:root {
  --bg: #07070f;
  --bg-2: #0c0c18;
  --surface: #11111f;
  --surface-2: #161629;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(139, 92, 246, 0.45);
  --text: #f4f4fb;
  --muted: #a3a3bd;
  --primary: #7c3aed;
  --primary-2: #8b5cf6;
  --accent: #6366f1;
  --gradient: linear-gradient(90deg, #8b5cf6 0%, #6366f1 60%, #818cf8 100%);
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 20px 50px -20px rgba(124, 58, 237, 0.45);
  --header-h: 72px;
  --font: "Poppins", system-ui, sans-serif;
  --font-hand: "Caveat", cursive;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

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

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

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

.handwritten {
  font-family: var(--font-hand);
  color: #e9e5ff;
  line-height: 1.1;
  transform: rotate(-8deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
  white-space: nowrap;
}

.btn i {
  transition: transform 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:hover .fa-arrow-right {
  transform: translateX(4px);
}

.btn--primary {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: var(--shadow);
}

.btn--primary:hover {
  box-shadow: 0 20px 50px -12px rgba(124, 58, 237, 0.7);
}

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

.btn--outline:hover {
  background: rgba(139, 92, 246, 0.12);
  border-color: var(--primary-2);
}

.btn--sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.82rem;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--primary-2);
  font-size: 0.85rem;
  font-weight: 500;
}

.link i {
  transition: transform 0.25s;
}

.link:hover i {
  transform: translateX(4px);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(7, 7, 15, 0.8);
  backdrop-filter: blur(14px);
  border-color: var(--border);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient);
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
}

.logo__text b {
  font-weight: 700;
  color: var(--primary-2);
}

.nav__menu {
  display: flex;
  gap: 2rem;
}

.nav__link {
  position: relative;
  font-size: 0.88rem;
  color: var(--muted);
  transition: color 0.25s;
  padding: 0.3rem 0;
  white-space: nowrap;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
  transform: translateX(-50%);
  transition: width 0.3s;
}

.nav__link:hover,
.nav__link.active {
  color: var(--text);
}

.nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav__toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Common sections ---------- */
.section {
  padding: 6rem 0;
}

.section--tight {
  padding: 3.5rem 0;
}

.section__head {
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.section__head--row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.section__head--row > div {
  max-width: 640px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section__text {
  color: var(--muted);
  font-size: 0.95rem;
}

.section__text--sm {
  font-size: 0.88rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  background:
    radial-gradient(60% 50% at 80% 20%, rgba(124, 58, 237, 0.25), transparent 70%),
    radial-gradient(40% 40% at 10% 80%, rgba(99, 102, 241, 0.12), transparent 70%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 3rem;
}

.hero__title {
  font-size: clamp(2.4rem, 5.2vw, 3.9rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.4rem;
}

.hero__text {
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.8rem;
}

.stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat > span {
  font-size: 0.8rem;
  color: var(--muted);
}

.hero__visual {
  position: relative;
}

.hero__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px -30px rgba(124, 58, 237, 0.6);
  aspect-ratio: 4 / 3;
}

.hero__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.1) brightness(0.85);
}

.hero__glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.15), rgba(7, 7, 15, 0.55));
  mix-blend-mode: multiply;
}

.hero__note {
  position: absolute;
  top: -1.5rem;
  right: -0.5rem;
  font-size: 1.6rem;
  text-align: center;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: rotate(-8deg) translateY(0); }
  50% { transform: rotate(-8deg) translateY(-8px); }
}

.tech-strip {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.5rem;
  margin-top: 3.5rem;
  padding: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.tech-strip li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.5rem;
  border-radius: 10px;
  transition: transform 0.25s, background 0.25s;
}

.tech-strip li:hover {
  transform: translateY(-4px);
  background: var(--surface-2);
}

.tech-strip i {
  font-size: 1.8rem;
}

/* ---------- Projects ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.project {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}

.project:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.project__img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.project:hover .project__img img {
  transform: scale(1.08);
}

.project__body {
  padding: 1.1rem 1.2rem 1.3rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.tags span {
  font-size: 0.68rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.project h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.project p {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

/* ---------- About ---------- */
.about {
  position: relative;
  background: var(--bg-2);
  border-block: 1px solid var(--border);
  overflow: hidden;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 520px;
}

.about__visual {
  position: relative;
  height: 100%;
  min-height: 420px;
}

.about__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7) saturate(1.1);
  -webkit-mask-image: linear-gradient(90deg, #000 60%, transparent);
  mask-image: linear-gradient(90deg, #000 60%, transparent);
}

.about__note {
  position: absolute;
  top: 18%;
  right: 12%;
  font-size: 1.7rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.9);
}

