/* =========================================
   ZEN SOFTWARE SYSTEMS — Global Stylesheet
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;500;600&family=Fraunces:ital,opsz,wght@0,9..144,300;400;500;600;1,9..144,300;400&display=swap');

/* --- Variables --- */
:root {
  --clr-bg:         hsl(45, 20%, 97%);
  --clr-fg:         hsl(215, 28%, 11%);
  --clr-primary:    hsl(151, 28%, 16%);
  --clr-primary-fg: hsl(0, 0%, 100%);
  --clr-card:       hsl(0, 0%, 100%);
  --clr-border:     hsl(214, 32%, 91%);
  --clr-muted:      hsl(210, 20%, 98%);
  --clr-muted-fg:   hsl(215, 16%, 47%);
  --clr-accent:     hsl(40, 29%, 74%);
  --clr-accent-light: hsl(40, 29%, 92%);

  --font-sans:  'DM Sans', sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;

  --radius-sm: 0.375rem;
  --radius:    0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:     0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.08);

  --transition: 250ms ease;

  --max-w: 1200px;
  --nav-h: 64px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-fg);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/* --- Utilities --- */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 3rem);
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* --- Typography --- */
.font-serif { font-family: var(--font-serif); }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans); font-weight: 500; font-size: 0.95rem;
  border-radius: 9999px;
  padding: 0.75rem 1.75rem;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--clr-primary); color: var(--clr-primary-fg);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: hsl(151, 30%, 12%); box-shadow: var(--shadow); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--clr-primary);
  border: 1.5px solid var(--clr-primary);
}
.btn-outline:hover { background: hsl(151, 28%, 16%, .06); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--clr-fg);
}
.btn-ghost:hover { background: hsl(215, 16%, 47%, .08); }
.btn-white {
  background: var(--clr-card); color: var(--clr-primary);
  box-shadow: var(--shadow-lg);
}
.btn-white:hover { background: hsl(0,0%,95%); transform: translateY(-1px); box-shadow: var(--shadow-xl); }
.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }

.btn-icon {
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-icon svg { transition: transform var(--transition); }
.btn-icon:hover svg { transform: translateX(3px); }

/* --- Navbar --- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: hsla(45, 20%, 97%, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}
.navbar__inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.navbar__logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-serif); font-weight: 600; font-size: 1.05rem;
  letter-spacing: -0.02em; color: var(--clr-fg);
  transition: opacity var(--transition);
}
.navbar__logo:hover { opacity: 0.8; }
.navbar__logo-mark {
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--clr-primary); color: var(--clr-primary-fg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 700; flex-shrink: 0;
}
.navbar__nav {
  display: flex; align-items: center; gap: 2rem;
}
.navbar__link {
  font-size: 0.9rem; font-weight: 500;
  color: var(--clr-muted-fg);
  transition: color var(--transition);
  position: relative;
}
.navbar__link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1.5px; background: var(--clr-primary);
  transition: width var(--transition);
}
.navbar__link:hover { color: var(--clr-fg); }
.navbar__link:hover::after,
.navbar__link.active { color: var(--clr-primary); }
.navbar__link.active::after { width: 100%; }

.navbar__mobile-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  color: var(--clr-fg); border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.navbar__mobile-toggle:hover { background: var(--clr-border); }
.navbar__mobile-toggle svg { width: 22px; height: 22px; stroke: currentColor; }

.navbar__mobile-nav {
  display: none;
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  background: var(--clr-card);
  border-bottom: 1px solid var(--clr-border);
  padding: 1.25rem 1.5rem 1.5rem;
  box-shadow: var(--shadow);
}
.navbar__mobile-nav.open { display: block; }
.navbar__mobile-nav a {
  display: block; padding: 0.65rem 0;
  font-weight: 500; font-size: 1.05rem;
  color: var(--clr-muted-fg);
  border-bottom: 1px solid var(--clr-border);
  transition: color var(--transition);
}
.navbar__mobile-nav a:last-of-type { border-bottom: none; }
.navbar__mobile-nav a:hover,
.navbar__mobile-nav a.active { color: var(--clr-primary); }
.navbar__mobile-nav .btn { margin-top: 1rem; width: 100%; }

