/* =========================================================
   IVÁN BECCARIA — Barbería
   Estilo: street graffiti + minimalismo moderno
   ========================================================= */

:root {
  --navy-950: #060b1a;
  --navy-900: #0b1330;
  --navy-800: #111c40;
  --navy-700: #182a56;
  --navy-600: #223a6e;

  --gold: #f2a93b;
  --gold-light: #ffcf7a;
  --gold-dark: #c9821f;
  --terracota: #e2612a;

  --paper: #f5efe3;
  --white: #ffffff;
  --muted: #a9b3cf;

  --font-display: 'Bebas Neue', 'Poppins', sans-serif;
  --font-tag: 'Permanent Marker', cursive;
  --font-body: 'Poppins', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-soft: 0 20px 60px -20px rgba(6, 11, 26, 0.6);
  --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--navy-950);
  color: var(--paper);
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Utilities ---------- */

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--gold);
  margin-bottom: 12px;
}

.spray-text {
  color: var(--gold);
  position: relative;
  display: inline-block;
}

.spray-text::after {
  content: '';
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: 0.06em;
  height: 0.28em;
  background: linear-gradient(90deg, var(--terracota), var(--gold));
  border-radius: 40% 60% 55% 45% / 60% 50% 50% 40%;
  opacity: 0.35;
  z-index: -1;
  transform: rotate(-1deg);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.section-subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 44px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  border: none;
  border-radius: 999px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(120deg, var(--gold-light), var(--gold) 55%, var(--terracota));
  color: var(--navy-950);
  box-shadow: 0 10px 30px -10px rgba(242, 169, 59, 0.55);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 34px -10px rgba(242, 169, 59, 0.7);
}

.btn-primary:active {
  transform: translateY(0) scale(0.99);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 38px;
  font-size: 1rem;
}

.btn-submit {
  width: 100%;
  margin-top: 28px;
  position: relative;
}

.btn-submit.is-loading .btn-label {
  opacity: 0;
}

.btn-submit .btn-spinner {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid rgba(6, 11, 26, 0.25);
  border-top-color: var(--navy-950);
  opacity: 0;
  animation: spin 0.7s linear infinite;
}

.btn-submit.is-loading .btn-spinner {
  opacity: 1;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-submit.shake {
  animation: shake 420ms ease;
}

@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1.is-visible { transition-delay: 60ms; }
.reveal-delay-2.is-visible { transition-delay: 160ms; }
.reveal-delay-3.is-visible { transition-delay: 260ms; }
.reveal-delay-4.is-visible { transition-delay: 360ms; }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding-block: 20px;
  transition: background var(--transition-med), padding var(--transition-med), box-shadow var(--transition-med);
}

.site-header.is-scrolled {
  background: rgba(6, 11, 26, 0.85);
  backdrop-filter: blur(10px);
  padding-block: 12px;
  box-shadow: 0 10px 30px -20px rgba(0, 0, 0, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}

.brand-accent {
  color: var(--gold);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  min-height: max(600px, 100svh);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 20%, var(--navy-800), var(--navy-950) 65%);
}

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

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% 8%;
  opacity: 0.92;
}

@media (max-width: 860px) {
  .hero-img {
    object-position: 45% 4%;
  }
}

.hero-img:not([src]),
.hero-img.img-error {
  display: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 11, 26, 0.15) 0%, rgba(6, 11, 26, 0.55) 45%, rgba(6, 11, 26, 0.96) 78%),
    linear-gradient(0deg, rgba(6, 11, 26, 0.95), transparent 40%);
}

.hero-tag {
  position: absolute;
  font-family: var(--font-tag);
  color: var(--gold);
  opacity: 0.16;
  z-index: 1;
  pointer-events: none;
  text-transform: uppercase;
}

.hero-tag--one {
  top: 12%;
  left: 6%;
  font-size: clamp(2rem, 6vw, 4rem);
  transform: rotate(-8deg);
}

.hero-tag--two {
  bottom: 18%;
  left: 12%;
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  transform: rotate(6deg);
  color: var(--terracota);
}

.hero-content {
  position: relative;
  z-index: 2;
  margin-left: auto;
  text-align: right;
  max-width: 640px;
  padding-block: 120px 100px;
}

