/* ============================================
   CHAD JOHN PAYNE — Portfolio Website
   Style: Clean & Minimal
   Colors: Off-white, Charcoal, Warm Grey
   ============================================ */

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

:root {
  --bg: #FAFAFA;
  --bg-alt: #F0EEEB;
  --text: #2B2B2B;
  --text-light: #6B6B6B;
  --accent: #C4A882;
  --accent-hover: #B09570;
  --white: #FFFFFF;
  --border: #E5E2DE;
  --font-heading: 'DM Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: var(--text);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent);
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
}

p {
  max-width: 65ch;
  color: var(--text-light);
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section--alt {
  background-color: var(--bg-alt);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 60px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-light);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.3s ease;
}

.nav__links a:hover {
  color: var(--text);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__socials {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav__socials a {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__text h1 {
  margin-bottom: 1.5rem;
}

.hero__text p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.hero__image {
  position: relative;
}

.hero__image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 2px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--text);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background: var(--text);
  color: var(--bg);
}

.btn--filled {
  background: var(--text);
  color: var(--bg);
}

.btn--filled:hover {
  background: transparent;
  color: var(--text);
}

/* --- Portfolio Grid --- */
.portfolio__header {
  text-align: center;
  margin-bottom: 3rem;
}

.portfolio__header p {
  margin: 1rem auto 0;
}

.portfolio__filter {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.portfolio__filter button {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 0.5rem 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.portfolio__filter button:hover,
.portfolio__filter button.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio__item:hover img {
  transform: scale(1.03);
}

.portfolio__item__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(43, 43, 43, 0.8));
  color: var(--white);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.portfolio__item:hover .portfolio__item__overlay {
  transform: translateY(0);
}

.portfolio__item__overlay h3 {
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.portfolio__item__overlay span {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* --- Process / How I Work --- */
.process__header {
  text-align: center;
  margin-bottom: 3rem;
}

.process__header p {
  margin: 1rem auto 0;
}

.process__strip {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.process__strip::-webkit-scrollbar {
  height: 4px;
}

.process__strip::-webkit-scrollbar-track {
  background: transparent;
}

.process__strip::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.process__item {
  flex: 0 0 260px;
  scroll-snap-align: start;
  position: relative;
}

.process__item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 2px;
  transition: transform 0.4s ease;
}

.process__item:hover img {
  transform: scale(1.02);
}

.process__label {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-light);
}

/* --- About Section --- */
.about__content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about__image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 2px;
}

.about__text h2 {
  margin-bottom: 1.5rem;
}

.about__text p {
  margin-bottom: 1.25rem;
}

.about__text .btn {
  margin-top: 1rem;
}

/* --- Shop CTA --- */
.shop-cta {
  text-align: center;
  padding: 6rem 0;
  background-color: var(--bg-alt);
}

.shop-cta h2 {
  margin-bottom: 1rem;
}

.shop-cta p {
  margin: 0 auto 2rem;
}

/* --- Contact --- */
.contact {
  text-align: center;
}

.contact h2 {
  margin-bottom: 1rem;
}

.contact p {
  margin: 0 auto 2.5rem;
}

.contact__form {
  max-width: 500px;
  margin: 0 auto;
  text-align: left;
}

.contact__form label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 1.5rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.contact__form input:focus,
.contact__form textarea:focus {
  border-color: var(--text);
}

.contact__form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact__form .btn {
  width: 100%;
  text-align: center;
}

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__socials {
  display: flex;
  gap: 1.5rem;
}

.footer__socials a {
  color: var(--text-light);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Scroll reveal --- */
.section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__image {
    max-width: 400px;
    margin: 0 auto;
  }

  .hero__text p {
    margin-left: auto;
    margin-right: auto;
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__image {
    max-width: 400px;
    margin: 0 auto;
  }

  .about__text p {
    margin-left: auto;
    margin-right: auto;
  }

  .process__item {
    flex: 0 0 220px;
  }
}

@media (max-width: 600px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav__links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .process__item {
    flex: 0 0 200px;
  }

  .section {
    padding: 4rem 0;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}