/* ==========================================================
   SHINE OF NASHVILLE
   Mobile-first  |  8px spacing  |  CSS custom properties
   ========================================================== */

/* --------------------------------
   1. Custom Properties
   -------------------------------- */
:root {
  --color-bg:             #FAF9F7;
  --color-bg-alt:         #F2F0ED;
  --color-surface:        #FFFFFF;
  --color-text:           #1A1A1A;
  --color-text-secondary: #71706E;
  --color-accent:         #B91C33;
  --color-accent-hover:   #9A1628;
  --color-accent-light:   rgba(185, 28, 51, 0.08);
  --color-border:         rgba(0, 0, 0, 0.06);
  --color-border-strong:  rgba(0, 0, 0, 0.10);

  --space-1:  0.5rem;
  --space-2:  1rem;
  --space-3:  1.5rem;
  --space-4:  2rem;
  --space-5:  2.5rem;
  --space-6:  3rem;
  --space-8:  4rem;
  --space-10: 5rem;
  --space-12: 6rem;

  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-pill:  9999px;

  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md:  0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg:  0 4px 16px rgba(0, 0, 0, 0.08);

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;

  --max-width: 80rem;
  --header-height: 64px;
}

/* --------------------------------
   2. Reset & Base
   -------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-padding-top: calc(var(--header-height) + var(--space-3));
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

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

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

ul[role="list"] {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* --------------------------------
   3. Typography
   -------------------------------- */
h1, h2, h3 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  margin: 0;
}

/* --------------------------------
   4. Layout Utilities
   -------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-8) 0;
}

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

.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto var(--space-6);
}

.section-header p {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
}

.section-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

/* --------------------------------
   5. Buttons
   -------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-ghost:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-secondary);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
  min-height: 48px;
}

.btn-full {
  width: 100%;
}

/* --------------------------------
   6. Header & Navigation
   -------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  height: var(--header-height);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  flex: 1;
  margin-right: var(--space-2);
  text-decoration: none;
  color: inherit;
}

.nav-brand img,
.nav-logo-img {
  display: block;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.nav-brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-links,
.nav-cta {
  display: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------
   7. Mobile Menu
   -------------------------------- */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              visibility var(--transition-base);
}

.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu li + li {
  border-top: 1px solid var(--color-border);
}

.mobile-menu a {
  display: block;
  padding: var(--space-2) 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.mobile-menu-cta {
  display: block;
  width: 100%;
  margin-top: var(--space-3);
  text-align: center;
}

/* --------------------------------
   8. Hero
   -------------------------------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* Layered: base readability, subtle vignette, brand accent wash, soft highlight */
  background:
    radial-gradient(
      ellipse 85% 55% at 15% 85%,
      rgba(185, 28, 51, 0.12) 0%,
      transparent 58%
    ),
    radial-gradient(
      ellipse 70% 50% at 92% 12%,
      rgba(255, 255, 255, 0.05) 0%,
      transparent 45%
    ),
    linear-gradient(
      165deg,
      rgba(8, 7, 9, 0.78) 0%,
      rgba(12, 10, 12, 0.52) 42%,
      rgba(10, 9, 11, 0.62) 100%
    );
  box-shadow:
    inset 0 0 100px rgba(0, 0, 0, 0.28),
    inset 0 -60px 80px rgba(0, 0, 0, 0.15);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-content h1 {
  color: #fff;
  max-width: 640px;
}

.hero-content > p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin-top: var(--space-3);
}

.hero-card {
  display: none;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.hero .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.hero .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
}

.trust-item svg {
  flex-shrink: 0;
  opacity: 0.8;
}

/* --------------------------------
   9. Service Cards
   -------------------------------- */
.service-card,
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

.service-card:hover,
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-icon,
.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.service-icon svg,
.feature-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3,
.feature-card h3 {
  margin-bottom: var(--space-1);
}

.service-card p,
.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-top: var(--space-1);
}

/* --------------------------------
   9b. Work / Portfolio
   -------------------------------- */
.work-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

.work-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.work-card-figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.work-card-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.work-card-body {
  padding: var(--space-3);
  flex: 1;
}

.work-card-body h3 {
  margin-bottom: var(--space-1);
}

.work-card-body p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --------------------------------
   10. About
   -------------------------------- */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.about-content .section-label {
  margin-bottom: var(--space-1);
}

