/* ============================================================
   Iron Bytes — Main Stylesheet
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg:        #07090f;
  --clr-surface:   #0e1320;
  --clr-card:      #131929;
  --clr-border:    #1e2a40;
  --clr-blue:      #3b82f6;
  --clr-blue-lt:   #60a5fa;
  --clr-cyan:      #22d3ee;
  --clr-white:     #f0f4ff;
  --clr-muted:     #7a8bb0;
  --clr-accent:    #8b5cf6;
  --font-sans:     'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --shadow-glow:   0 0 40px rgba(59,130,246,.15);
  --shadow-card:   0 4px 32px rgba(0,0,0,.45);
  --transition:    .25s cubic-bezier(.4,0,.2,1);
  --max-w:         1180px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Utility ---------- */
.container { max-width: var(--max-w); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: 100px; }
.section--alt { background: var(--clr-surface); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-blue-lt);
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.25);
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 20px;
}

.section-heading {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--clr-muted);
  max-width: 560px;
  margin-bottom: 60px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--clr-blue-lt) 0%, var(--clr-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-blue);
  color: #fff;
  box-shadow: 0 0 24px rgba(59,130,246,.4);
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 36px rgba(59,130,246,.6);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border: 1.5px solid var(--clr-border);
}
.btn-outline:hover {
  border-color: var(--clr-blue);
  color: var(--clr-blue-lt);
  transform: translateY(-1px);
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: 18px;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(7,9,15,.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.03em;
}

.nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
  /* invert to white so it reads on the dark nav/footer background */
  filter: brightness(0) invert(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav__links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--transition);
}

.nav__links a:hover { color: var(--clr-white); }

.nav__cta { margin-left: auto; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  width: 24px; height: 2px;
  background: var(--clr-white);
  border-radius: 99px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-block: 140px 100px;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,.2) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139,92,246,.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 0%, transparent 80%);
  opacity: .35;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.3);
  border-radius: 99px;
  padding: 6px 16px 6px 8px;
  margin-bottom: 28px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-blue-lt);
}

.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--clr-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(.85); }
}

.hero__h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 22px;
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--clr-muted);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--clr-border);
}

.hero__stat-num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--clr-white), var(--clr-blue-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: .82rem;
  color: var(--clr-muted);
  margin-top: 2px;
}

/* Hero visual / code card */
.hero__visual {
  position: relative;
}

.code-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.code-card__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
}

.code-card__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.code-card__bar-title {
  font-size: .78rem;
  color: var(--clr-muted);
  margin-left: auto;
  font-family: var(--font-mono);
}

.code-card__body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.8;
}

.c-keyword  { color: #c084fc; }
.c-func     { color: #60a5fa; }
.c-string   { color: #86efac; }
.c-comment  { color: #475569; }
.c-num      { color: #fdba74; }
.c-type     { color: #22d3ee; }

.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-card);
  font-size: .82rem;
  font-weight: 600;
  white-space: nowrap;
}

.floating-badge--tl {
  top: -18px;
  left: -28px;
  animation: float 3.5s ease-in-out infinite;
}

.floating-badge--br {
  bottom: -18px;
  right: -28px;
  animation: float 4s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.fb-icon {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}

/* ---------- Marquee ---------- */
.marquee-section {
  padding-block: 32px;
  border-block: 1px solid var(--clr-border);
  overflow: hidden;
  position: relative;
}

.marquee-section::before,
.marquee-section::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
}
.marquee-section::before { left: 0; background: linear-gradient(90deg, var(--clr-bg), transparent); }
.marquee-section::after  { right: 0; background: linear-gradient(-90deg, var(--clr-bg), transparent); }

.marquee-track {
  display: flex;
  gap: 48px;
  animation: marquee 28s linear infinite;
  width: max-content;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--clr-muted);
  font-size: .88rem;
  font-weight: 500;
  white-space: nowrap;
}

.marquee-item-icon {
  font-size: 1.1rem;
  filter: grayscale(1);
  opacity: .6;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-blue), var(--clr-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card--featured {
  border-color: rgba(59,130,246,.4);
  background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(34,211,238,.04));
}

.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.2);
}

.service-icon--purple { background: rgba(139,92,246,.12); border-color: rgba(139,92,246,.2); }
.service-icon--cyan   { background: rgba(34,211,238,.12); border-color: rgba(34,211,238,.2); }
.service-icon--green  { background: rgba(34,197,94,.12);  border-color: rgba(34,197,94,.2); }
.service-icon--orange { background: rgba(249,115,22,.12); border-color: rgba(249,115,22,.2); }
.service-icon--pink   { background: rgba(236,72,153,.12); border-color: rgba(236,72,153,.2); }

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

.service-card__list {
  list-style: none;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--clr-muted);
}

.service-card__list li::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--clr-blue);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- Process ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 34px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), var(--clr-border), transparent);
}

.process-step {
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.step-num {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--clr-card);
  border: 2px solid var(--clr-border);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--clr-blue-lt);
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.process-step:hover .step-num {
  border-color: var(--clr-blue);
  background: rgba(59,130,246,.12);
  box-shadow: 0 0 20px rgba(59,130,246,.3);
}

.step-icon {
  font-size: 1.5rem;
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: .85rem;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* ---------- Technologies ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
}

.tech-item {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 22px 16px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.tech-item:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(59,130,246,.1);
}

