-transform: none; letter-spacing: 0; }
.why__item p { margin: 0; font-size: .95rem; }

/* ---------- Process / steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem; }
.step {
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; position: relative;
}
.step__num {
  font-family: var(--ff-disp); font-size: 3.5rem; font-weight: 900;
  color: transparent; -webkit-text-stroke: 1.5px var(--green);
  line-height: 1; margin-bottom: .6rem;
}
.step h3 { color: var(--white); font-size: 1.15rem; margin-bottom: .4rem; }
.step p { margin: 0; font-size: .92rem; }

/* ---------- Testimonials ---------- */
.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.4rem; }
.testimonial {
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.8rem;
  position: relative;
}
.testimonial::before {
  content: '"'; position: absolute; top: -10px; left: 18px;
  font-family: var(--ff-disp); font-size: 6rem; color: var(--green); line-height: 1;
}
.testimonial__stars { color: var(--green); margin-bottom: .8rem; letter-spacing: 2px; }
.testimonial blockquote { margin: 0 0 1.2rem; color: var(--text); font-size: .98rem; }
.testimonial cite { display: block; font-style: normal; color: var(--white); font-weight: 600; font-size: .92rem; }
.testimonial cite span { display: block; color: var(--muted); font-weight: 400; font-size: .85rem; margin-top: .15rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(600px 300px at 0% 0%, rgba(34,197,94,.18), transparent 60%),
    linear-gradient(180deg, #0d0f12, #050606);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cta-band__inner {
  display: flex; justify-content: space-between; align-items: center; gap: 2rem;
  padding: 3rem var(--gap); flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: .3rem; }
.cta-band p { margin: 0; color: var(--muted); }
.cta-band__buttons { display: flex; gap: .8rem; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { background: #050606; color: var(--muted); padding-top: 4rem; border-top: 1px solid var(--line); }
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.4rem; padding-bottom: 3rem;
}
.footer__col h4 {
  color: var(--white); font-family: var(--ff-sans);
  text-transform: uppercase; font-size: .85rem;
  letter-spacing: .14em; margin-bottom: 1.2rem; font-weight: 700;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer__col a { color: var(--muted); font-size: .92rem; }
.footer__col a:hover { color: var(--green); }
.footer__logo { height: 80px; width: auto; margin-bottom: 1rem; }
.footer__col p { font-size: .92rem; }
.footer__social { display: flex; gap: .6rem; margin-top: 1rem; }
.footer__social a {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ink-2); border: 1px solid var(--line);
  color: var(--muted);
}
.footer__social a:hover { background: var(--green); color: var(--ink); border-color: var(--green); }
.footer__contact li { font-size: .9rem; }
.footer__contact li strong { color: var(--white); font-weight: 600; }

.footer__accreditations {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding-top: 1.4rem; padding-bottom: 1.4rem; margin-top: 1rem;
}
.footer__accreditations .container {
  display: flex; align-items: center; gap: 1.8rem; flex-wrap: wrap; justify-content: center;
}
.footer__acc-label { color: var(--white); font-weight: 700; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; }
.footer__accreditations ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: .6rem;
}
.footer__accreditations li {
  padding: .5rem 1rem; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: .82rem; font-weight: 700; letter-spacing: .08em;
  color: var(--text); background: var(--ink-2);
}

.footer__bottom { padding-top: 1.4rem; padding-bottom: 1.4rem; font-size: .82rem; }
.footer__bottom-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer__bottom p { margin: 0; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  background:
    radial-gradient(700px 350px at 75% -10%, rgba(34,197,94,.16), transparent 60%),
    linear-gradient(180deg, #0a0a0a, #0f1114);
  border-bottom: 1px solid var(--line);
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}
.page-hero .container { position: relative; }
.page-hero .eyebrow {
  color: var(--green); font-weight: 700; font-size: .8rem;
  letter-spacing: .2em; text-transform: uppercase; display: block; margin-bottom: .8rem;
}
.page-hero p { max-width: 60ch; margin: .8rem auto 0; font-size: 1.05rem; }
.breadcrumb {
  display: inline-flex; gap: .5rem; font-size: .82rem; color: var(--muted);
  margin-top: 1.4rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--green); }

