/* ========================================================
   L2B1 Soluções em Tecnologia – Design System & Styles
   ======================================================== */

/* ── CSS Variables ── */
:root {
  /* Colors */
  --c-bg-primary: #050a15;
  --c-bg-secondary: #0a1128;
  --c-bg-card: rgba(15, 23, 55, 0.6);
  --c-bg-card-hover: rgba(20, 30, 70, 0.8);
  --c-surface: rgba(255, 255, 255, 0.03);
  --c-border: rgba(255, 255, 255, 0.06);
  --c-border-hover: rgba(255, 255, 255, 0.12);

  --c-text-primary: #e8edf5;
  --c-text-secondary: #8892a8;
  --c-text-muted: #5a6478;

  --c-accent-blue: #0ea5e9;
  --c-accent-purple: #8b5cf6;
  --c-accent-cyan: #06b6d4;
  --c-accent-green: #22c55e;
  --c-accent-orange: #f59e0b;
  --c-accent-red: #ef4444;
  --c-accent-teal: #14b8a6;
  --c-accent-pink: #ec4899;
  --c-whatsapp: #25d366;

  --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #6366f1 50%, #8b5cf6 100%);
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
  --gradient-glow: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 70%);

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-py: clamp(5rem, 10vw, 8rem);
  --container-max: 1200px;
  --container-px: clamp(1rem, 4vw, 2rem);

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background: var(--c-bg-primary);
  color: var(--c-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul { list-style: none; }

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

/* ── Utility ── */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section {
  padding: var(--section-py) 0;
  position: relative;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section__tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-accent-blue);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section__title {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section__desc {
  color: var(--c-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-main);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.45);
}

.btn--glass {
  background: rgba(255, 255, 255, 0.05);
  color: var(--c-text-primary);
  border: 1px solid var(--c-border);
  backdrop-filter: blur(12px);
}

.btn--glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--c-border-hover);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: var(--c-whatsapp);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.45);
  background: #20bd5a;
}

.btn--full {
  width: 100%;
}

/* ── Particle Canvas ── */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(5, 10, 21, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--c-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

.logo-text {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

/* ── Brand Images ── */
.logo-img {
  display: block;
  object-fit: contain;
}

.logo-img--icon {
  width: auto;
  height: 38px;
}

.logo-img--stacked {
  width: auto;
  height: 64px;
}

.brand-lockup {
  display: block;
  width: auto;
  height: clamp(56px, 8vw, 72px);
  object-fit: contain;
  opacity: 0.92;
}

.brand-lockup--left {
  margin: 0 0 1.75rem;
}

.navbar__list {
  display: flex;
  gap: 8px;
}

.navbar__link {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-secondary);
  transition: all var(--transition-fast);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--c-text-primary);
  background: var(--c-surface);
}

.navbar__cta {
  display: none;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
  .navbar__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(5, 10, 21, 0.97);
    backdrop-filter: blur(24px);
    padding: 100px 32px 32px;
    transition: right var(--transition-base);
    border-left: 1px solid var(--c-border);
  }

  .navbar__nav.open {
    right: 0;
  }

  .navbar__list {
    flex-direction: column;
    gap: 4px;
  }

  .navbar__link {
    padding: 14px 16px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__cta {
    display: none !important;
  }
}

@media (min-width: 901px) {
  .navbar__cta {
    display: inline-flex;
  }
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero__glow--1 {
  width: 600px;
  height: 600px;
  background: rgba(14, 165, 233, 0.12);
  top: -10%;
  left: 20%;
  animation: floatGlow 8s ease-in-out infinite;
}

.hero__glow--2 {
  width: 500px;
  height: 500px;
  background: rgba(139, 92, 246, 0.1);
  bottom: -5%;
  right: 15%;
  animation: floatGlow 10s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.1); }
}

.hero__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--c-accent-green);
  border-radius: 50%;
  position: relative;
}

.pulse-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--c-accent-green);
  animation: pulse 2s ease-in-out infinite;
  opacity: 0;
}

@keyframes pulse {
  0% { transform: scale(0.5); opacity: 0.6; }
  100% { transform: scale(2); opacity: 0; }
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--c-text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.stat__plus {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  display: block;
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 4px;
}

.stat__divider {
  width: 1px;
  height: 48px;
  background: var(--c-border);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--c-text-muted);
  border-radius: 13px;
  position: relative;
}

.mouse__wheel {
  width: 3px;
  height: 8px;
  background: var(--c-text-muted);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouseWheel 1.5s ease-in-out infinite;
}

@keyframes mouseWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

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

/* ── Services ── */
.services {
  background: var(--c-bg-secondary);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, rgba(14, 165, 233, 0.3) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  background: var(--c-bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card__icon--blue { background: rgba(14, 165, 233, 0.12); color: var(--c-accent-blue); }
.service-card__icon--purple { background: rgba(139, 92, 246, 0.12); color: var(--c-accent-purple); }
.service-card__icon--cyan { background: rgba(6, 182, 212, 0.12); color: var(--c-accent-cyan); }
.service-card__icon--green { background: rgba(34, 197, 94, 0.12); color: var(--c-accent-green); }
.service-card__icon--orange { background: rgba(245, 158, 11, 0.12); color: var(--c-accent-orange); }
.service-card__icon--red { background: rgba(239, 68, 68, 0.12); color: var(--c-accent-red); }
.service-card__icon--teal { background: rgba(20, 184, 166, 0.12); color: var(--c-accent-teal); }
.service-card__icon--pink { background: rgba(236, 72, 153, 0.12); color: var(--c-accent-pink); }

