/* ===== Variables ===== */
:root {
  --bg-primary: #1a2225;
  --bg-secondary: #232d31;
  --bg-topbar: #151b1e;
  --accent: #4dbfff;
  --accent-hover: #3aa8e8;
  --text-primary: #ffffff;
  --text-secondary: #a8b4bc;
  --text-muted: #6b7a85;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --container: 1200px;
  --font: 'Poppins', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

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

/* ===== Top Bar ===== */
.top-bar {
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar__contact {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.top-bar__contact span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar__contact svg {
  width: 14px;
  height: 14px;
  fill: var(--accent);
  flex-shrink: 0;
}

.top-bar__links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar__links a:hover {
  color: var(--accent);
}

/* ===== Header / Nav ===== */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo__icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: var(--bg-primary);
}

.logo__text span {
  color: var(--accent);
}

.nav__menu {
  display: flex;
  gap: 32px;
}

.nav__menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 4px;
}

.nav__menu a:hover,
.nav__menu a.active {
  color: var(--text-primary);
}

.nav__menu a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

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

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 15px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

.nav__toggle svg {
  width: 28px;
  height: 28px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero__bg-circles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__bg-circles::before,
.hero__bg-circles::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.hero__bg-circles::before {
  width: 600px;
  height: 600px;
  top: -100px;
  right: -100px;
}

.hero__bg-circles::after {
  width: 400px;
  height: 400px;
  top: 50px;
  right: 200px;
  border-color: rgba(77, 191, 255, 0.06);
}

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

.hero__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero__title .highlight {
  display: inline-block;
  border: 2px solid var(--accent);
  padding: 2px 12px;
  color: var(--accent);
  font-size: 0.85em;
  vertical-align: middle;
  margin: 0 4px;
}

.hero__desc {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 480px;
  margin-bottom: 36px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-bottom: 40px;
}

.hero__stat-number {
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.hero__stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.hero__image {
  position: relative;
}

.hero__image img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.hero__image-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 16px 24px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(77, 191, 255, 0.3);
}

/* ===== Section Common ===== */
.section {
  padding: 100px 0;
}

.section--alt {
  background: var(--bg-secondary);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  margin-bottom: 16px;
}

.section__desc {
  color: var(--text-secondary);
  font-size: 16px;
}

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

.service-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.section--alt .service-card {
  background: var(--bg-primary);
}

.service-card:hover {
  border-color: rgba(77, 191, 255, 0.3);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(77, 191, 255, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.service-card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card__desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== About ===== */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__image {
  position: relative;
}

.about__image img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about__experience {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 24px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
}

.about__experience-number {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

.about__experience-text {
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
}

.about__content .section__badge,
.about__content .section__title {
  text-align: left;
}

.about__text {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 15px;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
}

.about__feature svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

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

.portfolio-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
}

.portfolio-card__image {
  position: relative;
  overflow: hidden;
}

.portfolio-card__image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-card__image img {
  transform: scale(1.05);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 34, 37, 0.9), transparent);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__tag {
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-card__body {
  padding: 20px;
  background: var(--bg-primary);
}

.portfolio-card__title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.portfolio-card__desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Process ===== */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.process-step__number {
  width: 48px;
  height: 48px;
  background: rgba(77, 191, 255, 0.1);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  margin: 0 auto 20px;
}

.process-step__title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.process-step__desc {
  font-size: 13px;
  color: var(--text-secondary);
}

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

.testimonial-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.testimonial-card__stars {
  color: #fbbf24;
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

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

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--bg-primary);
}

.testimonial-card__name {
  font-size: 14px;
  font-weight: 600;
}

.testimonial-card__role {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta {
  padding: 80px 0;
}

.cta__box {
  background: linear-gradient(135deg, rgba(77, 191, 255, 0.15), rgba(77, 191, 255, 0.05));
  border: 1px solid rgba(77, 191, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
}

.cta__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta__desc {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 32px;
  font-size: 16px;
}

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

/* ===== Contact ===== */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact__info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact__info-icon {
  width: 48px;
  height: 48px;
  background: rgba(77, 191, 255, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__info-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.contact__info-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact__info-value {
  font-size: 15px;
  font-weight: 500;
}

.contact__form {
  display: grid;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-topbar);
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 16px;
  max-width: 280px;
}

.footer__heading {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: var(--text-secondary);
  font-size: 14px;
}

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

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services__grid,
  .portfolio__grid,
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar__contact {
    display: none;
  }

  .nav__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav__menu.open {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .nav__actions .btn--primary span {
    display: none;
  }

  .hero__inner,
  .about__inner,
  .contact__inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 48px 0 64px;
  }

  .hero__image {
    order: -1;
  }

  .hero__stats {
    gap: 32px;
  }

  .services__grid,
  .portfolio__grid,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .process__steps {
    grid-template-columns: 1fr;
  }

  .about__features {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .cta__box {
    padding: 40px 24px;
  }

  .about__experience {
    right: 0;
    bottom: -16px;
  }
}