/* --- Footer --- */
.footer {
  background: var(--clr-fg);
  color: hsl(214, 32%, 91%);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}
.footer__brand { max-width: 340px; }
.footer__logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-serif); font-weight: 600; font-size: 1.1rem;
  color: #fff; margin-bottom: 1rem;
}
.footer__logo-mark {
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--clr-primary-fg); color: var(--clr-fg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 700;
}
.footer__tagline { font-size: 0.9rem; color: hsl(214, 20%, 65%); line-height: 1.7; }
.footer__col-title { font-family: var(--font-serif); font-size: 1.05rem; color: #fff; margin-bottom: 1rem; }
.footer__links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer__links a { font-size: 0.88rem; color: hsl(214, 20%, 65%); transition: color var(--transition); }
.footer__links a:hover { color: #fff; }
.footer__contact-list { display: flex; flex-direction: column; gap: 0.65rem; font-size: 0.88rem; color: hsl(214, 20%, 65%); }
.footer__bottom {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid hsl(215, 16%, 25%);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.82rem; color: hsl(214, 16%, 50%);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  background: var(--clr-card);
  border-bottom: 1px solid var(--clr-border);
  padding-block: clamp(3.5rem, 7vw, 6rem);
  text-align: center;
}
.page-hero__label {
  display: inline-block;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--clr-primary);
  background: hsl(151, 28%, 16%, .08);
  border: 1px solid hsl(151, 28%, 16%, .15);
  border-radius: 9999px; padding: 0.3rem 1rem;
  margin-bottom: 1.5rem;
}
.page-hero__title { max-width: 820px; margin-inline: auto; margin-bottom: 1.25rem; }
.page-hero__subtitle {
  max-width: 620px; margin-inline: auto;
  font-size: 1.1rem; color: var(--clr-muted-fg); line-height: 1.75;
}

/* --- Section utilities --- */
section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.section-title { margin-bottom: 1.25rem; }
.section-subtitle { font-size: 1.05rem; color: var(--clr-muted-fg); line-height: 1.75; max-width: 680px; }

/* --- Cards --- */
.card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow); border-color: hsl(151, 28%, 16%, .2); transform: translateY(-2px); }

/* --- Icon Badge --- */
.icon-badge {
  width: 48px; height: 48px; border-radius: 50%;
  background: hsl(151, 28%, 16%, .1);
  color: var(--clr-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon-badge svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon-badge--lg { width: 64px; height: 64px; border-radius: var(--radius); }
.icon-badge--lg svg { width: 30px; height: 30px; }

/* --- Check list --- */
.check-list { display: flex; flex-direction: column; gap: 0.75rem; }
.check-list li {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.97rem;
}
.check-list .check-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: hsl(151, 28%, 16%, .1);
  color: var(--clr-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.check-list .check-icon svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

/* ==========================================
   HOME PAGE
   ========================================== */

/* Hero */
.hero {
  position: relative;
  padding-block: clamp(4rem, 9vw, 7rem);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -5%; right: -15%;
  width: 70vw; height: 70vw; max-width: 800px; max-height: 800px;
  background: hsl(40, 29%, 74%, .25);
  border-radius: 50%; filter: blur(80px);
  z-index: 0;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  position: relative; z-index: 1;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--clr-primary);
  border: 1px solid hsl(151, 28%, 16%, .2);
  background: hsl(151, 28%, 16%, .06);
  border-radius: 9999px; padding: 0.35rem 1rem;
  margin-bottom: 1.5rem;
}
.hero__heading {
  font-size: clamp(2.4rem, 5vw, 5rem);
  margin-bottom: 1.5rem;
  line-height: 1.05;
}
.hero__heading em { color: var(--clr-primary); font-style: italic; font-weight: 300; }
.hero__body { font-size: 1.1rem; color: var(--clr-muted-fg); line-height: 1.75; max-width: 540px; margin-bottom: 2.25rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.875rem; }
.hero__image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 1 / 1;
  position: relative;
}
.hero__image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero__image-wrap::after {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--radius-xl); border: 1px solid rgba(0,0,0,.05);
  pointer-events: none;
}

/* Value props */
.value-props {
  background: var(--clr-card);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.value-props__header { text-align: center; max-width: 680px; margin-inline: auto; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.value-props__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.value-prop { text-align: center; padding: 1.5rem; }
.value-prop__icon { margin-inline: auto; margin-bottom: 1.25rem; }
.value-prop__title { margin-bottom: 0.75rem; font-size: 1.15rem; }
.value-prop__desc { color: var(--clr-muted-fg); font-size: 0.97rem; line-height: 1.7; }

