/* ===================================================================
   AUSTIN HOME GYM — Design System
   Pearl Template Recreation · Warm Industrial Aesthetic
   =================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* --- Design Tokens --- */
:root {
  --color-bg: #F5F2ED;
  --color-bg-card: #EDEAE4;
  --color-text: #1A1A1A;
  --color-text-light: #9B9590;
  --color-accent: #5A7247;
  --color-border: #DDD9D3;
  --color-dark: #1A1A1A;
  --color-dark-text: #F5F2ED;
  --color-dark-muted: #7A7775;

  --font-display: 'Manrope', sans-serif;
  --font-body: 'Outfit', sans-serif;

  --container-max: 1400px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);
  --section-gap: clamp(6rem, 12vw, 12rem);
  --border-radius: 12px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.headline-xl {
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.headline-lg {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.headline-md {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.2;
}

.text-gray { color: var(--color-text-light); }
.text-body {
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  line-height: 1.65;
  color: var(--color-text);
}

.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
}

/* --- Layout --- */
.main-content {
  position: relative;
  z-index: 1;
  background-color: var(--color-bg);
  border-radius: 0 0 20px 20px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.08);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: clamp(3rem, 5vw, 5rem);
  gap: 2rem;
}

.section-header .headline-lg {
  max-width: 800px;
}

/* --- Pill Button --- */
.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-pill--dark:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

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

.btn-pill--light:hover {
  background: #fff;
  transform: translateY(-2px);
}

.btn-pill--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-pill--outline:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(245, 242, 237, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

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

.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-light);
  transition: color var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-text);
  transition: width var(--transition);
}

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

.nav-cta {
  margin-left: 1rem;
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--transition);
}

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav-mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 8rem;
  padding-bottom: 4rem;
}

.hero .label {
  margin-bottom: 1.5rem;
}

.hero .headline-xl {
  margin-bottom: 2.5rem;
  max-width: 1100px;
}

/* --- Project Cards --- */
.project-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.project-grid--home {
  grid-template-columns: 1fr;
}

.project-grid--home .project-card:not(:first-child) {
  /* will be placed in a sub-grid */
}

.project-grid-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.project-grid--builds {
  grid-template-columns: 1fr 1fr;
}

.project-card {
  display: block;
  transition: transform var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
}

.project-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--border-radius);
  background: var(--color-bg-card);
  position: relative;
}

.project-card--full .project-card-image {
  aspect-ratio: 16 / 8;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-info {
  padding-top: 1rem;
}

.project-card-location {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
  font-weight: 400;
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Accordion --- */
.accordion {
  border-top: 1px solid var(--color-border);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.25rem, 2.5vw, 2rem) 0;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.accordion-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  transition: color var(--transition);
}

.accordion-item:hover .accordion-title {
  color: var(--color-accent);
}

.accordion-icon {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.accordion-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-text-light);
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              padding 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.accordion-item.open .accordion-body {
  max-height: 400px;
}

.accordion-body-inner {
  padding-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.accordion-sub-item {
  font-size: 0.95rem;
  color: var(--color-text-light);
  padding-left: 0;
  font-weight: 400;
}

/* --- Logo Grid --- */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-top: clamp(3rem, 5vw, 5rem);
}

.logo-grid-item {
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  font-family: var(--font-display);
  font-size: clamp(0.7rem, 1.2vw, 0.9rem);
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
  text-align: center;
}

/* --- Process Steps (How We Work) --- */
.process-steps {
  display: grid;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 200px 1fr;
  gap: 2rem;
  padding: clamp(2rem, 3vw, 3rem) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.process-step:first-child {
  border-top: 1px solid var(--color-border);
}

.process-number {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.process-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.process-body {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-light);
  max-width: 520px;
}

/* --- Scroll-Animated Text --- */
.scroll-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.scroll-text .word {
  color: var(--color-border);
  transition: color 0.3s ease;
  display: inline;
}

.scroll-text .word.visible {
  color: var(--color-text);
}

/* --- Footer --- */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 0;
  background: var(--color-dark);
  color: var(--color-dark-text);
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(2rem, 4vw, 3rem);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
  margin-bottom: clamp(5rem, 10vw, 10rem);
}

.footer .label {
  color: var(--color-dark-muted);
  margin-bottom: 1.5rem;
}

.footer-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-dark-text);
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-dark-muted);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-dark-text);
}

.footer-locations {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-locations a {
  font-size: 0.875rem;
  color: var(--color-dark-muted);
  transition: color var(--transition);
}

.footer-locations a:hover {
  color: var(--color-dark-text);
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-social a {
  font-size: 0.875rem;
  color: var(--color-dark-muted);
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-social a:hover {
  color: var(--color-dark-text);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-dark-muted);
}

/* --- Page Header (Builds, Contact) --- */
.page-header {
  padding-top: clamp(8rem, 14vw, 12rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.page-header .headline-xl {
  margin-bottom: 1.5rem;
}

.page-header .text-body {
  max-width: 600px;
}

/* --- About Hero --- */
.about-hero {
  padding-top: clamp(8rem, 14vw, 12rem);
  padding-bottom: clamp(3rem, 5vw, 5rem);
}

.about-hero .label {
  margin-bottom: 1.5rem;
}

.about-hero .headline-xl {
  margin-bottom: 2rem;
  max-width: 900px;
}

.about-hero .text-body {
  max-width: 620px;
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.about-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.about-images img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--border-radius);
}

/* --- Build Detail --- */
.detail-meta {
  padding-top: clamp(8rem, 14vw, 12rem);
  display: flex;
  gap: clamp(3rem, 6vw, 6rem);
  padding-bottom: 2rem;
}

.detail-meta-item .label {
  margin-bottom: 0.35rem;
}

.detail-meta-value {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.detail-headline {
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.detail-hero-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--border-radius);
  margin-bottom: var(--section-gap);
}

.detail-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: var(--section-gap);
}

.detail-body h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-bottom: 1rem;
  font-weight: 700;
}

.detail-body p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 3rem;
}

.detail-body .cta-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-text);
  padding-bottom: 4px;
  transition: all var(--transition);
}

.detail-body .cta-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- Contact Page --- */
.contact-content {
  padding-top: clamp(8rem, 14vw, 12rem);
  padding-bottom: var(--section-gap);
}

.contact-content .label {
  margin-bottom: 1.5rem;
}

.contact-content .headline-xl {
  margin-bottom: 2rem;
}

.contact-content .text-body {
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.contact-details {
  margin-top: clamp(4rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.contact-detail-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.contact-detail-value {
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 500;
}

.contact-social {
  margin-top: 3rem;
  display: flex;
  gap: 2rem;
}

.contact-social a {
  font-size: 0.875rem;
  color: var(--color-text-light);
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .process-step {
    grid-template-columns: 60px 1fr;
  }
  .process-body {
    grid-column: 2;
  }
  .process-title {
    grid-column: 2;
  }
  .process-number {
    grid-row: 1 / 3;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-nav,
  .footer-locations,
  .footer-social {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-cta.desktop-only {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .nav-mobile {
    display: flex;
  }

  .headline-xl {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

  .project-grid-row,
  .project-grid--builds {
    grid-template-columns: 1fr;
  }

  .logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-step {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .process-number {
    grid-row: auto;
  }

  .about-images {
    grid-template-columns: 1fr;
  }

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

  .detail-meta {
    flex-direction: column;
    gap: 1rem;
  }

  .section-header {
    flex-direction: column;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}