:root {
  --brand-green: #1def80;
  --brand-black: #161616;
  --bg: #161616;
  --bg-card: #1c1c1c;
  --fg: #fafafa;
  --fg-muted: #b8b8b8;
  --border: #333333;
  --radius: 0.75rem;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-sans: "Inter", system-ui, sans-serif;
  --shadow-glow: 0 0 60px -10px rgba(29, 239, 128, 0.45);
  --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.icon {
  display: inline-block;
  vertical-align: middle;
}

/* Text gradient */
.text-gradient {
  background: linear-gradient(135deg, #1def80 0%, #16c46a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glow {
  box-shadow: var(--shadow-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s;
  border: none;
  cursor: pointer;
}
.btn:hover {
  opacity: 0.9;
}
.btn-primary {
  background: var(--brand-green);
  color: var(--brand-black);
}
.btn-outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--bg-card);
}

/* Section labels */
.section-tag {
  color: var(--brand-green);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.75rem;
}
.section-label {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}
.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 4rem;
}
.section-header h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}
.section-header p {
  margin-top: 1rem;
  color: var(--fg-muted);
}

/* =============== NAV =============== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(22, 22, 22, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 2rem;
  width: auto;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
}
.nav-links a {
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--fg);
}
.nav-cta {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: var(--brand-green);
  color: var(--brand-black);
  font-size: 0.875rem;
  font-weight: 600;
}
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fg);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(22, 22, 22, 0.95);
  border-bottom: 1px solid var(--border);
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav a {
  color: var(--fg-muted);
  font-size: 0.875rem;
  padding: 0.5rem 0;
}
.mobile-nav a:hover {
  color: var(--fg);
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .mobile-menu-btn { display: none; }
  .mobile-nav { display: none !important; }
}

/* =============== HERO =============== */
.hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 6rem;
  overflow: hidden;
  text-align: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(22,22,22,0.4), rgba(22,22,22,0.8), rgba(22,22,22,1));
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(29, 239, 128, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 239, 128, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-content {
  position: relative;
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(29, 239, 128, 0.4);
  background: rgba(29, 239, 128, 0.1);
  color: var(--brand-green);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 2rem;
}
.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  max-width: 56rem;
  margin: 0 auto;
}
.hero-desc {
  margin-top: 1.5rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}
.hero-desc strong {
  color: var(--fg);
}
.hero-buttons {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}
.hero-stats {
  margin-top: 5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--brand-green);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.25rem;
}

/* =============== NICHES =============== */
.niches {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(28, 28, 28, 0.3);
}
.niches-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.niches-list span {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}
.niches-list span:hover {
  border-color: rgba(29, 239, 128, 0.6);
  color: var(--brand-green);
}

/* =============== SERVICES =============== */
.services {
  padding: 6rem 0;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.service-card {
  position: relative;
  padding: 1.75rem;
  border-radius: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.3s;
}
.service-card:hover {
  border-color: rgba(29, 239, 128, 0.5);
}
.service-card::before {
  content: '';
  position: absolute;
  top: -5rem;
  right: -5rem;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: rgba(29, 239, 128, 0.1);
  filter: blur(40px);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover::before {
  opacity: 1;
}
.service-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: rgba(29, 239, 128, 0.15);
  color: var(--brand-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.service-card p {
  color: var(--fg-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* =============== PROCESS =============== */
.process {
  padding: 6rem 0;
  background: rgba(28, 28, 28, 0.3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.process-card {
  padding: 2rem;
  border-radius: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  position: relative;
}
.process-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(29, 239, 128, 0.3);
  margin-bottom: 1rem;
  line-height: 1;
}
.process-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.process-card p {
  color: var(--fg-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* =============== ABOUT =============== */
.about {
  padding: 6rem 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.about-img-wrap {
  position: relative;
}
.about-glow {
  position: absolute;
  inset: -1rem;
  background: rgba(29, 239, 128, 0.2);
  filter: blur(40px);
  border-radius: 50%;
}
.about-img-wrap img {
  position: relative;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 28rem;
  margin: 0 auto;
  display: block;
}
.about-content h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
}
.about-content p {
  margin-top: 1.5rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.about-content p strong {
  color: var(--fg);
}
.about-list {
  margin-top: 2rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(250, 250, 250, 0.9);
}
.about-list li svg {
  color: var(--brand-green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* =============== REVIEWS =============== */
.reviews {
  padding: 6rem 0;
  background: rgba(28, 28, 28, 0.3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .reviews-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.review-card {
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: border-color 0.3s;
  display: flex;
  flex-direction: column;
}
.review-card:hover {
  border-color: rgba(29, 239, 128, 0.5);
}
.stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  color: var(--brand-green);
}
.review-text {
  font-size: 0.875rem;
  color: rgba(250, 250, 250, 0.9);
  line-height: 1.6;
  flex: 1;
}
.review-author {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.review-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(29, 239, 128, 0.15);
  color: var(--brand-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}
.review-name {
  font-weight: 600;
  font-size: 0.875rem;
}
.review-role {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* =============== CTA / CONTACT =============== */
.cta {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
  text-align: center;
}
.cta-grid {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(29, 239, 128, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 239, 128, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.cta-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(29, 239, 128, 0.18), transparent 60%);
}
.cta-content {
  position: relative;
}
.cta-content h2 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
}
.cta-content > p {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}
.contact-cards {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 640px) {
  .contact-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}
.contact-card {
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: border-color 0.3s;
}
.contact-card:hover {
  border-color: rgba(29, 239, 128, 0.6);
}
.contact-card svg {
  color: var(--brand-green);
  margin-bottom: 0.75rem;
}
.contact-label {
  font-size: 0.875rem;
  color: var(--fg-muted);
}
.contact-value {
  font-weight: 600;
  margin-top: 0.25rem;
  transition: color 0.2s;
}
.contact-card:hover .contact-value {
  color: var(--brand-green);
}

/* =============== LEAD FORM =============== */
.lead-form {
  margin-top: 3rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-align: left;
}
@media (min-width: 640px) {
  .lead-form {
    padding: 2rem;
  }
}
.lead-form h3 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
}
.lead-form > p {
  text-align: center;
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin-top: 0.5rem;
}
.form-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.lead-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}
.lead-form input:focus {
  border-color: var(--brand-green);
}
.lead-form input::placeholder {
  color: var(--fg-muted);
}
.lead-form button {
  margin-top: 1.25rem;
  width: 100%;
  justify-content: center;
}
.location {
  margin-top: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
}
.location svg {
  color: var(--brand-green);
  flex-shrink: 0;
}

/* =============== FOOTER =============== */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer-logo img {
  height: 1.75rem;
  width: auto;
}
.footer-copy {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* =============== WHATSAPP FLOAT =============== */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}
.whatsapp-float:hover {
  transform: scale(1.1);
}
.whatsapp-ping {
  position: absolute;
  display: inline-flex;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #25D366;
  opacity: 0.4;
  animation: ping 1.5s infinite;
}
@keyframes ping {
  0% { transform: scale(1); opacity: 0.4; }
  75%, 100% { transform: scale(1.5); opacity: 0; }
}

/* =============== TOAST =============== */
.toast {
  position: fixed;
  top: 5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-1rem);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  font-size: 0.875rem;
  white-space: nowrap;
}
.toast-inner.error {
  border-color: rgba(220, 38, 38, 0.5);
}
.toast-inner.success {
  border-color: rgba(29, 239, 128, 0.5);
}

/* =============== SCROLLBAR =============== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #444;
}