/* ============================================
   InfraByteLAB — Soluções em Tecnologia
   Paleta: Azul tech + fundo dark
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Orbitron:wght@700;900&display=swap');

:root {
  --clr-bg:         #080c18;
  --clr-bg-2:       #0c1120;
  --clr-bg-3:       #0f1628;
  --clr-surface:    #111827;
  --clr-surface-2:  #1a2236;
  --clr-border:     rgba(255,255,255,.07);
  --clr-border-2:   rgba(56,189,248,.18);

  --clr-blue-1:     #38bdf8;
  --clr-blue-2:     #0ea5e9;
  --clr-blue-3:     #0284c7;
  --clr-blue-dark:  #075985;
  --clr-blue-glow:  rgba(56,189,248,.15);

  --clr-text:       #f1f5f9;
  --clr-text-muted: #94a3b8;
  --clr-text-dim:   #64748b;
  --clr-white:      #ffffff;
  --clr-green:      #22c55e;
  --clr-yellow:     #facc15;

  --font-main: 'Inter', system-ui, sans-serif;
  --font-tech: 'Orbitron', monospace;

  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm:   0 2px 12px rgba(0,0,0,.3);
  --shadow-md:   0 8px 32px rgba(0,0,0,.4);
  --shadow-lg:   0 20px 60px rgba(0,0,0,.5);
  --shadow-blue: 0 0 40px rgba(56,189,248,.2);
  --shadow-blue-sm: 0 0 16px rgba(56,189,248,.15);

  --transition: 0.25s ease;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
strong { font-weight: 700; }

/* ---- Container ---- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-size: .92rem;
  font-weight: 700;
  font-family: var(--font-main);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--blue {
  background: linear-gradient(135deg, var(--clr-blue-2), var(--clr-blue-3));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(14,165,233,.35);
}
.btn--blue:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(14,165,233,.5);
  filter: brightness(1.1);
}
.btn--outline {
  background: transparent;
  color: var(--clr-blue-1);
  border-color: var(--clr-blue-2);
}
.btn--outline:hover {
  background: var(--clr-blue-glow);
  transform: translateY(-2px);
}
.btn--outline-white {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,.4);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: white;
}
.btn--white {
  background: white;
  color: var(--clr-blue-3);
  font-weight: 800;
}
.btn--white:hover {
  background: #e0f2fe;
  transform: translateY(-2px);
}
.btn--lg { padding: 15px 32px; font-size: 1rem; }
.btn--full { width: 100%; }

/* ---- Section helpers ---- */
.section-eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--clr-blue-1);
  margin-bottom: 10px;
  padding: 4px 14px;
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-full);
  background: rgba(56,189,248,.06);
}
.section-title {
  font-weight: 800;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.2;
  color: var(--clr-text);
  margin-bottom: 14px;
}
.section-desc {
  color: var(--clr-text-muted);
  max-width: 520px;
  font-size: .97rem;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-desc { margin: 0 auto; }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.header.scrolled {
  background: rgba(8,12,24,.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--clr-border), 0 4px 24px rgba(0,0,0,.4);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo__img {
  height: 48px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 8px rgba(56,189,248,.25));
}

.nav { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
.nav__link {
  font-size: .88rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  position: relative;
}
.nav__link:hover {
  color: var(--clr-blue-1);
  background: var(--clr-blue-glow);
}

.header__cta { flex-shrink: 0; padding: 9px 20px; font-size: .85rem; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--clr-bg);
}
.hero__circuit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(14,165,233,.12) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 80%, rgba(56,189,248,.08) 0%, transparent 60%);
  z-index: 1;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  width: 100%;
  padding: 130px 24px 100px;
  max-width: var(--container);
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-blue-1);
  padding: 6px 16px;
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-full);
  background: rgba(56,189,248,.06);
  margin-bottom: 22px;
  letter-spacing: .04em;
}
.hero__badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-blue-1);
  box-shadow: 0 0 8px var(--clr-blue-1);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

.hero__title {
  font-weight: 900;
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--clr-text);
  margin-bottom: 20px;
}
.hero__title-gradient {
  background: linear-gradient(135deg, var(--clr-blue-1), var(--clr-blue-2), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 460px;
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.hero__stat { text-align: left; padding: 0 24px 0 0; }
.hero__stat:first-child { padding-left: 0; }
.hero__stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--clr-blue-1);
  line-height: 1;
  margin-bottom: 3px;
}
.hero__stat span { font-size: .78rem; color: var(--clr-text-dim); font-weight: 500; }
.hero__stat-divider {
  width: 1px; height: 36px;
  background: var(--clr-border);
  margin: 0 24px 0 0;
  flex-shrink: 0;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__card-glow {
  position: absolute;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(56,189,248,.18) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}
.hero__device {
  position: relative;
  z-index: 2;
  width: 360px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-blue);
  overflow: hidden;
}
.hero__device-screen { padding: 0; }
.hero__terminal { font-family: 'Courier New', monospace; }
.hero__terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
}
.hero__terminal-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.hero__terminal-bar span:nth-child(1) { background: #ff5f57; }
.hero__terminal-bar span:nth-child(2) { background: #ffbd2e; }
.hero__terminal-bar span:nth-child(3) { background: #28ca41; }
.hero__terminal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: .85rem;
  line-height: 1.5;
}
.hero__terminal-body p { color: var(--clr-text-muted); }
.t-blue  { color: var(--clr-blue-1); }
.t-green { color: var(--clr-green); }
.t-yellow{ color: var(--clr-yellow); }
.blink {
  animation: blink 1s step-end infinite;
  color: var(--clr-blue-1);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero__badge-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-full);
  padding: 10px 18px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-blue-1);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  z-index: 3;
}
.hero__badge-float--1 { top: 10%; right: -20px; animation: float1 4s ease-in-out infinite; }
.hero__badge-float--2 { bottom: 10%; left: -30px; animation: float2 4.5s ease-in-out infinite; }
@keyframes float1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes float2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