/* ---------- About ---------- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}
.about-grid img, .about-grid .img {
  aspect-ratio: 4/5; border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: var(--shadow); object-fit: cover; width: 100%;
}
.about-grid .img {
  background:
    linear-gradient(180deg, transparent 50%, rgba(0,0,0,.5)),
    url('../images/about.webp') center/cover;
}

.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem; margin-top: 2rem; }
.value {
  background: var(--ink-2); border: 1px solid var(--line);
  padding: 1.6rem; border-radius: var(--radius);
}
.value svg { color: var(--green); margin-bottom: 1rem; }
.value h3 { color: var(--white); font-size: 1.1rem; }
.value p { margin: 0; font-size: .92rem; }

/* ---------- Service detail blocks ---------- */
.service-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
  margin-bottom: 4rem;
}
.service-block:last-child { margin-bottom: 0; }
.service-block:nth-child(even) > .service-block__img { order: -1; }
.service-block__img {
  aspect-ratio: 4/3; border-radius: var(--radius);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  background-size: cover; background-position: center;
}
.service-block h2 { color: var(--white); }
.service-block ul {
  list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: .6rem;
}
.service-block ul li {
  padding-left: 1.8rem; position: relative; color: var(--text);
}
.service-block ul li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 14px; height: 8px;
  border-left: 2px solid var(--green); border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.6rem;
}
.project {
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.project:hover { transform: translateY(-4px); border-color: var(--line-2); }
.project__img {
  aspect-ratio: 16/10; background-size: cover; background-position: center;
  position: relative;
}
.project__tag {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--green); color: var(--ink);
  padding: .3rem .7rem; border-radius: 999px;
  font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.project__body { padding: 1.5rem; }
.project__body h3 { color: var(--white); margin-bottom: .4rem; }
.project__meta { display: flex; gap: 1rem; font-size: .82rem; color: var(--muted); margin-bottom: .8rem; }
.project__body p { font-size: .92rem; margin: 0; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: .8rem;
}
.gallery-item {
  aspect-ratio: 1/1; border-radius: var(--radius-sm); overflow: hidden;
  background-size: cover; background-position: center;
  cursor: zoom-in; position: relative; border: 1px solid var(--line);
  transition: transform .25s;
}
.gallery-item:hover { transform: scale(1.02); }
.gallery-item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.5));
  opacity: 0; transition: opacity .25s;
}
.gallery-item:hover::after { opacity: 1; }

.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.92);
  display: none; place-items: center; z-index: 100; padding: 2rem;
}
.lightbox.is-open { display: grid; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lightbox__close {
  position: absolute; top: 1.2rem; right: 1.2rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ink-2); border: 1px solid var(--line);
  color: var(--white); font-size: 1.4rem; cursor: pointer;
}

/* ---------- Forms ---------- */
.form-grid {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 3rem; align-items: flex-start;
}
.form {
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2.2rem;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__field { margin-bottom: 1.1rem; }
.form__field label {
  display: block; margin-bottom: .4rem;
  font-size: .82rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  color: var(--text);
}
.form__field label .req { color: var(--green); }
.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: .8rem 1rem;
  background: var(--ink);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  color: var(--white); font-family: inherit; font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 0; border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow);
}
.form__field textarea { resize: vertical; min-height: 130px; }
.form button[type="submit"] { width: 100%; justify-content: center; margin-top: .6rem; }
.form__note { font-size: .82rem; color: var(--muted); margin-top: .8rem; text-align: center; }