/* Services highlight */
.services-highlight__header {
  display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap;
  gap: 1.5rem; margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.services-highlight__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card__icon { margin-bottom: 2rem; }
.service-card__title { font-size: 1.4rem; margin-bottom: 0.875rem; }
.service-card__desc { color: var(--clr-muted-fg); line-height: 1.7; font-size: 0.97rem; flex: 1; margin-bottom: 2rem; }
.service-card { display: flex; flex-direction: column; }
.service-card .card { display: flex; flex-direction: column; flex: 1; }
.service-card__link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.88rem; font-weight: 600;
  color: var(--clr-primary);
  transition: gap var(--transition);
}
.service-card__link:hover { gap: 0.65rem; }
.service-card__link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* CTA band */
.cta-band {
  background: var(--clr-primary);
  color: var(--clr-primary-fg);
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,.12), transparent 70%);
}
.cta-band__inner { position: relative; z-index: 1; }
.cta-band__title { color: #fff; margin-bottom: 1.25rem; max-width: 720px; margin-inline: auto; }
.cta-band__subtitle { color: rgba(255,255,255,.75); font-size: 1.05rem; max-width: 560px; margin-inline: auto; margin-bottom: 2.25rem; }

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.about-story__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/5;
}
.about-story__image img { width: 100%; height: 100%; object-fit: cover; }
.about-story__text h2 { margin-bottom: 1.5rem; }
.about-story__text p { color: var(--clr-muted-fg); line-height: 1.8; font-size: 1.05rem; margin-bottom: 1.25rem; }
.about-story__text p:last-child { margin-bottom: 0; }

.values-section {
  background: var(--clr-muted);
  border-radius: var(--radius-xl);
  margin-inline: 1.5rem;
}
.values-section__header { text-align: center; max-width: 600px; margin-inline: auto; margin-bottom: 3.5rem; }
.values-section__subtitle { color: var(--clr-muted-fg); font-size: 1rem; margin-top: 0.75rem; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.value-item__icon { margin-bottom: 1.25rem; border-radius: var(--radius-sm); }
.value-item__title { font-size: 1.15rem; margin-bottom: 0.75rem; }
.value-item__desc { color: var(--clr-muted-fg); font-size: 0.95rem; line-height: 1.75; }

.about-cta {
  text-align: center;
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.about-cta p { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 1.5rem; color: var(--clr-fg); }

/* ==========================================
   SERVICES PAGE
   ========================================== */
.services-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.services-hero-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/9;
}
.services-hero-image img { width: 100%; height: 100%; object-fit: cover; }

.service-detail {
  padding-block: clamp(4rem, 8vw, 7rem);
}
.service-detail + .service-detail { border-top: 1px solid var(--clr-border); }
.service-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.service-detail__grid--reverse .service-detail__content { order: 1; }
.service-detail__grid--reverse .service-detail__visual { order: 2; }

.service-detail__content h2 { margin-bottom: 1rem; }
.service-detail__content p { color: var(--clr-muted-fg); font-size: 1.05rem; line-height: 1.8; margin-bottom: 1.5rem; }
.service-detail__content .check-list { margin-bottom: 2rem; }

/* Decorative service visuals */
.svc-visual {
  background: var(--clr-muted);
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-border);
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  box-shadow: inset 0 2px 8px rgba(0,0,0,.04);
}
.svc-visual--green { background: hsl(151, 28%, 16%, .05); border-color: hsl(151, 28%, 16%, .12); }
.svc-visual--accent { background: hsl(40, 29%, 74%, .18); border-color: hsl(40, 29%, 74%, .35); }

/* App mockup */
.mockup-app { width: 100%; max-width: 280px; display: flex; flex-direction: column; gap: 0.75rem; }
.mockup-bar { height: 32px; background: var(--clr-card); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); width: 40%; }
.mockup-row { display: flex; gap: 0.75rem; }
.mockup-sidebar { width: 30%; height: 120px; background: var(--clr-card); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.mockup-content { flex: 1; height: 120px; background: var(--clr-card); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); padding: 0.75rem; display: flex; flex-direction: column; gap: 0.5rem; }
.mockup-line { height: 10px; background: var(--clr-muted); border-radius: 9999px; }
.mockup-btn-sm { height: 22px; background: hsl(151, 28%, 16%, .2); border-radius: 9999px; width: 40%; margin-top: auto; }
.mockup-full { height: 90px; background: var(--clr-card); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }