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.service-card__desc {
  color: var(--c-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-card__tags li {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border);
  font-size: 0.75rem;
  color: var(--c-text-muted);
  font-weight: 500;
}

/* ── About ── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Terminal */
.about__terminal {
  background: #0d1117;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--c-border);
}

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

.terminal__dot--red { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green { background: #28c840; }

.terminal__title {
  color: var(--c-text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-left: 8px;
}

.terminal__body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
}

.terminal__line {
  opacity: 0;
  animation: terminalType 0.3s ease forwards;
}

.terminal__line[data-line="1"] { animation-delay: 0.3s; }
.terminal__line[data-line="2"] { animation-delay: 0.8s; }
.terminal__line[data-line="3"] { animation-delay: 1.3s; }
.terminal__line[data-line="4"] { animation-delay: 1.8s; }
.terminal__line[data-line="5"] { animation-delay: 2.1s; }
.terminal__line[data-line="6"] { animation-delay: 2.4s; }
.terminal__line[data-line="7"] { animation-delay: 3s; }
.terminal__line[data-line="8"] { animation-delay: 3.6s; }
.terminal__line[data-line="9"] { animation-delay: 4.2s; }

@keyframes terminalType {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.t-prompt { color: var(--c-accent-green); }
.t-cmd { color: var(--c-accent-cyan); }
.t-output { color: var(--c-text-secondary); }
.t-success { color: var(--c-accent-green); }

.t-cursor {
  animation: blink 1s step-end infinite;
  color: var(--c-accent-green);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* About content */
.about__text {
  color: var(--c-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: all var(--transition-fast);
}

.feature:hover {
  border-color: var(--c-border-hover);
  background: rgba(255, 255, 255, 0.05);
}

.feature__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(14, 165, 233, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent-blue);
}

.feature__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature__desc {
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ── Technologies ── */
.tech {
  background: var(--c-bg-secondary);
}

/* Marquee */
.tech__marquee {
  overflow: hidden;
  margin-bottom: 3rem;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.marquee__track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee__content {
  display: flex;
  gap: 12px;
  padding-right: 12px;
}

.tech-badge {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tech-badge:hover {
  border-color: var(--c-accent-blue);
  color: var(--c-accent-blue);
  background: rgba(14, 165, 233, 0.08);
}

/* Tech categories */
.tech__categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.tech-cat {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  text-align: center;
  transition: all var(--transition-base);
}

.tech-cat:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-hover);
  box-shadow: var(--shadow-card);
}

.tech-cat__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tech-cat h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.tech-cat p {
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ── CTA ── */
.cta {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta__glow {
  position: absolute;
  width: 600px;
  height: 300px;
  background: var(--gradient-glow);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(80px);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  z-index: 1;
}

.cta__inner .brand-lockup {
  margin: 0 auto 2.25rem;
}

.cta__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta__desc {
  color: var(--c-text-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Contact ── */
.contact {
  background: var(--c-bg-secondary);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

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

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--c-border-hover);
  background: var(--c-bg-card-hover);
}

.contact-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(14, 165, 233, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent-blue);
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-card a {
  color: var(--c-accent-blue);
  font-size: 0.9rem;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* Form */
.contact__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--c-text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--c-accent-blue);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-text-muted);
}

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

.contact__form .btn {
  grid-column: 1 / -1;
  margin-top: 8px;
}

@media (max-width: 500px) {
  .contact__form {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--c-border);
  padding-top: 4rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 500px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

.footer__brand p {
  color: var(--c-text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer__links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--c-text-primary);
}

.footer__links li {
  margin-bottom: 8px;
}

.footer__links a {
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--c-accent-blue);
}

.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding: 20px 0;
  text-align: center;
}

.footer__bottom p {
  color: var(--c-text-muted);
  font-size: 0.8rem;
}

/* ── WhatsApp Float ── */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--c-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition-base);
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float__tooltip {
  position: absolute;
  right: 72px;
  background: #fff;
  color: #333;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.1); }
}

/* ── AOS-like animations ── */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="fade-down"] {
  transform: translateY(-30px);
}

[data-aos="fade-right"] {
  transform: translateX(-40px) translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(40px) translateY(0);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

/* ── Responsive fine-tuning ── */
@media (max-width: 480px) {
  .hero__stats {
    gap: 1rem;
  }

  .stat__number {
    font-size: 2rem;
  }

  .stat__divider {
    height: 32px;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }
}

/* ── Selection ── */
::selection {
  background: rgba(14, 165, 233, 0.3);
  color: #fff;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--c-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}