:root {
  --ink: #08151f;
  --ink-soft: #1d3342;
  --mist: #e6eef3;
  --paper: #f3f7f9;
  --line: rgba(8, 21, 31, 0.1);
  --accent: #0b9a84;
  --accent-deep: #067463;
  --lime: #d8f56a;
  --glow: rgba(11, 154, 132, 0.22);
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
  --radius: 20px;
  --max: 70rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  background: var(--paper);
  overflow-x: hidden;
}

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

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

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 45% at 8% -8%, rgba(11, 154, 132, 0.28), transparent 58%),
    radial-gradient(ellipse 55% 38% at 92% 0%, rgba(216, 245, 106, 0.32), transparent 52%),
    radial-gradient(ellipse 80% 55% at 70% 85%, rgba(8, 21, 31, 0.07), transparent 60%),
    linear-gradient(165deg, #f8fbfc 0%, #e8f0f4 42%, #dce8ef 100%);
}

.atmosphere::before {
  content: "";
  position: absolute;
  inset: -20% 40% auto -10%;
  height: 55%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.55), transparent 68%);
  filter: blur(40px);
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 68%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.95rem 1.25rem;
  backdrop-filter: blur(14px);
  background: rgba(243, 247, 249, 0.78);
  border-bottom: 1px solid rgba(8, 21, 31, 0.04);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.7rem;
  background: linear-gradient(145deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 18px var(--glow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:not(.nav-cta) {
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.nav a:not(.nav-cta):hover {
  opacity: 1;
}

.nav-cta {
  padding: 0.48rem 0.95rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--ink-soft);
  transform: translateY(-1px);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 10vw, 6rem) 1.25rem clamp(3.5rem, 8vw, 5.5rem);
  min-height: min(88vh, 50rem);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.brand-mark {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--ink);
}

.hero h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 2.8vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--ink-soft);
}

.lede {
  margin: 1.2rem 0 0;
  max-width: 36rem;
  font-size: 1.1rem;
  color: rgba(8, 21, 31, 0.7);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.85rem;
}

.hero-visual {
  position: relative;
  min-height: 18rem;
  display: grid;
  place-items: center;
}

.hero-orb {
  position: absolute;
  width: min(22rem, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(216, 245, 106, 0.55), transparent 42%),
    radial-gradient(circle at 70% 60%, rgba(11, 154, 132, 0.55), transparent 50%),
    linear-gradient(160deg, #123041, #0b9a84);
  filter: blur(2px);
  opacity: 0.9;
  animation: float 7s ease-in-out infinite;
}

.hero-panel {
  position: relative;
  z-index: 1;
  width: min(17rem, 86%);
  padding: 1.35rem 1.3rem;
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 24px 50px rgba(8, 21, 31, 0.12);
  backdrop-filter: blur(10px);
  animation: rise 7s ease-in-out infinite;
}

.hero-panel-label {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(11, 154, 132, 0.12);
  color: var(--accent-deep);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.hero-panel p {
  margin: 0.35rem 0 0;
  color: rgba(8, 21, 31, 0.62);
  font-size: 0.92rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-10px) scale(1.03); }
}

@keyframes rise {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.96rem;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 28px var(--glow);
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.btn-on-dark {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn-on-dark:hover {
  background: rgba(255, 255, 255, 0.2);
}

.about,
.projects,
.contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.25rem 1.25rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.78);
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.4rem;
}

.section-head h2,
.contact-panel h2 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.section-head p,
.contact-panel p {
  margin: 0;
  color: rgba(8, 21, 31, 0.7);
}

.about-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-points li {
  padding: 1.4rem 1.3rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(8, 21, 31, 0.06);
  box-shadow: 0 10px 28px rgba(8, 21, 31, 0.03);
  border-top: 3px solid var(--accent);
}

.about-points strong {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.about-points span {
  color: rgba(8, 21, 31, 0.66);
  font-size: 0.97rem;
}

.project-grid {
  display: grid;
  gap: 1.05rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 13rem;
  padding: 1.5rem 1.4rem 1.3rem;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.52));
  border: 1px solid rgba(8, 21, 31, 0.07);
  box-shadow: 0 14px 34px rgba(8, 21, 31, 0.045);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--lime), var(--accent));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(11, 154, 132, 0.35);
  box-shadow: 0 22px 44px rgba(8, 21, 31, 0.09);
}

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

.project-tag {
  align-self: flex-start;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.project-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.project-card p {
  margin: 0;
  flex: 1;
  color: rgba(8, 21, 31, 0.66);
  font-size: 0.98rem;
}

.project-url {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.contact {
  padding-bottom: 5rem;
}

.contact-panel {
  padding: clamp(2.1rem, 5vw, 3.2rem);
  border-radius: calc(var(--radius) + 8px);
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(216, 245, 106, 0.22), transparent 50%),
    linear-gradient(135deg, #0c9d87 0%, #066857 55%, #0a3d36 100%);
  color: #fff;
  box-shadow: 0 28px 55px var(--glow);
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 36rem;
  margin-bottom: 1.55rem;
}

.contact-panel .btn-primary {
  background: var(--lime);
  color: var(--ink);
  box-shadow: none;
}

.contact-panel .btn-primary:hover {
  background: #e7ff95;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: rgba(8, 21, 31, 0.55);
}

.footer-note {
  font-weight: 600;
  color: rgba(8, 21, 31, 0.7);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-delay="1"] { transition-delay: 0.08s; }
[data-delay="2"] { transition-delay: 0.16s; }
[data-delay="3"] { transition-delay: 0.24s; }

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2.5rem;
  }

  .hero-visual {
    order: -1;
    min-height: 14rem;
  }

  .hero-orb {
    width: min(16rem, 75%);
  }

  .about-points,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .nav a:not(.nav-cta) {
    display: none;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover,
  .project-card:hover,
  .nav-cta:hover {
    transform: none;
  }

  .hero-orb,
  .hero-panel {
    animation: none;
  }
}