.hero__wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  z-index: 3;
  line-height: 0;
}
.hero__wave svg { width: 100%; display: block; }

/* ============================================
   SERVICES
   ============================================ */
.services { padding: 100px 0; background: var(--clr-bg-2); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(56,189,248,.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--clr-border-2);
  box-shadow: var(--shadow-blue-sm), var(--shadow-md);
  transform: translateY(-6px);
}
.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(56,189,248,.12), rgba(14,165,233,.06));
  border: 1px solid var(--clr-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.service-card__icon svg {
  width: 24px; height: 24px;
  stroke: var(--clr-blue-1);
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--clr-text);
}
.service-card p {
  font-size: .88rem;
  color: var(--clr-text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}
.service-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card__list li {
  font-size: .82rem;
  color: var(--clr-text-dim);
  padding-left: 16px;
  position: relative;
}
.service-card__list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--clr-blue-2);
  font-weight: 700;
}

/* ============================================
   ABOUT
   ============================================ */
.about { padding: 100px 0; background: var(--clr-bg); }
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}
.about__img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 260px; height: 260px;
}
.about__logo-big {
  width: 220px;
  height: auto;
  position: relative;
  z-index: 2;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 40px rgba(56,189,248,.45)) drop-shadow(0 0 16px rgba(56,189,248,.2));
}
.about__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--clr-border-2);
  animation: spin-slow linear infinite;
}
.about__ring--1 {
  width: 260px; height: 260px;
  border-style: dashed;
  animation-duration: 30s;
}
.about__ring--2 {
  width: 210px; height: 210px;
  border-color: rgba(56,189,248,.1);
  animation-duration: 20s;
  animation-direction: reverse;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }

.about__numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
  max-width: 320px;
}
.about__number {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  transition: all var(--transition);
}
.about__number:hover {
  border-color: var(--clr-border-2);
  box-shadow: var(--shadow-blue-sm);
}
.about__number strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--clr-blue-1);
  line-height: 1;
  margin-bottom: 4px;
}
.about__number span { font-size: .75rem; color: var(--clr-text-dim); }

.about__content p {
  color: var(--clr-text-muted);
  margin-bottom: 14px;
  font-size: .97rem;
}
.about__content strong { color: var(--clr-text); }
.about__features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}
.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.about__feature-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-blue-2), var(--clr-blue-3));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.about__feature-icon svg {
  width: 14px; height: 14px;
  stroke: white;
}
.about__feature strong {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 2px;
}
.about__feature span { font-size: .82rem; color: var(--clr-text-muted); }

/* ============================================
   PROCESS
   ============================================ */
.process { padding: 100px 0; background: var(--clr-bg-2); }
.process__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process__step {
  flex: 1;
  text-align: center;
  padding: 32px 20px;
  position: relative;
}
.process__step-num {
  font-family: var(--font-tech);
  font-size: .75rem;
  font-weight: 700;
  color: var(--clr-blue-3);
  letter-spacing: .1em;
  margin-bottom: 16px;
}
.process__step-icon {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: var(--shadow-blue-sm);
  transition: all var(--transition);
}
.process__step:hover .process__step-icon {
  background: linear-gradient(135deg, rgba(56,189,248,.15), rgba(14,165,233,.1));
  box-shadow: var(--shadow-blue);
  transform: scale(1.05);
}
.process__step-icon svg {
  width: 28px; height: 28px;
  stroke: var(--clr-blue-1);
}
.process__step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 10px;
}
.process__step p {
  font-size: .86rem;
  color: var(--clr-text-muted);
  line-height: 1.65;
  max-width: 200px;
  margin: 0 auto;
}
.process__connector {
  flex-shrink: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-blue-3), var(--clr-blue-dark));
  margin-top: 80px;
  position: relative;
}
.process__connector::after {
  content: '';
  position: absolute;
  right: -5px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--clr-blue-3);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials { padding: 100px 0; background: var(--clr-bg); }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.testimonial-card:hover {
  border-color: var(--clr-border-2);
  box-shadow: var(--shadow-blue-sm);
  transform: translateY(-4px);
}
.testimonial-card__stars {
  color: var(--clr-yellow);
  font-size: .95rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.testimonial-card p {
  font-size: .88rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-card__author { display: flex; align-items: center; gap: 12px; }
.testimonial-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-blue-2), var(--clr-blue-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}
.testimonial-card__author strong { display: block; font-size: .9rem; font-weight: 700; color: var(--clr-text); }
.testimonial-card__author span { font-size: .76rem; color: var(--clr-text-dim); }

