:root {
  --accent: #588891;
  --accent-rgb: 88, 136, 145;
  --bg: #0a0a0b;
  --fg: #ededed;
  --muted: #8a8a8a;
  --border: rgba(255, 255, 255, 0.12);
  --font-bebas: "Bebas Neue", "Arial Narrow", sans-serif;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html,
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  position: relative;
}

/* Grid background */
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Noise overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* Side nav */
.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 80px;
  border-right: 1px solid var(--border);
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(6px);
  z-index: 5;
}

@media (max-width: 767px) {
  .side-nav {
    display: none;
  }
}

/* Hero */
main {
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 1.5rem 6rem 1.75rem;
}

@media (min-width: 768px) {
  .hero {
    padding: 4rem 3rem 4rem 7rem;
  }
}

.hero-inner {
  width: 100%;
  max-width: 100%;
}

/* Animated word */
.word {
  display: inline-flex;
  gap: 0.08em;
  align-items: center;
  cursor: pointer;
  perspective: 1000px;
  user-select: none;
}

.letter {
  position: relative;
  display: inline-block;
  font-family: var(--font-bebas);
  font-weight: 400;
  font-size: clamp(4rem, 15vw, 14rem);
  line-height: 1;
  width: 0.65em;
  height: 1.05em;
  perspective: 900px;
  opacity: 0;
  transform: translateY(20px);
  animation: letter-in 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Inner 3D container that flips between faces */
.letter::before {
  /* reserved */
  content: none;
}

.letter > .face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background-color: rgba(var(--accent-rgb), 0.18);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1),
              background-color 0.2s ease;
}

/* horizontal split line on each face */
.face::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 50%;
  height: 1px;
  background: rgba(0, 0, 0, 0.28);
  z-index: 10;
  pointer-events: none;
}

.face-front {
  transform: rotateX(0deg);
}

.face-back {
  transform: rotateX(180deg);
}

.letter.flipped .face-front {
  transform: rotateX(-180deg);
}

.letter.flipped .face-back {
  transform: rotateX(0deg);
}

.letter-half {
  position: absolute;
  inset-inline: 0;
  display: flex;
  justify-content: center;
  overflow: hidden;
  color: var(--accent);
}

.letter-half.top {
  top: 0;
  bottom: 50%;
  align-items: flex-end;
}

.letter-half.top span {
  transform: translateY(0.52em);
  display: block;
  line-height: 1;
}

.letter-half.bottom {
  top: 50%;
  bottom: 0;
  align-items: flex-start;
}

.letter-half.bottom span {
  transform: translateY(-0.52em);
  display: block;
  line-height: 1;
}

@keyframes letter-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Name */
.name {
  font-family: var(--font-bebas);
  font-weight: 400;
  color: rgba(237, 237, 237, 0.55);
  font-size: clamp(1rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  margin-top: 1rem;
}

/* Tagline */
.tagline {
  margin-top: 3rem;
  max-width: 28rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Actions */
.actions {
  margin-top: 4rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid rgba(237, 237, 237, 0.2);
  background: transparent;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--fg);
  cursor: pointer;
  text-transform: uppercase;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.contact-btn svg {
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.contact-btn:hover svg {
  transform: rotate(45deg);
}

/* Social */
.social {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  display: inline-block;
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.social:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (min-width: 768px) {
  .social {
    right: 3rem;
    bottom: 3rem;
  }
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  animation: fade-in 0.25s ease forwards;
}

.modal-panel {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: #0f0f11;
  border: 1px solid var(--border);
  padding: 2.5rem 2rem 2rem;
  animation: panel-in 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s ease;
}

.modal-close:hover {
  color: var(--accent);
}

.modal-title {
  font-family: var(--font-bebas);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.04em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  font-family: var(--font-sans);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  padding: 0.6rem 0.1rem;
  font-size: 0.95rem;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
}

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

.submit-btn {
  margin-top: 0.5rem;
  display: inline-block;
  width: 100%;
  border: 1px solid rgba(237, 237, 237, 0.2);
  background: transparent;
  padding: 0.95rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--fg);
  cursor: pointer;
  text-transform: uppercase;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.submit-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
}

.form-feedback {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  min-height: 1em;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tablet / iPad tweaks */
@media (min-width: 768px) and (max-width: 1024px) {
  .hero {
    padding-left: 6rem;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .hero {
    padding: 5rem 1rem 5rem 1rem;
  }

  .actions {
    margin-top: 3rem;
  }

  .social {
    right: 1rem;
    bottom: 1rem;
  }
}