/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.7);
  --pad-x: 2.5rem;
  --pad-y: 1.75rem;
}

html,
body {
  height: 100%;
}

/* Prevent iOS Safari from auto-scaling the layout on orientation change
   (the portrait layout would otherwise get zoomed to the landscape width
   instead of reflowing at the new breakpoint). */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: "Oswald", "Arial Narrow", sans-serif;
  color: var(--white);
  background: #111;
  -webkit-font-smoothing: antialiased;
  overflow: hidden; /* homepage fits the viewport, no scrolling */
}

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

/* ---------- Hero (full viewport) ---------- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh; /* fits mobile browser chrome when supported */
  overflow: hidden;
}

/* Background layer.
   On large screens the video is injected here, so we keep a plain dark colour
   underneath (NOT the photo) to avoid a flash of the still image before the
   video starts. The photo is used only on small screens (see media query). */
.hero__bg {
  position: absolute;
  inset: 0;
  background: #0d0d0d;
  z-index: 0;
}

/* The injected <video> fills the same layer and fades in once it can play,
   so it doesn't pop in over the dark background. */
.hero__bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero__bg video.is-ready {
  opacity: 1;
}

/* Subtle darkening so text stays legible */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.15) 35%,
    rgba(0, 0, 0, 0.15) 65%,
    rgba(0, 0, 0, 0.35) 100%
  );
}

/* ---------- Header ---------- */
.header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pad-y) var(--pad-x);
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  height: 80px;
  width: auto;
  display: block;
  /* Recolor the black/gray logo to solid white so it stays visible
     on the dark hero background (the PNG has a transparent background). */
  filter: brightness(0) invert(1);
}

/* Desktop navigation — centered horizontally */
.nav {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 2.5rem;
}

.nav__link {
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--white);
  opacity: 0.92;
  transition: opacity 0.2s ease;
}

.nav__link:hover,
.nav__link--active {
  opacity: 1;
}

/* Language switch (flag + code) */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  transition: opacity 0.2s ease;
}

.lang-switch:hover {
  opacity: 0.8;
}

.lang-switch__flag {
  width: 26px;
  height: 17px;
  display: block;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.lang-switch__code {
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* The in-menu switch is only shown inside the mobile dropdown. */
.lang-switch--menu {
  display: none;
}

/* Mobile menu button — hidden on large screens */
.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.85rem;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  font-family: inherit;
}

.menu-toggle__label {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.menu-toggle__icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
}

.menu-toggle__icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transform-origin: center;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* ---------- Centered content ---------- */
.hero__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 1.5rem;
}

.hero__title {
  font-weight: 600;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.hero__subtitle {
  margin-top: 1.1rem;
  font-weight: 300;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  letter-spacing: 0.02em;
  color: var(--muted);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 2rem;
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  font-weight: 400;
}

.hero__cta-text {
  border-bottom: 1px solid var(--white);
  padding-bottom: 3px;
  transition: opacity 0.2s ease;
}

.hero__cta:hover .hero__cta-text {
  opacity: 0.8;
}

/* ---------- Simple background for inner pages ---------- */
/* Projects & Contact use a plain dark background instead of the hero image. */
body.page-contact .hero__bg,
body.page-projects .hero__bg {
  background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
}

/* ---------- Contact page ---------- */
/* The contact page needs to scroll on short screens, unlike the homepage. */
body.page-contact {
  overflow-y: auto;
}

body.page-contact .hero {
  height: auto;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Give the form room to breathe under the fixed header. */
body.page-contact .hero__content {
  position: relative;
  padding: 9rem 1.5rem 4rem;
  justify-content: flex-start;
}

.contact {
  width: 100%;
  max-width: 560px;
  text-align: center;
}

.contact__title {
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.contact__intro {
  margin-top: 1rem;
  font-weight: 300;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--muted);
}

.contact-form {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: left;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.field__label {
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
}

.field__input {
  font-family: inherit;
  font-size: 1.05rem;
  color: var(--white);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.field__input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.field__input:focus {
  outline: none;
  border-color: var(--white);
  background: rgba(0, 0, 0, 0.5);
}

