/* style.css — Hudson Cuts Barbershop */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing (4px grid) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'Epilogue', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ============================================
   DARK MODE (DEFAULT)
   ============================================ */
:root, [data-theme="dark"] {
  --color-bg:             #0A0A0A;
  --color-surface:        #111111;
  --color-surface-2:      #1A1A1A;
  --color-surface-offset: #141414;
  --color-surface-offset-2: #1E1E1E;
  --color-surface-dynamic: #262626;
  --color-divider:        #2A2A2A;
  --color-border:         #333333;

  --color-text:           #E8E4DF;
  --color-text-muted:     #9A9590;
  --color-text-faint:     #5C5955;
  --color-text-inverse:   #0A0A0A;

  --color-primary:        #9B4049;
  --color-primary-hover:  #B04A54;
  --color-primary-active: #722F37;
  --color-primary-highlight: #2E1A1C;

  --color-accent:         #C4A35A;
  --color-accent-hover:   #D4B36A;
  --color-accent-active:  #A8893E;
  --color-accent-highlight: #2A2518;

  --color-success:        #6daa45;
  --color-error:          #B04A54;
  --color-warning:        #C4A35A;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ============================================
   LIGHT MODE (Warm cream)
   ============================================ */
[data-theme="light"] {
  --color-bg:             #F5F0E8;
  --color-surface:        #FAF7F2;
  --color-surface-2:      #FDFCFA;
  --color-surface-offset: #EDE8E0;
  --color-surface-offset-2: #E6E1D8;
  --color-surface-dynamic: #DDD7CD;
  --color-divider:        #D4CEC4;
  --color-border:         #C8C1B6;

  --color-text:           #1A1714;
  --color-text-muted:     #706B64;
  --color-text-faint:     #A8A39C;
  --color-text-inverse:   #F5F0E8;

  --color-primary:        #722F37;
  --color-primary-hover:  #5A242B;
  --color-primary-active: #4A1D23;
  --color-primary-highlight: #E8D5D7;

  --color-accent:         #9A8340;
  --color-accent-hover:   #7D6B30;
  --color-accent-active:  #635525;
  --color-accent-highlight: #E8E0C8;

  --color-success:        #437a22;
  --color-error:          #722F37;
  --color-warning:        #9A8340;

  --shadow-sm: 0 1px 2px rgba(26,23,20,0.06);
  --shadow-md: 0 4px 12px rgba(26,23,20,0.08);
  --shadow-lg: 0 12px 32px rgba(26,23,20,0.12);
}


/* ============================================
   GLOBAL LAYOUT
   ============================================ */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--narrow {
  max-width: var(--content-narrow);
}

.container--default {
  max-width: var(--content-default);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition-interactive);
}

[data-theme="light"] .nav {
  background: rgba(245, 240, 232, 0.85);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-interactive);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface-dynamic);
  color: var(--color-text);
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive);
}

.theme-toggle-btn:hover {
  background: var(--color-border);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    padding: var(--space-6) var(--space-4);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-divider);
  }

  .nav__links.active {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }
}


/* ============================================
   HERO — SPLIT SCREEN
   ============================================ */

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 45fr 55fr;
  margin-top: 0;
  position: relative;
  overflow: hidden;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-32) var(--space-12) var(--space-16);
  position: relative;
  z-index: 2;
}

.hero__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  color: var(--color-text);
  line-height: 0.95;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-weight: 300;
  font-style: italic;
  margin-bottom: var(--space-8);
  max-width: 38ch;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary);
  color: #F5F0E8;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  align-self: flex-start;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.hero__cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hero__cta:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Barber pole accent stripe on left side */
.hero__stripe {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: repeating-linear-gradient(
    -45deg,
    #C41E3A 0px,
    #C41E3A 8px,
    #FFFFFF 8px,
    #FFFFFF 16px,
    #1C3A7A 16px,
    #1C3A7A 24px
  );
  background-size: 34px 34px;
  animation: stripe-scroll 1.5s linear infinite;
  z-index: 5;
}

