/* ------------------------
   RESET & BASE
------------------------- */

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

body {
  font-family: "atkinson hyperlegible mono", monospace;
  font-weight: 400;
  background-color: var(--colour2);
  color: rgb(0, 0, 0);
}

h1 { font-weight: 500; letter-spacing: normal; color: var(--colour1); }
h2, h3 { font-weight: 500; letter-spacing: normal; color: rgb(0, 0, 0); }
h4 { font-weight: 600; letter-spacing: normal; color: rgb(0, 0, 0); }

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

.outline-text {
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke-width: 2px;
  -webkit-text-stroke-color: var(--colour1);
  color: transparent;
}

/* ------------------------
   TYPE SCALE
------------------------- */

html { 
  font-size: 16px; 
  overflow-x: hidden;
}

body {
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  color: #111;
  text-align: left;
  overflow-x: hidden;
}

h1 { font-size: 3rem; line-height: 1.25; letter-spacing: .05em; }
h2 { font-size: 1.5rem; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; line-height: 1.3; letter-spacing: 0.02em; text-transform: uppercase; }
h4 { font-size: 1rem; line-height: 1.4; letter-spacing: 0.02em; text-transform: uppercase; }

p { font-size: .875rem; max-width: 65ch; letter-spacing: 0.02em; }

/* ------------------------
   SPACING & COLORS
------------------------- */

:root {
  --section-space: clamp(2.5rem, 6vh, 5rem);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --colour1: rgb(0, 0, 0);
  --colour2: #fbeb82;
}

/* ------------------------
   LAYOUT UTILS
------------------------- */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);  
  padding-block: 3rem;
  background-color: var(--colour2);
}

.section-title { font-size: 1.5rem; margin-bottom: .01rem; text-align: center; }

/* ------------------------
   HEADER / NAV
------------------------- */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  padding: 0.5rem 0;
  background: var(--colour2);
}

.site-header .container { background: none; padding-block: 0; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.25rem;
}

.logo {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: inherit;
  font-weight: 400;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 5.5rem;
}

.nav-links a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: inherit;
  font-weight: 400;
}

/* ------------------------
   HERO
------------------------- */

.hero {
  font-family: "atkinson hyperlegible mono", monospace;
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 4rem;
  isolation: isolate;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/heroBG.jpg');
  background-size: cover;
  background-position: center;
  animation: hero-pan 15s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background-image: url('../images/noise.png');
  background-repeat: repeat;
  background-size: 200px 200px;
  mix-blend-mode: screen;
  opacity: 0.25;
  animation: noise-shift 0.5s steps(2) infinite;
  pointer-events: none;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  isolation: isolate;
  max-width: 520px;
  box-shadow: 8px -8px 10px #09848400 ;
  padding: 2.5rem 3rem;
  background: var(--colour2);
}

@keyframes noise-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, 2%); }
  50%  { transform: translate(2%, -2%); }
  75%  { transform: translate(-1%, 1%); }
  100% { transform: translate(0, 0); }
}

@keyframes hero-pan {
  from { transform: scale(1) translateY(0); }
  to   { transform: scale(1.05) translateY(-2%); }
}

section { padding: var(--space-xs) 0; }

/* ------------------------
   PORTFOLIO GRID
------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
}

.filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(.5rem, 2vw, 1.5rem);
  margin-top: .75rem;
  margin-bottom: .75rem;
  position: relative;
  z-index: 5;
}

.filters button {
  background: none;
  border: 1px solid currentColor;
  padding: .4rem .8rem;
  cursor: pointer;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.filters button.active {
  background: black;
  color: yellow;
}

.project {
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.project-image img {
  width: 100%;
  height: 100%;
  display: block;
  filter: grayscale(0%);
  transition: transform 0.3s ease, filter 0.3s ease;
  object-fit: cover;
}

.project-image::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: #fbeb822d;
  mix-blend-mode: screen;
  pointer-events: none;
  transition: background-color 0.3s ease;
  z-index: 1;
}

.project:hover .project-image::before { background-color: rgba(0,0,0,0); }
.project:hover .project-image img {
  filter: grayscale(0%);
  transform: scale(1.02);
}
.project:hover { transform: translateY(-6px) scale(1.02); }

.project-info { position: relative; z-index: 2; margin-top: var(--space-xs); }
.project-info h4 { margin-bottom: 0.25rem; }
.project-info p { font-size: 0.9rem; color: #000; }

@media (prefers-reduced-motion: reduce) {
  .project, .project-image, .project-image::before, .project-image img { transition: none !important; transform: none !important; }
}

/* ------------------------
   MODAL STYLING 
------------------------- */

#project-modal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 100;
  overflow: hidden;
}

#project-modal.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  max-width: 90%;
  /* allow modal to grow with content but never exceed viewport height */
  max-height: calc(100vh - 4rem);
  background: var(--colour2);
  padding: 1rem;
  position: relative;
  /* allow internal scrolling if content exceeds max-height */
  overflow: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 8px;
  transform: scale(0.95);
  transition: transform 0.3s ease;
  overflow-x: hidden;
}

#project-modal.show .modal-content {
  transform: scale(1);
}

#modal-title { margin-bottom: 1rem; }

#modal-media {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-media-element {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.modal-media-element.show-image {
  opacity: 1;
  transform: translateX(0);
}

#modal-description { margin-bottom: 1rem; text-align: left; }

#modal-caption {
  font-size: 0.75rem;
  color: #666;
  text-align: center;
  margin-bottom: 1.5rem;
  font-style: italic;
  max-width: 90%;
  min-height: 1.2em;
}

.close, .prev, .next {
  position: absolute;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 1rem;
  border-radius: 4px;
  z-index: 10;
}

.close { top: 1rem; right: 1rem; }
.prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

.close:hover, .prev:hover, .next:hover { background: rgba(0,0,0,0.8); }

/* ------------------------
   FOOTER
------------------------- */

.site-footer {
  padding: 2rem 0;
  border-top: none;
  font-size: 0.85rem;
  color:var(--colour1);
}

/* ------------------------
   RESPONSIVE
------------------------- */

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  .grid { grid-template-columns: 1fr; }
  .nav-links { gap: 2rem; }
  .prev, .next { font-size: 1.5rem; padding: 0.4rem 0.8rem; }
  .modal-content { padding: 1rem; }
}

/* ABOUT SECTION */

.about {
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  
}

.about .container {
  max-width: none;
}

.about p {
  max-width: none;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* CONTACT FORMS */

.contact-section {
  width: 100%;
  max-width: none;
  margin-left: auto;
  margin-right: auto;
  padding: 3rem 1rem;
}

.contact-intro > * + * {
  margin-top: 1rem;
}

.contact-title {
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 700;
}

.contact-description {
  color: rgb(0, 0, 0);
  max-width: none;
}

.form-group-container {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  padding: 0.5rem;
  border: 0px solid #ffffff;
  display: flex;
  height: 2.5rem;
  width: 100%;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.form-input::placeholder,
.form-textarea:focus-visible {
  color: #6b7280;
}

.form-input:focus-visible,
.form-textarea:focus-visible {
  outline: 0px solid rgb(108, 224, 213);
  outline-offset: 2px;
}

.form-textarea {
  min-height: 120px;
}

.form-submit {
  width: 100%;
  margin-top: 1.2rem;
  background-color: rgb(108, 224, 213);
  color: black;
  padding: 13px 5px;
  border-radius: 0.375rem;
}