:root {
  --navy: #06162c;
  --deep: #0b2346;
  --azure: #46b4ff;
  --sky: #8ad3ff;
  --cyan: #b5f1ff;
  --glass-bg: rgba(135, 206, 235, 0.12);
  --glass-border: rgba(173, 216, 230, 0.3);
  --shadow: 0 8px 32px rgba(0, 40, 80, 0.4);
  --text: #e8f6ff;
  --muted: #b8d6ea;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background: radial-gradient(circle at top, #173c6b 0%, #07192f 45%, #040b18 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

mark {
  background: #0b2346;
  color: var(--text);
}

img {
  max-width: 100%;
  display: block;
  border-radius: 14px;
}

section {
  padding: 96px 6vw;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 6vw;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border-radius: 999px;
}

.logo {
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

.nav-links a {
  position: relative;
  padding-bottom: 6px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--sky);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
}

.primary-btn,
.ghost-btn {
  border: none;
  border-radius: 20px;
  padding: 12px 20px;
  font-weight: 400;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.primary-btn {
  background: linear-gradient(120deg, var(--sky), var(--azure));
  color: #06162c;
  box-shadow: 0 8px 20px rgba(70, 180, 255, 0.35);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(70, 180, 255, 0.5);
}

.ghost-btn {
  background: rgba(6, 22, 44, 0.4);
  color: var(--text);
  border: 1px solid rgba(138, 211, 255, 0.4);
}

.ghost-btn:hover {
  transform: translateY(-2px);
  border-color: var(--sky);
  box-shadow: 0 10px 22px rgba(70, 180, 255, 0.25);
}

.submit-btn {
  font-weight: 400;
  font-size: 16px;
  padding: 16px 18px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  min-height: 100vh;
  align-items: center;
  padding-top: 140px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #8ad3ff 0%, #1f4d8a 35%, #041325 80%);
  opacity: 0.35;
  animation: gradientFlow 12s ease-in-out infinite alternate;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1.1;
  margin-bottom: 18px;
}

.hero-sub {
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 26px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  z-index: 2;
  padding: 1px;
  border-radius: 20px;
}

.floating-particles {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(181, 241, 255, 0.6) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.35;
  animation: floatParticles 18s linear infinite;
}

.light-rays {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    120deg,
    rgba(138, 211, 255, 0.08),
    rgba(138, 211, 255, 0.01) 120px
  );
  opacity: 0.5;
  pointer-events: none;
  mix-blend-mode: screen;
}

.about {
  max-width: 1100px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: start;
}

.about-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 24px;
  padding: 2px;
  border-radius: 24px;
}

.about-card.glass {
  border: none;
}

.about-card-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding: 28px;
  background: #223C5D;
  border-radius: calc(20px - 2px);
}

.about-image {
  padding: 28px;
  border-radius: 20px;
  max-height: 640px;
  max-width: 480px;
}

.about-text {
  padding: 12px;
  border-radius: 20px;
}

.about-image img {
  height: 100%;
  object-fit: cover;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}

.project-card {
  display: flex;
  position: relative;
  overflow: hidden;
  padding: 2px;
  border-radius: 20px;
  transition: var(--transition);
}

.project-card.glass {
  border: none;
}

.project-card-content {
  position: relative;
  z-index: 1;
  background: #1B2B3F;
  border-radius: calc(20px - 2px);
  padding: 20px;
}

.animated-border-box,
.animated-border-box-glow {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  border-radius: inherit;
  pointer-events: none;
}

.animated-border-box-glow {
  filter: blur(20px);
}

.animated-border-box::before,
.animated-border-box-glow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0deg);
  width: 99999px;
  height: 99999px;
  background-repeat: no-repeat;
  background-position: 0 0;
  background-image: conic-gradient(
    rgba(0, 0, 0, 0),
    #1976ed,
    rgba(0, 0, 0, 0) 25%
  );
  animation: rotate 4s linear infinite;
}