.tech-item__icon { font-size: 1.8rem; }
.tech-item__name { font-size: .8rem; font-weight: 600; color: var(--clr-muted); }

/* ---------- Why Us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-feature {
  display: flex;
  gap: 18px;
}

.why-feature__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.why-feature h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.why-feature p {
  font-size: .88rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

.why-visual {
  position: relative;
}

.metrics-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.metrics-card h4 {
  font-size: .88rem;
  color: var(--clr-muted);
  margin-bottom: 24px;
  font-weight: 500;
}

.metric-row {
  margin-bottom: 20px;
}

.metric-row:last-child { margin-bottom: 0; }

.metric-label {
  display: flex;
  justify-content: space-between;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.metric-label span:last-child { color: var(--clr-blue-lt); }

.metric-bar {
  height: 6px;
  background: var(--clr-border);
  border-radius: 99px;
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--clr-blue), var(--clr-cyan));
}

.metrics-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--clr-border);
}

.mini-stat { text-align: center; }
.mini-stat__num {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--clr-white), var(--clr-blue-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mini-stat__label { font-size: .72rem; color: var(--clr-muted); margin-top: 2px; }

/* ---------- AI & Automation ---------- */
.ai-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}

.ai-intro-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}

.ai-intro-card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.ai-intro-card--accent {
  border-color: rgba(139,92,246,.3);
  background: linear-gradient(135deg, rgba(139,92,246,.08), rgba(59,130,246,.05));
}

.ai-intro-icon { font-size: 1.8rem; }

.ai-intro-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.ai-intro-card p {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.7;
}

.ai-capabilities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 52px;
}

.ai-cap-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.ai-cap-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.ai-cap-item h4 {
  font-size: .98rem;
  font-weight: 700;
  margin-bottom: 7px;
}

.ai-cap-item p {
  font-size: .87rem;
  color: var(--clr-muted);
  line-height: 1.68;
}

.ai-platforms {
  border-top: 1px solid var(--clr-border);
  padding-top: 36px;
}

.ai-platforms-label {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--clr-muted);
  margin-bottom: 16px;
}

.ai-platforms-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ai-platform-chip {
  font-size: .82rem;
  font-weight: 600;
  color: var(--clr-blue-lt);
  background: rgba(59,130,246,.08);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: 99px;
  padding: 6px 16px;
  transition: var(--transition);
  cursor: default;
}

.ai-platform-chip:hover {
  background: rgba(59,130,246,.16);
  border-color: rgba(59,130,246,.4);
}

@media (max-width: 768px) {
  .ai-intro-grid    { grid-template-columns: 1fr; }
  .ai-capabilities  { grid-template-columns: 1fr; }
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(59,130,246,.3);
  transform: translateY(-3px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  font-size: 1rem;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-blue), var(--clr-accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}

.testimonial-name { font-size: .9rem; font-weight: 700; }
.testimonial-role { font-size: .78rem; color: var(--clr-muted); }

/* ---------- CTA Band ---------- */
.cta-band {
  background: linear-gradient(135deg, rgba(59,130,246,.15) 0%, rgba(139,92,246,.1) 100%);
  border-block: 1px solid var(--clr-border);
  padding-block: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(59,130,246,.12), transparent);
}

.cta-band .section-heading { margin-bottom: 12px; }
.cta-band .section-sub { margin-inline: auto; margin-bottom: 36px; }

.cta-band__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.contact-item__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item h4 { font-size: .85rem; color: var(--clr-muted); margin-bottom: 4px; font-weight: 500; }
.contact-item p  { font-size: 1rem; font-weight: 600; }
.contact-item a  { color: var(--clr-blue-lt); }
.contact-item a:hover { text-decoration: underline; }

.contact-form {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--clr-muted);
  margin-bottom: 8px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--clr-white);
  font-family: var(--font-sans);
  font-size: .92rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group select,
.form-group textarea:focus {
  border-color: var(--clr-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.form-group select option { background: var(--clr-card); }

.form-group textarea { min-height: 120px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: 60px 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  font-size: .88rem;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-top: 14px;
  max-width: 300px;
}

.footer__col h4 {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--clr-muted);
  margin-bottom: 16px;
}

.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col ul li a {
  font-size: .88rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--clr-white); }

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .82rem;
  color: var(--clr-muted);
}

.footer__bottom a { color: var(--clr-blue-lt); }
.footer__bottom a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner        { grid-template-columns: 1fr; }
  .hero__visual       { display: none; }
  .services-grid      { grid-template-columns: 1fr 1fr; }
  .process-steps      { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process-steps::before { display: none; }
  .why-grid           { grid-template-columns: 1fr; }
  .why-visual         { display: none; }
  .testimonials-grid  { grid-template-columns: 1fr 1fr; }
  .footer__grid       { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding-block: 64px; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .services-grid      { grid-template-columns: 1fr; }
  .process-steps      { grid-template-columns: 1fr; }
  .contact-grid       { grid-template-columns: 1fr; }
  .testimonials-grid  { grid-template-columns: 1fr; }
  .footer__grid       { grid-template-columns: 1fr 1fr; }
  .form-row           { grid-template-columns: 1fr; }
  .hero__stats        { flex-wrap: wrap; gap: 20px; }
  .tech-grid          { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}

@media (max-width: 480px) {
  .footer__grid  { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}