/* ============================================
   Brian Kohagen Photography — Stylesheet
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8f8f8;
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-accent: #e63312;
  --color-accent-dark: #c42a0e;
  --color-overlay: rgba(0, 0, 0, 0.45);
  --color-overlay-light: rgba(0, 0, 0, 0.25);
  --color-border: #e0e0e0;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1400px;
  --nav-height: 72px;
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p {
  max-width: 65ch;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 600px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav--transparent {
  background: transparent;
}

.nav--solid {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 0 var(--color-border);
  backdrop-filter: blur(10px);
}

.nav--solid .nav__logo,
.nav--solid .nav__link {
  color: var(--color-text);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  transition: color var(--transition);
}

.nav__logo span {
  font-weight: 300;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  position: relative;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.nav--solid .nav__hamburger span {
  background: var(--color-text);
}

/* --- Hero Sections --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero--short {
  height: 50vh;
  min-height: 400px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}

.hero__bg--loaded {
  transform: scale(1);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 2rem;
  max-width: 900px;
}

.hero__content h1 {
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  opacity: 0.9;
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  opacity: 0.7;
  animation: bounce 2s infinite;
  cursor: pointer;
}

.hero__scroll svg {
  width: 28px;
  height: 28px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(230, 51, 18, 0.3);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn--outline:hover {
  background: #fff;
  color: var(--color-text);
}

.btn--outline-dark {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.btn--outline-dark:hover {
  background: var(--color-text);
  color: #fff;
}

/* --- Discipline Cards --- */
.disciplines {
  background: var(--color-bg);
}

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

.discipline-card {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
}

.discipline-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.discipline-card:hover .discipline-card__img {
  transform: scale(1.08);
}

.discipline-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: background var(--transition);
}

.discipline-card:hover .discipline-card__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
}

.discipline-card__title {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.discipline-card__count {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* --- Featured Gallery (Home) --- */
.featured-gallery {
  background: var(--color-bg-alt);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.gallery-grid--masonry {
  columns: 3;
  column-gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  break-inside: avoid;
  margin-bottom: 1rem;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.gallery-item:hover .gallery-item__overlay {
  background: rgba(0, 0, 0, 0.3);
}

.gallery-item__icon {
  color: #fff;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .gallery-item__icon {
  opacity: 1;
  transform: scale(1);
}

/* --- Stats Bar --- */
.stats {
  background: var(--color-text);
  color: #fff;
  padding: 4rem 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-top: 0.5rem;
}

/* --- About Page --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-content__text h2 {
  margin-bottom: 1.5rem;
}

.about-content__text p {
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.about-content__image {
  position: relative;
}

.about-content__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.what-i-shoot__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.shoot-card {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.shoot-card__photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.shoot-card:hover .shoot-card__photo {
  transform: scale(1.08);
}

.shoot-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.2) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
}

.shoot-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 0.35rem;
}

.shoot-card p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.85rem;
  margin: 0;
  line-height: 1.5;
}

/* --- Portfolio Page --- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
  justify-content: center;
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.65rem 1.5rem;
  border: 2px solid var(--color-border);
  background: transparent;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn--active {
  border-color: var(--color-text);
  color: var(--color-text);
  background: var(--color-bg);
}

.filter-btn--active {
  background: var(--color-text);
  color: #fff;
}

.portfolio-grid {
  columns: 3;
  column-gap: 1rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  break-inside: avoid;
  margin-bottom: 1rem;
  opacity: 1;
  transition: opacity var(--transition);
}

.portfolio-item--hidden {
  display: none;
}

.portfolio-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: #fff;
  transform: translateY(100%);
  transition: transform var(--transition);
}

.portfolio-item:hover .portfolio-item__info {
  transform: translateY(0);
}

.portfolio-item__title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-item__category {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-top: 0.25rem;
}

.portfolio-cta {
  text-align: center;
  margin-top: 4rem;
}

.portfolio-cta p {
  color: var(--color-text-light);
  margin: 0 auto 1.5rem;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-info {
  padding: 2.5rem;
  background: var(--color-bg-alt);
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 20px;
  color: var(--color-accent);
  margin-top: 2px;
}

.contact-info__text h4 {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.contact-info__text p,
.contact-info__text a {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

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

.contact-info__social {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.contact-info__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all var(--transition);
}

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

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox--active {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.95);
  transition: transform var(--transition);
}

.lightbox--active .lightbox__img {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox__close:hover {
  opacity: 1;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  padding: 1rem;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.lightbox__nav:hover {
  opacity: 1;
}

.lightbox__nav--prev { left: 1rem; }
.lightbox__nav--next { right: 1rem; }

.hero__photo-credit {
  position: absolute;
  bottom: 0.75rem;
  right: 1rem;
  z-index: 2;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  font-family: var(--font-body);
}

.lightbox__caption {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  text-align: center;
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: #fff;
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer__brand span {
  font-weight: 300;
}

.footer__desc {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  max-width: 350px;
  line-height: 1.7;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__links a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  transition: color var(--transition);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left--visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right--visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Mobile Navigation Overlay --- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.mobile-nav--active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .disciplines__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid--masonry,
  .portfolio-grid {
    columns: 2;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

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

@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  section {
    padding: 4rem 0;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__hamburger--active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav__hamburger--active span:nth-child(2) {
    opacity: 0;
  }

  .nav__hamburger--active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    min-height: 500px;
  }

  .hero--short {
    min-height: 300px;
    height: 40vh;
  }

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

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

  .gallery-grid--masonry,
  .portfolio-grid {
    columns: 1;
  }

  .what-i-shoot__grid {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .portfolio-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .btn {
    padding: 0.85rem 2rem;
    font-size: 0.75rem;
    width: 100%;
    justify-content: center;
  }
}