.animated-border-box::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 2px;
  top: 2px;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  background: var(--glass-bg);
  border-radius: calc(20px - 2px);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(70, 180, 255, 0.3);
}

.project-card h3 {
  margin: 16px 0 10px;
}

@keyframes rotate {
  100% {
    transform: translate(-50%, -50%) rotate(1turn);
  }
}

@media (prefers-reduced-motion: reduce) {
  .animated-border-box::before,
  .animated-border-box-glow::before {
    animation: none;
  }
}

.why-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.flow-step {
  padding: 24px;
  border-radius: 18px;
  position: relative;
  transition: var(--transition);
}

.flow-step i {
  font-size: 1.4rem;
  color: var(--sky);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(70, 180, 255, 0.12);
  border: 1px solid rgba(138, 211, 255, 0.3);
  margin-bottom: 12px;
}

.flow-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(70, 180, 255, 0.25);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.skill-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 16px;
  font-weight: 500;
  background: transparent;
  border: none;
  box-shadow: none;
  min-width: 0;
}

.skill-card i {
  font-size: 1.2rem;
  color: var(--sky);
  background: rgba(70, 180, 255, 0.12);
  border: 1px solid rgba(138, 211, 255, 0.3);
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .skill-grid {
    grid-template-columns: 1fr;
  }
}

.carousel {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s ease;
}

.testimonial {
  min-width: 100%;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(138, 211, 255, 0.5);
  box-shadow: 0 8px 20px rgba(70, 180, 255, 0.3);
  flex-shrink: 0;
}

.testimonial-header h4 {
  margin: 0;
}

.testimonial-header h4 a {
  color: var(--sky);
  transition: var(--transition);
  display: inline-block;
  cursor: pointer;
}

.testimonial-header h4 a:hover {
  color: var(--cyan);
  text-decoration: underline;
}

.testimonial-quote {
  margin: 0;
}

.testimonial-quote p {
  margin: 0;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding: 28px;
  border-radius: 24px;
}

.contact-form {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.input-group {
  display: grid;
  gap: 8px;
}

.input-group input,
.input-group textarea {
  background: rgba(6, 22, 44, 0.6);
  border: 1px solid rgba(138, 211, 255, 0.3);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 2px rgba(138, 211, 255, 0.25);
}

.input-group textarea {
  resize: vertical;
}

.contact-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.contact-image {
  min-width: 0;
}

.form-feedback {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(76, 175, 80, 0.2);
  border: 1px solid rgba(76, 175, 80, 0.5);
  color: #a8e6a1;
}

.form-feedback.error {
  display: block;
  background: rgba(244, 67, 54, 0.2);
  border: 1px solid rgba(244, 67, 54, 0.5);
  color: #ff9999;
}

.footer {
  padding: 40px 6vw;
  background: #041325;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}

.socials {
  display: flex;
  gap: 16px;
}

.socials a:hover {
  color: var(--sky);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 10, 20, 0.6);
}

.modal-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  border-radius: 24px;
  max-width: 480px;
  width: 90%;
}

.modal-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.modal-form input,
.modal-form textarea {
  background: rgba(6, 22, 44, 0.6);
  border: 1px solid rgba(138, 211, 255, 0.3);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
}

.modal-form textarea {
  resize: vertical;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

@keyframes gradientFlow {
  0% { transform: scale(1) translateY(0); }
  100% { transform: scale(1.1) translateY(20px); }
}

@keyframes floatParticles {
  0% { background-position: 0 0; }
  100% { background-position: 200px 200px; }
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 72px;
    right: 6vw;
    background: rgba(6, 22, 44, 0.9);
    flex-direction: column;
    padding: 18px;
    border-radius: 18px;
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 900px) {
  .why-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .why-flow {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  section {
    padding: 80px 6vw;
  }

  .nav {
    padding: 12px 16px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .contact-image img {
    max-height: 360px;
    object-position: center;
  }
}