/* ============================================
   JaviCDev — Custom Properties
   ============================================ */
:root {
  --color-bg: #F9F7F4;
  --color-bg-alt: #F0EDE8;
  --color-dark: #1C1C1C;
  --color-gold: #BFA181;
  --color-gold-hover: #A8895E;
  --color-white: #FFFFFF;
  --color-muted: #6B6B6B;
  --color-border: #E0DCD6;

  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', Consolas, monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-section: 5rem;

  --radius: 0.5rem;
  --radius-sm: 0.375rem;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea {
  font: inherit;
  color: inherit;
}

/* ============================================
   Utilities
   ============================================ */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gold {
  color: var(--color-gold);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only--focusable:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: 0.75rem 1.5rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-gold);
  color: var(--color-dark);
  font-weight: 600;
  z-index: 9999;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
}

.btn--primary {
  background-color: var(--color-gold);
  color: var(--color-dark);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(191, 161, 129, 0.4);
}

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

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-dark);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn--small {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn--full {
  display: block;
  width: 100%;
}

.btn:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* ============================================
   Section Layout
   ============================================ */
.section {
  padding: var(--space-section) 0;
}

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

.section__title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section__subtitle {
  color: var(--color-muted);
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: transparent;
  transition: background-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  background-color: var(--color-bg);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 2rem;
  width: auto;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

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

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}

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

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

.nav__link--cta {
  background-color: var(--color-gold);
  color: var(--color-dark);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background-color: var(--color-gold-hover);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) 0;
  background-image: radial-gradient(circle at 1px 1px, var(--color-border) 1px, transparent 0);
  background-size: 40px 40px;
}

.hero__greeting {
  font-size: 1.125rem;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards 0.2s;
}

.hero__title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards 0.4s;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards 0.6s;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards 0.8s;
}

/* ============================================
   About
   ============================================ */
.about {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

.about__text p {
  margin-bottom: var(--space-md);
  color: var(--color-muted);
}

.about__text p:first-of-type {
  color: var(--color-dark);
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.stat {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.stat__suffix {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold);
}

.stat__label {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   Services
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border-top: 3px solid var(--color-gold);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.service-card__icon {
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.service-card__desc {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ============================================
   Portfolio
   ============================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.portfolio-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.portfolio-card__image {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: var(--color-border);
}

.portfolio-card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 28, 28, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-card:hover .portfolio-card__overlay,
.portfolio-card:focus-within .portfolio-card__overlay,
.portfolio-card.overlay-active .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-md);
  width: 100%;
  max-width: 200px;
}

.portfolio-card__links .btn {
  width: 100%;
  text-align: center;
}

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

.btn--outline-light:hover,
.btn--outline-light:focus-visible {
  background-color: var(--color-bg);
  color: var(--color-dark);
  transform: translateY(-2px);
}

.portfolio-card__info {
  padding: 1.25rem;
}

.portfolio-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.portfolio-card__desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.portfolio-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  background: var(--color-bg-alt);
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted);
}

/* ============================================
   Contact
   ============================================ */
.contact {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(191, 161, 129, 0.25);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #D64545;
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: #D64545;
  min-height: 1.25rem;
  padding-top: 0.25rem;
}

.form-trap {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.5rem;
}

.form-status--success {
  color: #2D8A4E;
}

.form-status--error {
  color: #D64545;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact__info {
  padding-top: var(--space-xl);
}

.contact__info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.contact__info > p {
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.contact__detail {
  margin-bottom: var(--space-md);
}

.contact__detail strong {
  display: block;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
}

.contact__detail a {
  color: var(--color-gold);
  font-weight: 600;
  transition: color var(--transition);
}

.contact__detail a:hover {
  color: var(--color-gold-hover);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-dark);
  color: var(--color-bg);
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.footer__logo-img {
  height: 2.5rem;
  width: auto;
  filter: brightness(0) invert(0.95) sepia(0.2) saturate(0.5);
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}

[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Media Queries
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 3rem;
  }

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

/* Mobile */
@media (max-width: 768px) {
  :root {
    --space-section: 3.5rem;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: var(--space-lg);
    gap: var(--space-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link--cta {
    text-align: center;
    display: block;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__subtitle {
    font-size: 1.1rem;
  }

  .section__title {
    font-size: 2rem;
  }

  .about {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about__stats {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .stat {
    flex: 1;
    min-width: 140px;
  }

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

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

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

  .contact__info {
    padding-top: 0;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .about__stats {
    flex-direction: column;
  }

  .stat__number {
    font-size: 2rem;
  }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }
}