.alert {
  padding: 1rem 1.2rem; border-radius: var(--radius-sm); margin-bottom: 1.6rem;
  border: 1px solid; font-size: .95rem;
}
.alert--success { background: rgba(34,197,94,.08); border-color: var(--green); color: var(--green); }
.alert--error   { background: rgba(245,158,11,.08); border-color: var(--warn); color: var(--warn); }

.contact-info {
  display: grid; gap: 1.2rem;
}
.contact-info__card {
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem;
  display: flex; gap: 1rem; align-items: flex-start;
}
.contact-info__card svg { color: var(--green); flex-shrink: 0; margin-top: 4px; }
.contact-info__card strong { color: var(--white); display: block; margin-bottom: .2rem; }
.contact-info__card a, .contact-info__card p { margin: 0; color: var(--muted); font-size: .95rem; }

/* ---------- Helpers ---------- */
.hide-sm { }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__inner,
  .why,
  .about-grid,
  .service-block,
  .form-grid { grid-template-columns: 1fr; gap: 2rem; }
  .service-block:nth-child(even) > .service-block__img { order: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .hide-sm { display: none !important; }

  .topbar { display: none; }
  .header {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 50;
  }

  .hero__inner { padding-top: 2.5rem; padding-bottom: 1.5rem; }
  .hero__visual {
    aspect-ratio: 4/3;
    max-width: 380px;
    width: 100%;
    margin: .5rem auto 0;
  }
  .hero__visual::before { inset: 16%; }
  .hero__visual::after  { inset: 24%; }
  .hero__logo { width: min(56%, 240px); }

  .nav-toggle { display: block; position: relative; z-index: 60; flex-shrink: 0; }
  .nav-backdrop {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.55);
    opacity: 0; pointer-events: none;
    transition: opacity .3s ease;
    z-index: 140;
  }
  .nav-backdrop.is-open { opacity: 1; pointer-events: auto; }

  .nav {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(86vw, 360px);
    max-width: 100%;
    background: var(--ink-2); flex-direction: column; align-items: flex-start;
    padding: 5.5rem 1.6rem 2rem; gap: 1.2rem;
    transform: translateX(100%);
    transition: transform .3s ease;
    border-left: 1px solid var(--line);
    box-shadow: -24px 0 60px rgba(0,0,0,.65);
    z-index: 150;
    overflow-y: auto;
  }
  .nav.is-open { transform: translateX(0); }
  .nav a { font-size: 1.05rem; width: 100%; }
  .nav__cta { margin-top: .5rem; width: 100%; justify-content: center; }
}
@media (max-width: 560px) {
  :root { --gap: 1.5rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: .6rem 1rem;
    padding-top: 1.4rem;
    margin-top: .4rem;
  }
  .hero__stats div strong { font-size: 1.4rem; }
  .hero__stats div span { font-size: .72rem; }
  .hero__lead { font-size: 1rem; margin-bottom: 1.4rem; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.6rem); }
  .hero__eyebrow {
    font-size: .68rem;
    padding: .4rem .8rem;
    letter-spacing: .12em;
    line-height: 1.4;
    text-align: left;
  }
  .hero__cta { gap: .6rem; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .hero__visual { aspect-ratio: 1/1; max-width: 280px; }
  .hero__logo { width: min(55%, 200px); }
  .topbar__inner { padding-top: .4rem; padding-bottom: .4rem; }
  .topbar__left { gap: .8rem; font-size: .75rem; }
  .brand img { height: 80px; transition: height .3s ease; }
  .header__inner { padding-top: 1rem; padding-bottom: 1rem; transition: padding .3s ease; }
  .header--scrolled .brand img { height: 50px; }
  .header--scrolled .header__inner { padding-top: .5rem; padding-bottom: .5rem; }
  .section { padding: 3rem 0; }
  .page-hero { padding: 2.2rem 0 1.8rem; }
  h2 { font-size: clamp(1.6rem, 6vw, 2rem); }
  .service-card, .step, .value, .testimonial { padding: 1.4rem; }
}