/* SharkHub — CSS puro (convertido do Tailwind/React) */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --radius: 0.75rem;
  --background: #050505;
  --foreground: #fafafa;
  --card: #111318;
  --muted-foreground: #9ca3af;
  --primary: #3b82f6;
  --primary-foreground: #ffffff;
  --border: rgba(255, 255, 255, 0.08);
  --neon: #3b82f6;
  --neon-soft: #60a5fa;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
  --gradient-radial: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.25), transparent 60%);
  --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.35);
  --shadow-glow-strong: 0 0 120px rgba(59, 130, 246, 0.55);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --container-max: 72rem;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.5;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

/* Utilities */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

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

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

.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 60%, #3b82f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
}

.mask-fade {
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll[data-delay="1"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="2"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="3"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="4"] { transition-delay: 0.4s; }

/* Header / Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  padding: 1rem 1rem 0;
  animation: nav-enter 0.6s ease forwards;
}

@keyframes nav-enter {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.site-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  width: 100%;
  max-width: 48rem;
  padding: 0.5rem;
  border-radius: 9999px;
}

.site-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1rem 0 0.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-nav__logo {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
}

.site-nav__logo svg {
  width: 1rem;
  height: 1rem;
  color: #fff;
}

.site-nav__links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
}

.site-nav__links a {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  border-radius: 9999px;
  transition: color 0.2s;
}

.site-nav__links a:hover {
  color: var(--foreground);
}

.site-nav__cta {
  margin-left: auto;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--primary);
  color: var(--primary-foreground);
  transition: opacity 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.site-nav__cta:hover {
  opacity: 0.9;
  box-shadow: var(--shadow-glow);
}

.site-nav__menu-btn {
  display: flex;
  margin-left: 0.5rem;
  padding: 0.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--foreground);
}

.site-nav__menu-btn svg {
  width: 1.5rem;
  height: 1.5rem;
}

@media (min-width: 768px) {
  .site-nav__links { display: flex; }
  .site-nav__menu-btn { display: none; }
  .site-nav__cta { margin-left: auto; }
}

.site-nav.is-open .site-nav__mobile {
  display: flex;
}

.site-nav__mobile {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 1rem;
  right: 1rem;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  border-radius: 1rem;
}

.site-nav__mobile a {
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  border-radius: 0.5rem;
}

.site-nav__mobile a:hover {
  color: var(--foreground);
  background: rgba(255, 255, 255, 0.05);
}

/* Hero */
.hero {
  position: relative;
  padding: 9rem 0 6rem;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  z-index: -3;
}

.hero__bg-radial {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--gradient-radial);
}

.hero__bg-blur {
  position: absolute;
  left: 50%;
  top: 20%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  filter: blur(140px);
  z-index: -1;
  pointer-events: none;
}

.hero__particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.6);
  animation: particle-float 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes particle-float {
  0%, 100% { transform: translateY(0); opacity: 0.2; }
  50% { transform: translateY(-30px); opacity: 0.9; }
}

.hero__inner {
  text-align: center;
  max-width: 64rem;
  margin-inline: auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  border-radius: 9999px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  margin-top: 1.5rem;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero__subtitle {
  margin-top: 1.5rem;
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--muted-foreground);
  max-width: 42rem;
  margin-inline: auto;
}

.hero__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow-strong);
}

.btn--glass {
  background: transparent;
}

.btn--glass:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn svg {
  width: 1rem;
  height: 1rem;
}

.btn--primary:hover svg {
  transform: translateX(4px);
}

.btn--primary svg {
  transition: transform 0.2s;
}

.hero__mockup {
  position: relative;
  margin-top: 5rem;
}

.hero__mockup-glow {
  position: absolute;
  inset: -1.5rem 2.5rem;
  background: rgba(59, 130, 246, 0.3);
  filter: blur(48px);
  z-index: -1;
}

.hero__mockup-frame {
  max-width: 56rem;
  margin-inline: auto;
  padding: 0.5rem;
  border-radius: 1rem;
}

.hero__mockup-frame img {
  width: 100%;
  border-radius: 0.75rem;
}

/* Section heading */
.section-heading {
  text-align: center;
  max-width: 48rem;
  margin-inline: auto;
}

.section-heading__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--primary);
}

.section-heading__title {
  margin-top: 0.75rem;
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-heading__subtitle {
  margin-top: 1rem;
  color: var(--muted-foreground);
}

/* Sections spacing */
.section {
  position: relative;
  padding: 7rem 0;
}

/* Services */
.services-grid {
  margin-top: 3.5rem;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  position: relative;
  padding: 1.5rem;
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
}

.service-card__glow {
  position: absolute;
  top: -5rem;
  right: -5rem;
  width: 10rem;
  height: 10rem;
  background: rgba(59, 130, 246, 0.2);
  filter: blur(48px);
  opacity: 0;
  transition: opacity 0.3s;
}

