/* =========================================================
   TOKENS
   ========================================================= */
:root {
  --white:        #FFFFFF;
  --ink:          #14152B;
  --ink-soft:     #5B5D78;
  --teal:         #19AFC4;
  --teal-deep:    #0E7C8C;
  --magenta:      #E0407E;
  --coral:        #F2916F;
  --mist:         #F6F7FA;
  --line:         #E6E8F0;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --max: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.01em; }

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

ul { list-style: none; }

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

::selection { background: var(--teal); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 3px;
}

section { padding: 7rem 1.5rem; }

.section-head { max-width: var(--max); margin: 0 auto 3.5rem; }

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  margin-top: 0.6rem;
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 1.5rem;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.nav.is-scrolled { border-bottom-color: var(--line); }

.nav__mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--ink);
  border-radius: 50%;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
}

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

.nav__links a {
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--magenta);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 1.5rem;
}

#constellation {
  position: absolute;
  top: 0; right: 0;
  width: 100%; height: 100%;
  opacity: 0.85;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-bottom: 1.2rem;
}

.hero__name {
  font-size: clamp(3rem, 9vw, 6.4rem);
  font-weight: 700;
  line-height: 0.96;
  background: linear-gradient(100deg, var(--ink) 40%, var(--teal-deep) 75%, var(--magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__role {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: var(--ink);
  margin-top: 1.4rem;
}

.hero__tagline {
  max-width: 480px;
  margin-top: 1.1rem;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.4rem;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.9rem 1.7rem;
  border-radius: 100px;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn--primary:hover {
  background: var(--teal-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(14, 124, 140, 0.5);
}

.btn--ghost {
  border: 1.5px solid var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--magenta);
  color: var(--magenta);
  transform: translateY(-2px);
}

.scroll-cue {
  position: absolute;
  bottom: 2.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: 22px; height: 36px;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  z-index: 2;
}

.scroll-cue span {
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 4px;
  margin-left: -2px;
  background: var(--magenta);
  border-radius: 50%;
  animation: cue 1.8s ease-in-out infinite;
}

@keyframes cue {
  0%   { top: 6px; opacity: 1; }
  70%  { top: 20px; opacity: 0; }
  100% { top: 20px; opacity: 0; }
}

/* =========================================================
   ABOUT
   ========================================================= */
.about__grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
}

.about__text p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  max-width: 52ch;
}

.cv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding-bottom: 3px;
  border-bottom: 1.5px solid var(--ink);
}

.cv-link svg { transition: transform 0.2s ease; }
.cv-link:hover svg { transform: translateY(2px); }

.skills-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 1.2rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 1.5rem;
}

.skills-grid li {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--teal    { background: var(--teal); }
.dot--magenta { background: var(--magenta); }
.dot--coral   { background: var(--coral); }

/* =========================================================
   PROJECTS
   ========================================================= */
.projects { background: var(--mist); }

.project {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  padding: 2.5rem 0;
}

.project + .project { border-top: 1px solid var(--line); padding-top: 4rem; margin-top: 1.5rem; }

.project--reverse .project__visual { order: 2; }
.project--reverse .project__content { order: 1; }

.project__visual {
  border-radius: 18px;
  padding: 2.2rem;
  position: relative;
  overflow: hidden;
}

.project__visual--teal {
  background: linear-gradient(160deg, #DFF6F9, #BDEAF0 60%, #9FE0E8);
}
.project__visual--magenta {
  background: linear-gradient(160deg, #FCE3ED, #F9C2D9 60%, #F5A8C9);
}

.mockup {
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 20px 40px -16px rgba(20, 21, 43, 0.25);
  overflow: hidden;
}

.mockup__bar {
  display: flex;
  gap: 5px;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
}
.mockup__bar span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--line);
}

.mockup__body { padding: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }

.mockup__block {
  background: var(--mist);
  border-radius: 5px;
  height: 28px;
}
.mockup__block--wide { height: 46px; }
.mockup__block--wide.short { height: 22px; width: 60%; }
.mockup__block--square { flex: 1; aspect-ratio: 1; height: auto; }

.mockup__row { display: flex; gap: 0.6rem; }

.project__index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.project__content h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  margin: 0.4rem 0 0.9rem;
}

.project__content > p {
  color: var(--ink-soft);
  max-width: 48ch;
  margin-bottom: 1.3rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tags li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--white);
}

.project__links { display: flex; gap: 1.6rem; }

.project__links a {
  font-weight: 600;
  font-size: 0.92rem;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.project__links a:hover { border-color: currentColor; color: var(--teal-deep); }

.project__screenshot {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 40px -16px rgba(20, 21, 43, 0.25);
  display: block;
}

/* =========================================================
   VIDEO GALLERY
   ========================================================= */
.video-gallery {
  margin-top: 1.4rem;
}

.video-gallery__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 0.8rem;
}

.video-gallery__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.video-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--white);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.video-item:hover {
  border-color: var(--magenta);
  color: var(--magenta);
  transform: translateX(4px);
}

.video-item__icon {
  font-size: 0.7rem;
  color: var(--magenta);
  flex-shrink: 0;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact__grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 4rem;
}

.contact__intro {
  grid-column: 1 / -1;
  color: var(--ink-soft);
  max-width: 60ch;
  font-size: 1.05rem;
  margin-bottom: -1rem;
}

.field { margin-bottom: 1.2rem; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.field input,
.field textarea {
  width: 100%;
  border: none;
  border-bottom: 1.5px solid var(--line);
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.6rem 0.1rem;
  color: var(--ink);
  resize: vertical;
  transition: border-color 0.2s ease;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--magenta);
}

.contact__form button { margin-top: 0.5rem; }

.form-status {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  font-family: var(--font-mono);
  color: var(--teal-deep);
  min-height: 1.2em;
}

.contact__direct {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding-top: 0.3rem;
}

.direct-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
  transition: transform 0.2s ease;
}

.direct-link:hover { transform: translateX(6px); color: var(--magenta); }

.direct-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px) {
  .about__grid,
  .project,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .project--reverse .project__visual { order: 1; }
  .project--reverse .project__content { order: 2; }

  .nav__links { gap: 1.2rem; }

  section { padding: 5rem 1.25rem; }
}

@media (max-width: 480px) {
  .nav__links a { font-size: 0.82rem; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-cue span { animation: none; top: 14px; opacity: 1; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}