/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a25;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b5;
  --accent: #00d4aa;
  --accent-alt: #0088ff;
  --gradient: linear-gradient(135deg, #00d4aa, #0088ff);
  --gradient-hover: linear-gradient(135deg, #0088ff, #00d4aa);
  --border-color: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== HEADER / NAV ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.95);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

.nav-cta {
  padding: 8px 20px;
  background: var(--gradient);
  color: var(--bg-primary) !important;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.875rem;
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: var(--bg-primary) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(0, 212, 170, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(0, 136, 255, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
}

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

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

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 36px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--gradient);
  color: var(--bg-primary);
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    opacity var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 212, 170, 0.05);
}

/* ===== ABOUT ===== */
.about {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  padding: 36px 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 170, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.service-tags span {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(0, 212, 170, 0.08);
  color: var(--accent);
  border-radius: 100px;
  font-weight: 500;
}

/* ===== PORTFOLIO ===== */
.portfolio {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 15, 0.9) 0%,
    rgba(10, 10, 15, 0) 60%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.portfolio-overlay span {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
}

/* ===== WHY CHOOSE ME ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.why-card {
  padding: 32px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.why-card:hover {
  border-color: rgba(0, 212, 170, 0.2);
  transform: translateY(-4px);
}

.why-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  background: rgba(0, 212, 170, 0.08);
  border-radius: 14px;
  font-size: 1.5rem;
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.why-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.testimonial-card:hover {
  border-color: rgba(0, 212, 170, 0.15);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: #f5a623;
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bg-primary);
}

.testimonial-author-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-author-info span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
  font-size: 0.95rem;
}

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

.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
  color: var(--text-primary);
}

.contact-method:hover {
  border-color: rgba(0, 212, 170, 0.2);
  background: var(--bg-card);
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 10px;
  flex-shrink: 0;
}

.contact-method-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}

.contact-method div h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-method div span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.contact-form {
  padding: 36px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(160, 160, 181, 0.5);
}

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

.form-group .error-text {
  font-size: 0.78rem;
  color: #ff5c5c;
  margin-top: 6px;
  display: none;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #ff5c5c;
}

.form-group.error .error-text {
  display: block;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--gradient);
  color: var(--bg-primary);
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    opacity var(--transition),
    transform var(--transition);
  font-family: inherit;
}

.btn-submit:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form-success.show {
  display: block;
}

.form-success svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  stroke: var(--accent);
}

.form-success h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-success p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-size: 1.15rem;
  font-weight: 700;
}

.footer-logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.footer-social a:hover {
  border-color: var(--accent);
  background: rgba(0, 212, 170, 0.08);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
  fill: var(--text-secondary);
  transition: fill var(--transition);
}

.footer-social a:hover svg {
  fill: var(--accent);
}

.footer-copyright {
  width: 100%;
  text-align: center;
  padding-top: 24px;
  margin-top: 8px;
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  transform: translateY(-10px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  pointer-events: none;
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  transition: color var(--transition);
}

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

.mobile-menu .nav-cta {
  display: inline-block;
  text-align: center;
  margin-top: 16px;
  padding: 14px 28px;
  border-bottom: none;
}

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

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

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

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

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

  .menu-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .section {
    padding: 72px 0;
  }

  .services-grid,
  .portfolio-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .about-stats {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}