.about-content h2 {
  margin-bottom: var(--space-3);
}

.about-content p + p {
  margin-top: var(--space-2);
}

.about-stats {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.stat-value {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* --------------------------------
   11. Contact
   -------------------------------- */
.contact-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: stretch;
}

.contact-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  transition: box-shadow var(--transition-base);
}

.contact-card:hover {
  box-shadow: var(--shadow-sm);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.contact-detail svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.contact-detail-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

.contact-detail a {
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.contact-detail a,
.contact-detail span:not(.contact-detail-label) {
  word-break: break-word;
}

.contact-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  min-height: 48px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371706E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 3rem;
}

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

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* --------------------------------
   12. Footer
   -------------------------------- */
.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.65);
  padding: var(--space-8) 0 var(--space-4);
}

.site-footer .container {
  text-align: center;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-brand-name {
  margin: var(--space-2) 0 0;
  font-family: 'Playfair Display', serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}

.footer-brand-text {
  margin: var(--space-2) auto 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.footer-col h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 var(--space-2);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li + li {
  margin-top: var(--space-1);
}

.footer-col a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
}

.footer-col span {
  font-size: 0.9375rem;
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

/* --------------------------------
   13. Carousel & Dots (Mobile)
   -------------------------------- */
.carousel {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin-left: calc(var(--space-3) * -1);
  margin-right: calc(var(--space-3) * -1);
  padding: var(--space-1) var(--space-3);
}

.carousel::-webkit-scrollbar {
  display: none;
}

.carousel > * {
  flex: 0 0 80vw;
  max-width: 360px;
  scroll-snap-align: start;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  padding-top: var(--space-3);
}

.carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border-strong);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background var(--transition-base),
              transform var(--transition-base);
}

.carousel-dots .dot.active {
  background: var(--color-accent);
  transform: scale(1.25);
}

/* --------------------------------
   14. Reveal Animations
   -------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* --------------------------------
   15. Tablet — min-width: 768px
   -------------------------------- */
@media (min-width: 768px) {
  :root {
    --header-height: 72px;
  }

  .section {
    padding: var(--space-10) 0;
  }

  .hero-ctas {
    flex-direction: row;
  }

  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
  }

  .hero-card {
    display: flex;
    flex-direction: column;
    flex: 0 0 min(32vw, 300px);
    max-width: 300px;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
  }

  .hero-card-label {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
  }

  .hero-card-lead {
    margin: var(--space-2) 0 0;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-secondary);
  }

  .hero-card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
  }

  .hero-card-meta-sep {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-border-strong);
    flex-shrink: 0;
  }

  .hero-card-phone {
    display: block;
    margin-top: var(--space-3);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
  }

  .hero-card-phone:hover {
    color: var(--color-accent);
  }

  .hero-card-btn {
    margin-top: var(--space-3);
  }

  .carousel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    overflow: visible;
    scroll-snap-type: none;
    margin: 0;
    padding: 0;
  }

  .carousel > * {
    flex: none;
    max-width: none;
  }

  .carousel-dots {
    display: none;
  }

  .about-grid {
    flex-direction: row;
    align-items: center;
  }

  .about-image {
    flex: 1 1 50%;
  }

  .about-content {
    flex: 1 1 50%;
  }

  .form-row {
    flex-direction: row;
  }

  .form-row .form-group {
    flex: 1;
  }

  .contact-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-5);
  }

  .contact-info {
    flex: 0 0 min(42%, 320px);
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    flex: 1;
    min-width: 0;
  }

  .site-footer .container {
    text-align: left;
  }

  .footer-brand {
    align-items: flex-start;
  }

  .footer-brand-text {
    margin-left: 0;
    margin-right: 0;
  }

  .footer-bottom {
    text-align: left;
  }

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

/* --------------------------------
   16. Desktop — min-width: 1024px
   -------------------------------- */
@media (min-width: 1024px) {
  .section {
    padding: var(--space-12) 0;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
  }

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

  .nav-cta {
    display: inline-flex;
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
  }

  .nav-toggle {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }

  .nav-brand-name {
    display: none;
  }

  .nav-brand {
    flex: 0 1 auto;
    margin-right: 0;
  }

  .nav-brand img,
  .nav-logo-img {
    width: 48px;
    height: 48px;
  }

  .carousel[data-carousel="services"] {
    grid-template-columns: repeat(4, 1fr);
  }

  .carousel[data-carousel="why-shine"] {
    grid-template-columns: repeat(3, 1fr);
  }

  .carousel[data-carousel="work"] {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-info {
    flex: 0 0 380px;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}