.hero-title {
  font-family: var(--font-display);
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title span {
  display: block;
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  letter-spacing: 0.02em;
}

.hero-title .spray-text {
  font-family: var(--font-tag);
  text-transform: none;
  letter-spacing: 0;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  transform: rotate(-2deg);
}

.hero-subtitle {
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  margin-left: auto;
  margin-bottom: 32px;
  max-width: 460px;
}

.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  transition: color var(--transition-fast);
}

.scroll-indicator:hover {
  color: var(--gold);
}

.scroll-indicator-text {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid currentColor;
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: currentColor;
  animation: scrollDot 1.6s ease infinite;
}

@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------- Booking ---------- */

.booking {
  position: relative;
  padding-block: 120px 100px;
  background: var(--navy-950);
}

.booking::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 0%, rgba(242, 169, 59, 0.08), transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(226, 97, 42, 0.08), transparent 45%);
  pointer-events: none;
}

.booking .container {
  position: relative;
}

.booking-card {
  background: linear-gradient(165deg, var(--navy-800), var(--navy-900));
  border: 1px solid rgba(242, 169, 59, 0.14);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow-soft);
}

.booking-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-group--wide {
  grid-column: 1 / -1;
}

.field-group label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

.field-group input {
  background: var(--navy-950);
  border: 1.5px solid var(--navy-600);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--paper);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field-group input::placeholder {
  color: rgba(169, 179, 207, 0.5);
}

.field-group input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 169, 59, 0.15);
}

.field-group input.is-invalid {
  border-color: #e2612a;
  box-shadow: 0 0 0 4px rgba(226, 97, 42, 0.15);
}

.field-group input[type="date"] {
  color-scheme: dark;
}

.field-error {
  min-height: 1.1em;
  font-size: 0.8rem;
  color: var(--terracota);
}

.day-selector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.day-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--navy-950);
  border: 1.5px solid var(--navy-600);
  border-radius: var(--radius-sm);
  padding: 16px 8px;
  transition: all var(--transition-fast);
}

.day-card:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-1px);
}

.day-card .day-name {
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.day-card .day-date {
  font-size: 0.78rem;
  color: var(--muted);
}

.day-card.is-selected {
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  border-color: var(--gold);
  color: var(--navy-950);
}

.day-card.is-selected .day-date {
  color: var(--navy-900);
}

.day-selector-grid.is-invalid .day-card {
  border-color: var(--terracota);
}

@media (max-width: 520px) {
  .day-selector-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 10px;
}

.slots-grid.slots-anim {
  animation: slotsReveal 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slotsReveal {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.slots-placeholder {
  color: var(--muted);
  font-size: 0.9rem;
  grid-column: 1 / -1;
}

.slot-btn {
  background: var(--navy-950);
  border: 1.5px solid var(--navy-600);
  border-radius: var(--radius-sm);
  color: var(--paper);
  padding: 10px 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.slot-btn:hover:not(:disabled) {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-1px);
}

.slot-btn.is-selected {
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  border-color: var(--gold);
  color: var(--navy-950);
  font-weight: 700;
}

.slot-btn:disabled {
  opacity: 0.35;
  text-decoration: line-through;
  cursor: not-allowed;
}

.form-status {
  min-height: 1.4em;
  margin-top: 16px;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-status.success {
  color: #6ee7a8;
  padding: 14px;
  background: rgba(110, 231, 168, 0.08);
  animation: popIn 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

.form-status.error {
  color: var(--terracota);
  padding: 14px;
  background: rgba(226, 97, 42, 0.08);
  animation: popIn 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-900);
  border-top: 1px solid rgba(242, 169, 59, 0.12);
  padding-block: 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.brand-footer {
  font-size: 1.1rem;
}

.footer-text {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-copy {
  color: rgba(169, 179, 207, 0.6);
  font-size: 0.78rem;
  margin-top: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero-content {
    margin-left: 0;
    text-align: left;
    padding-block: 100px 90px;
  }

  .hero-subtitle {
    margin-left: 0;
  }

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

@media (max-width: 520px) {
  .container {
    padding-inline: 18px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}