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  background: linear-gradient(135deg, #052e4a 0%, #0c4a6e 40%, #075985 100%);
}
.cta-banner__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(56,189,248,.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 50%, rgba(14,165,233,.12) 0%, transparent 70%);
}
.cta-banner__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner__text h2 {
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: white;
  margin-bottom: 8px;
}
.cta-banner__text p { color: rgba(255,255,255,.7); font-size: .97rem; }
.cta-banner__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================
   CONTACT
   ============================================ */
.contact { padding: 100px 0; background: var(--clr-bg-2); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.contact__info p {
  color: var(--clr-text-muted);
  margin-bottom: 32px;
  font-size: .97rem;
}
.contact__channels { display: flex; flex-direction: column; gap: 14px; }
.contact__channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.contact__channel:hover {
  border-color: var(--clr-border-2);
  transform: translateX(4px);
  box-shadow: var(--shadow-blue-sm);
}
.contact__channel-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(56,189,248,.1);
  border: 1px solid var(--clr-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-blue-1);
}
.contact__channel-icon svg { width: 18px; height: 18px; }
.contact__channel-icon--wa { background: rgba(37,211,102,.1); border-color: rgba(37,211,102,.2); color: #22c55e; }
.contact__channel strong { display: block; font-size: .88rem; font-weight: 700; color: var(--clr-text); margin-bottom: 2px; }
.contact__channel span { font-size: .82rem; color: var(--clr-text-muted); }

/* Form */
.contact__form-wrap { }
.contact__form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact__form-title {
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--clr-text);
  margin-bottom: 28px;
}
.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-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: .9rem;
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
  appearance: none;
}
.form-group select option { background: var(--clr-surface); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-blue-2);
  box-shadow: 0 0 0 3px rgba(14,165,233,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-dim); }

.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.25);
  border-radius: var(--radius);
  color: var(--clr-green);
  font-size: .88rem;
  font-weight: 600;
  text-align: center;
}
.form-success.visible { display: block; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: #050810; border-top: 1px solid var(--clr-border); }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-top: 72px;
  padding-bottom: 60px;
}
.footer__logo {
  height: 52px;
  width: auto;
  margin-bottom: 18px;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 10px rgba(56,189,248,.2));
}
.footer__brand p {
  font-size: .86rem;
  color: var(--clr-text-dim);
  line-height: 1.7;
  max-width: 260px;
  margin-bottom: 22px;
}
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-dim);
  transition: all var(--transition);
}
.footer__social a:hover {
  background: var(--clr-blue-glow);
  border-color: var(--clr-border-2);
  color: var(--clr-blue-1);
  transform: translateY(-2px);
}
.footer__links { display: flex; flex-direction: column; gap: 2px; }
.footer__links h4 {
  font-size: .82rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.footer__links a,
.footer__links span {
  font-size: .85rem;
  color: var(--clr-text-dim);
  padding: 5px 0;
  transition: color var(--transition);
  display: block;
}
.footer__links a:hover { color: var(--clr-blue-1); }
.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding: 22px 0;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__bottom p { font-size: .78rem; color: var(--clr-text-dim); }

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #22c55e;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(34,197,94,.4);
  z-index: 200;
  transition: all var(--transition);
}
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 32px rgba(34,197,94,.55);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { grid-template-columns: 1fr; gap: 60px; }
  .about__visual { flex-direction: row; justify-content: center; align-items: center; flex-wrap: wrap; }
  .process__steps { flex-wrap: wrap; justify-content: center; }
  .process__connector { display: none; }
  .process__step { flex: 0 0 calc(50% - 20px); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero__inner { grid-template-columns: 1fr; padding: 120px 24px 80px; }
  .hero__visual { display: none; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--clr-bg-2);
    border-top: 1px solid var(--clr-border);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav__link { color: var(--clr-text-muted) !important; padding: 12px 16px; font-size: .95rem; border-radius: var(--radius); }
  .nav__link:hover { color: var(--clr-blue-1) !important; }
  .hamburger { display: flex; }
  .header__cta { display: none; }

  .services__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom .container { flex-direction: column; text-align: center; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .cta-banner__actions { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 20px; }
  .hero__stats { flex-wrap: wrap; gap: 16px; }
  .hero__stat-divider { display: none; }
  .hero__stat { padding: 0; }
  .process__step { flex: 0 0 100%; }
}

@media (max-width: 480px) {
  .about__visual { flex-direction: column; }
  .about__numbers { grid-template-columns: 1fr 1fr; }
}