/* Website mockup */
.mockup-browser { width: 100%; max-width: 280px; background: var(--clr-card); border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid var(--clr-border); overflow: hidden; }
.mockup-browser__bar { height: 36px; background: var(--clr-muted); border-bottom: 1px solid var(--clr-border); display: flex; align-items: center; padding: 0 0.75rem; gap: 0.4rem; }
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--clr-border); }
.mockup-browser__body { padding: 1.25rem; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; min-height: 140px; }
.mockup-browser__headline { height: 28px; background: var(--clr-muted); border-radius: var(--radius-sm); width: 70%; }
.mockup-browser__sub { height: 14px; background: var(--clr-muted); border-radius: var(--radius-sm); width: 50%; }
.mockup-browser__cta { height: 36px; background: var(--clr-primary); border-radius: 9999px; width: 35%; margin-top: 0.5rem; }

/* Ecommerce mockup */
.mockup-shop { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; width: 100%; max-width: 280px; }
.mockup-product { background: var(--clr-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--clr-border); overflow: hidden; }
.mockup-product__img { height: 80px; background: var(--clr-muted); }
.mockup-product__info { padding: 0.6rem; display: flex; flex-direction: column; gap: 0.35rem; }
.mockup-product__name { height: 10px; background: var(--clr-muted); border-radius: 9999px; width: 75%; }
.mockup-product__price { height: 10px; background: hsl(151, 28%, 16%, .18); border-radius: 9999px; width: 40%; }

/* Services CTA band */
.services-cta {
  background: var(--clr-muted);
  border-top: 1px solid var(--clr-border);
  text-align: center;
}
.services-cta h2 { margin-bottom: 0.875rem; }
.services-cta p { color: var(--clr-muted-fg); max-width: 480px; margin-inline: auto; margin-bottom: 2rem; }

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  max-width: 1000px;
  margin-inline: auto;
}
.contact-info h2 { margin-bottom: 1rem; font-size: 1.4rem; }
.contact-info__intro { color: var(--clr-muted-fg); margin-bottom: 2.5rem; line-height: 1.75; }
.contact-detail-list { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-detail { display: flex; align-items: flex-start; gap: 1rem; }
.contact-detail__icon { width: 40px; height: 40px; border-radius: 50%; background: hsl(151, 28%, 16%, .1); color: var(--clr-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-detail__icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.contact-detail__label { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.25rem; }
.contact-detail__value { font-size: 0.9rem; color: var(--clr-muted-fg); line-height: 1.6; }

/* Contact form card */
.contact-form-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--shadow-sm);
}

/* Form elements */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }
.form-label { font-size: 0.88rem; font-weight: 600; color: var(--clr-fg); }
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-bg);
  color: var(--clr-fg);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--clr-muted-fg); }
.form-input:focus, .form-textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px hsl(151, 28%, 16%, .12);
}
.form-input.error, .form-textarea.error { border-color: hsl(0, 70%, 45%); }
.form-textarea { min-height: 140px; resize: vertical; }
.form-error { font-size: 0.8rem; color: hsl(0, 70%, 45%); margin-top: 0.25rem; display: none; }
.form-error.visible { display: block; }

/* Form success state */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1rem;
  gap: 1rem;
}
.form-success.visible { display: flex; }
.form-success__icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: hsl(151, 28%, 16%, .1);
  color: var(--clr-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.5rem;
}
.form-success__icon svg { width: 32px; height: 32px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.form-success h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.form-success p { color: var(--clr-muted-fg); max-width: 340px; line-height: 1.7; }

/* ==========================================
   ANIMATIONS
   ========================================== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in {
  opacity: 0;
  transition: opacity 0.7s ease;
}
.fade-in.visible { opacity: 1; }

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 900px) {
  .hero__grid,
  .about-story__grid,
  .services-hero-grid,
  .service-detail__grid,
  .service-detail__grid--reverse .service-detail__content,
  .service-detail__grid--reverse .service-detail__visual { order: unset; }

  .hero__grid,
  .about-story__grid,
  .services-hero-grid,
  .service-detail__grid { grid-template-columns: 1fr; }

  .hero__image-wrap { aspect-ratio: 4/3; }
  .about-story__image { aspect-ratio: 4/3; }
  .services-hero-image { aspect-ratio: 16/9; }
  .service-detail__visual { order: -1; }
  .svc-visual { aspect-ratio: 16/9; }

  .value-props__grid,
  .services-highlight__grid,
  .values-grid { grid-template-columns: 1fr 1fr; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .contact-grid { grid-template-columns: 1fr; }

  .services-highlight__header { flex-direction: column; align-items: flex-start; }

  .navbar__nav { display: none; }
  .navbar__mobile-toggle { display: flex; }
}

@media (max-width: 600px) {
  .value-props__grid,
  .services-highlight__grid,
  .values-grid { grid-template-columns: 1fr; }

  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .values-section { margin-inline: 0; border-radius: 0; }
}