@keyframes stripe-scroll {
  to { background-position: 0 34px; }
}

.hero__image {
  position: relative;
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* Gradient overlay on image edge */
.hero__image::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 80px;
  background: linear-gradient(to right, var(--color-bg), transparent);
  z-index: 2;
}

/* Mobile hero stacks */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__image {
    order: -1;
    height: 50vh;
    min-height: 300px;
  }

  .hero__image::before {
    width: 100%;
    height: 80px;
    top: auto;
    bottom: 0;
    background: linear-gradient(to top, var(--color-bg), transparent);
  }

  .hero__content {
    padding: var(--space-8) var(--space-4) var(--space-12);
  }

  .hero__stripe {
    display: none;
  }
}


/* ============================================
   HOURS TICKER
   ============================================ */

.ticker {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-3) 0;
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 20s linear infinite;
}

.ticker__item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: 0 var(--space-8);
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.ticker__dot {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  flex-shrink: 0;
}

@keyframes ticker-scroll {
  to { transform: translateX(-50%); }
}


/* ============================================
   BARBER POLE DIVIDER
   ============================================ */

.barber-divider {
  height: 4px;
  background: repeating-linear-gradient(
    -45deg,
    #C41E3A 0px,
    #C41E3A 8px,
    #FFFFFF 8px,
    #FFFFFF 16px,
    #1C3A7A 16px,
    #1C3A7A 24px
  );
  background-size: 34px 34px;
  animation: stripe-scroll-h 1.5s linear infinite;
}

@keyframes stripe-scroll-h {
  to { background-position: 34px 0; }
}


/* ============================================
   SECTION UTILITIES
   ============================================ */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-32)) 0;
}

.section__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.section__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-bottom: var(--space-12);
}


/* ============================================
   SERVICES — Magazine Editorial Layout
   ============================================ */

.services-grid {
  display: grid;
  gap: 0;
}

.service-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: baseline;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition-interactive);
}

.service-item:first-child {
  border-top: 1px solid var(--color-divider);
}

.service__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  line-height: 1;
  min-width: 80px;
}

.service__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.service__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}

.service__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 400;
}

@media (min-width: 768px) {
  .services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 var(--space-12);
  }

  .service-item:nth-child(2) {
    border-top: 1px solid var(--color-divider);
  }
}


/* ============================================
   ABOUT
   ============================================ */

.about__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

.about__text p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  max-width: 65ch;
}

.about__signature {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  font-style: italic;
  margin-top: var(--space-4);
}


/* ============================================
   GALLERY — Staggered Grid
   ============================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

/* Staggered heights */
.gallery-item:nth-child(1) {
  height: clamp(280px, 35vw, 480px);
}

.gallery-item:nth-child(2) {
  height: clamp(350px, 42vw, 560px);
  margin-top: var(--space-8);
}

.gallery-item:nth-child(3) {
  height: clamp(300px, 38vw, 500px);
  margin-top: var(--space-16);
}

/* Gallery overlay on hover */
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.15);
  opacity: 0;
  transition: opacity var(--transition-interactive);
}

.gallery-item:hover::after {
  opacity: 1;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .gallery-item:nth-child(1),
  .gallery-item:nth-child(2),
  .gallery-item:nth-child(3) {
    height: 260px;
    margin-top: 0;
  }
}


/* ============================================
   CONTACT / BOOKING
   ============================================ */

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.form-group label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

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

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary);
  color: #F5F0E8;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact__block h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.contact__block p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.contact__block a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.contact__block a:hover {
  color: var(--color-primary-hover);
}

@media (max-width: 768px) {
  .contact__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}


/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-divider);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.footer__credit {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__credit a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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


/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* Fallback for browsers without scroll-timeline: use JS */
.fade-in-js {
  opacity: 0;
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-js.visible {
  opacity: 1;
}


/* ============================================
   SKIP LINK
   ============================================ */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #F5F0E8;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  z-index: 200;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-4);
}