.about__content {
  padding: 4rem 4vw 4rem 2rem;
  max-width: 620px;
}

.about__features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.about__features li {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.about__features i {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--border-strong);
  color: var(--primary-2);
}

/* ---------- Services ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.service {
  padding: 1.8rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}

.service:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.service__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
}

.service__icon--blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.service__icon--purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.service__icon--green { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.service__icon--orange { background: rgba(249, 115, 22, 0.15); color: #fb923c; }

.service h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.service p {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Skills ---------- */
.skills {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 1rem;
}

.skills li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.3rem 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.78rem;
  color: var(--muted);
  transition: transform 0.3s, border-color 0.3s;
}

.skills li:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
}

.skills i {
  font-size: 2rem;
}

/* ---------- Testimonials ---------- */
.slider__controls {
  display: flex;
  gap: 0.6rem;
}

.slider__btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background 0.25s, border-color 0.25s;
}

.slider__btn:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.slider {
  overflow: hidden;
}

.slider__track {
  display: flex;
  gap: 1.4rem;
  transition: transform 0.5s ease;
}

.testimonial {
  flex: 0 0 calc((100% - 2.8rem) / 3);
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.testimonial img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--border-strong);
}

.testimonial p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.testimonial h4 {
  font-size: 0.92rem;
}

.testimonial span {
  font-size: 0.75rem;
  color: var(--muted);
}

.stars {
  margin-top: 0.3rem;
  color: #facc15;
  font-size: 0.75rem;
  display: flex;
  gap: 2px;
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: 5rem 0;
  background:
    radial-gradient(50% 80% at 85% 50%, rgba(124, 58, 237, 0.3), transparent 70%),
    var(--bg-2);
  border-block: 1px solid var(--border);
  overflow: hidden;
}

.cta__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 3rem;
}

.cta__content .section__text {
  margin-bottom: 2rem;
}

.cta__visual {
  display: flex;
  justify-content: center;
}

.cta__monitor {
  position: relative;
  width: min(340px, 100%);
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  background: #050509;
  border: 10px solid #1b1b2b;
  border-radius: 14px;
  box-shadow: 0 30px 80px -20px rgba(124, 58, 237, 0.7);
}

.cta__monitor::after {
  content: "";
  position: absolute;
  bottom: -46px;
  left: 50%;
  width: 70px;
  height: 36px;
  background: #1b1b2b;
  transform: translateX(-50%);
  border-radius: 0 0 8px 8px;
}

.cta__monitor p {
  font-family: "Courier New", monospace;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: #e5e7eb;
}

.cta__monitor p::after {
  content: "_";
  animation: blink 1s steps(1) infinite;
  color: var(--primary-2);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ---------- Footer ---------- */
.footer {
  padding: 4rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.footer__brand p {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 1rem 0 1.2rem;
  max-width: 280px;
}

.socials {
  display: flex;
  gap: 0.7rem;
}

.socials a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--muted);
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.socials a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer h4 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.footer__links li,
.footer__contact li {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.55rem;
}

.footer__links a:hover {
  color: var(--primary-2);
}

.footer__contact i {
  width: 20px;
  color: var(--primary-2);
}

.footer__note {
  font-size: 1.5rem;
  text-align: center;
  align-self: center;
}

.footer__note i {
  color: var(--primary-2);
  font-size: 1.1rem;
}

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__note, .cta__monitor p::after { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .projects,
  .services {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills {
    grid-template-columns: repeat(5, 1fr);
  }

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

  .testimonial {
    flex-basis: calc((100% - 1.4rem) / 2);
  }

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

@media (max-width: 1100px) and (min-width: 901px) {
  .nav__menu {
    gap: 1.4rem;
  }

  .nav__cta {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav__menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 1rem 4%;
    background: rgba(7, 7, 15, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s, opacity 0.35s;
  }

  .nav__menu.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    display: block;
    padding: 0.9rem 0;
    font-size: 1rem;
  }

  .nav__link::after {
    display: none;
  }

  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__grid,
  .about__grid,
  .cta__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
  }

  .tech-strip {
    grid-template-columns: repeat(4, 1fr);
  }

  .about__visual img {
    -webkit-mask-image: linear-gradient(180deg, #000 60%, transparent);
    mask-image: linear-gradient(180deg, #000 60%, transparent);
  }

  .about__content {
    padding: 2rem 4% 4rem;
    max-width: none;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 4rem 0;
  }

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

  .skills {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero__stats {
    gap: 1.5rem;
  }

  .stat strong {
    font-size: 1.5rem;
  }

  .hero__note {
    font-size: 1.2rem;
    top: -1rem;
    right: 0;
  }

  .testimonial {
    flex-basis: 100%;
  }

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

  .btn {
    white-space: normal;
  }
}