.field__input--area {
  resize: vertical;
  min-height: 8rem;
}

.contact-form__submit {
  align-self: flex-start;
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: #000;
  background: var(--white);
  border: 1px solid var(--white);
  border-radius: 4px;
  padding: 0.75rem 2.25rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.contact-form__submit:hover {
  background: transparent;
  color: var(--white);
}

.contact-form__submit[disabled] {
  opacity: 0.55;
  cursor: default;
}

.contact-form__status {
  min-height: 1.4em;
  font-size: 1rem;
  font-weight: 300;
}

.contact-form__status--ok {
  color: #7ee0a2;
}

.contact-form__status--error {
  color: #ff8b8b;
}

/* ---------- Projects page ---------- */
/* Like the contact page, this one scrolls rather than locking to the viewport. */
body.page-projects {
  overflow-y: auto;
}

body.page-projects .hero {
  height: auto;
  min-height: 100vh;
  min-height: 100dvh;
}

body.page-projects .hero__content {
  position: relative;
  padding: 9rem 2.5rem 5rem;
  justify-content: flex-start;
}

.projects {
  width: 100%;
  max-width: 1200px;
  text-align: center;
}

.projects__title {
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.projects__intro {
  margin-top: 1rem;
  font-weight: 300;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--muted);
}

.projects-grid {
  margin-top: 3rem;
  display: grid;
  /* min(100%, 300px) lets a column shrink below 300px on narrow screens
     instead of overflowing the viewport. */
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 2.5rem 2rem;
  text-align: left;
}

.project {
  display: flex;
  flex-direction: column;
}

/* Clickable thumbnail — 16:9 image that zooms slightly on hover. */
.project__thumb {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
}

.project__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.project__thumb:hover img {
  transform: scale(1.05);
  opacity: 0.9;
}

.project__title {
  margin-top: 1.1rem;
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.project__synopsis {
  margin-top: 0.6rem;
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Accessible off-screen element (honeypot). */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive: small screens ---------- */
@media (max-width: 768px) {
  :root {
    --pad-x: 1.5rem;
    --pad-y: 1.5rem;
  }

  /* Small screens use the still image (no video is downloaded here). */
  .hero__bg {
    background: url("assets/image.png") center center / cover no-repeat;
  }

  /* Navigation becomes a black dropdown panel below the header */
  .nav {
    position: absolute;
    top: 100%; /* directly under the header, whatever its height */
    left: 0;
    right: 0;
    transform: translateY(-8px);
    flex-direction: column;
    align-items: flex-start;
    gap: 1.6rem;
    padding: 2.25rem var(--pad-x) 2.75rem;
    background: #000;
    /* Closed by default */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  /* Small caret pointing up toward the Menu button */
  .nav::before {
    content: "";
    position: absolute;
    top: -9px;
    right: 66px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #000;
  }

  .nav__link {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    opacity: 1;
  }

  /* Open state */
  .menu-open .nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .menu-toggle {
    display: inline-flex;
  }

  /* Hamburger morphs into an X when open */
  .menu-open .menu-toggle__icon span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

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

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

  .logo img {
    height: 64px;
  }

  .hero__title {
    font-size: 2rem;
    letter-spacing: 0.03em;
  }

  .hero__subtitle {
    margin-top: 0.9rem;
    font-size: 0.9rem;
    max-width: 100%;
  }

  .hero__cta {
    margin-top: 1.75rem;
  }

  /* Language switch moves from the top bar into the hamburger menu. */
  .lang-switch--top {
    display: none;
  }

  .lang-switch--menu {
    display: inline-flex;
    margin-top: 0.75rem;
    padding-left: 0;
  }

  /* Inner pages: tighter padding and single-column layout on phones. */
  body.page-projects .hero__content,
  body.page-contact .hero__content {
    padding: 6.5rem 1.25rem 3rem;
  }

  .projects-grid {
    margin-top: 2rem;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .projects__title,
  .contact__title {
    font-size: 2rem;
  }

  .project__title {
    font-size: 1.3rem;
  }

  .contact-form {
    margin-top: 2rem;
  }
}