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

.service-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-glow);
}

.service-card__icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
}

.service-card h3 {
  margin-top: 1.25rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.service-card p {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* Stats */
.stats-section {
  padding: 6rem 0;
}

.stats-box {
  position: relative;
  padding: 2.5rem 1.5rem;
  border-radius: 1.5rem;
  overflow: hidden;
}

@media (min-width: 768px) {
  .stats-box { padding: 3.5rem; }
}

.stats-box__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gradient-radial);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-item {
  text-align: center;
}

.stat-item__value {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stat-item__label {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Portfolio */
.portfolio-grid {
  margin-top: 3.5rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.portfolio-card {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  display: block;
}

.portfolio-card--span-2 { grid-column: span 2; }
.portfolio-card--span-3 { grid-column: span 3; }

.portfolio-card__img-wrap {
  overflow: hidden;
}

.portfolio-card img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  transition: transform 0.7s;
}

@media (min-width: 768px) {
  .portfolio-card img { height: 18rem; }
}

.portfolio-card:hover img {
  transform: scale(1.1);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--background), rgba(5, 5, 5, 0.3), transparent);
  opacity: 0.9;
}

.portfolio-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.25rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.portfolio-card__tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.portfolio-card__name {
  font-size: 1.125rem;
  font-weight: 600;
}

.portfolio-card__arrow {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.4);
  display: grid;
  place-items: center;
  transition: background 0.2s;
  flex-shrink: 0;
}

.portfolio-card:hover .portfolio-card__arrow {
  background: var(--primary);
}

.portfolio-card__arrow svg {
  width: 1rem;
  height: 1rem;
}

/* Pricing */
.pricing-block {
  margin-top: 3.5rem;
}

.pricing-block__label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.pricing-grid {
  display: grid;
  gap: 1.25rem;
}

.pricing-grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .pricing-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid--2 { grid-template-columns: repeat(2, 1fr); }
}

.plan-card {
  position: relative;
  padding: 1.75rem;
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
}

.plan-card--highlight {
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: var(--shadow-glow);
}

.plan-card__badge {
  position: absolute;
  top: -0.75rem;
  right: 1.5rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background: var(--primary);
  color: var(--primary-foreground);
}

.plan-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.plan-card__desc {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.plan-card__price {
  margin-top: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.plan-card__price small {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.plan-card__price span {
  font-size: 2.25rem;
  font-weight: 600;
}

.plan-card__features {
  margin-top: 1.5rem;
  flex: 1;
}

.plan-card__features li {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.plan-card__features svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.plan-card__cta {
  margin-top: 1.75rem;
  display: flex;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  transition: all 0.2s;
}

.plan-card__cta--primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.plan-card__cta--primary:hover {
  opacity: 0.9;
}

.plan-card__cta--glass:hover {
  background: rgba(255, 255, 255, 0.05);
}

.pricing-block + .pricing-block {
  margin-top: 4rem;
}

/* Testimonials */
.testimonials-grid {
  margin-top: 3.5rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

.testimonial-card {
  padding: 1.75rem;
  border-radius: 1rem;
}

.testimonial-card__stars {
  display: flex;
  gap: 0.25rem;
  color: var(--primary);
}

.testimonial-card__stars svg {
  width: 1rem;
  height: 1rem;
  fill: var(--primary);
}

.testimonial-card blockquote {
  margin-top: 1rem;
  font-size: 1.125rem;
  line-height: 1.6;
}

.testimonial-card figcaption {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.testimonial-card__role {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* CTA / Contact */
.cta-box {
  position: relative;
  padding: 3rem 1.5rem;
  border-radius: 1.5rem;
  text-align: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .cta-box { padding: 5rem; }
}

.cta-box__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--gradient-radial);
}

.cta-box__blur {
  position: absolute;
  bottom: -5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.3);
  filter: blur(140px);
  z-index: -1;
}

.cta-box__eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--primary);
}

.cta-box__title {
  margin-top: 1rem;
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cta-box__text {
  margin-top: 1.25rem;
  color: var(--muted-foreground);
  max-width: 36rem;
  margin-inline: auto;
}

.cta-box__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.contact-form {
  margin-top: 2.5rem;
  max-width: 32rem;
  margin-inline: auto;
  text-align: left;
}

.contact-form__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .contact-form__grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.375rem;
  color: var(--muted-foreground);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

.contact-form__submit {
  width: 100%;
  margin-top: 0.5rem;
}

.form-message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  display: none;
}

.form-message.is-visible { display: block; }
.form-message--success {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.form-message--error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2.5rem 0;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    text-align: left;
  }
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-footer__logo {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.375rem;
  background: var(--gradient-primary);
}

.site-footer__brand strong {
  color: var(--foreground);
  font-weight: 500;
}

/* Flash messages (redirect from PHP) */
.page-flash {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  max-width: 20rem;
  animation: flash-in 0.4s ease;
}

@keyframes flash-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-flash--success {
  background: rgba(34, 197, 94, 0.2);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #bbf7d0;
}

.page-flash--error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fecaca;
}