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

:root {
  --black: #111;
  --white: #fff;
  --yellow: #F5E600;
  --yellow-dark: #d4c700;
  --cream: #fafaf8;
  --warm: #f5f5f0;
  --gray-100: #f0f0ec;
  --gray-300: #d4d4cf;
  --gray-500: #888;
  --gray-700: #444;
  --gray-900: #1a1a1a;
  --green: #25D366;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --ease: cubic-bezier(.25,.46,.45,.94);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.btn--primary:hover { background: var(--yellow-dark); border-color: var(--yellow-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,230,0,.25); }
.btn--outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn--outline:hover { background: var(--black); color: var(--white); }
.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}
.btn--outline-light:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.btn--whatsapp {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--whatsapp:hover { background: #1ebe57; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(37,211,102,.3); }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--ease);
}
.nav--scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: 0 1px 20px rgba(0,0,0,.08);
}
.nav--scrolled .nav__links a { color: var(--black); }
.nav--scrolled .nav__cta { color: var(--black) !important; border-color: var(--black); }
.nav--scrolled .nav__toggle span { background: var(--black); }
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo img { height: 40px; width: auto; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__links a {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: opacity 0.3s;
}
.nav__links a:hover { opacity: .7; }
.nav__cta {
  padding: 10px 24px !important;
  border: 1.5px solid rgba(255,255,255,.5) !important;
  border-radius: 4px !important;
  transition: all 0.3s var(--ease) !important;
}
.nav__cta:hover { background: var(--yellow) !important; border-color: var(--yellow) !important; color: var(--black) !important; opacity: 1 !important; }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 6px 0; transition: all 0.3s; border-radius: 2px; }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,.15) 0%,
    rgba(0,0,0,.3) 40%,
    rgba(0,0,0,.75) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 100px;
  width: 100%;
}
.hero__tag {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 20px;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero__sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.8);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.6);
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTION HEADERS ===== */
.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
}
.section-tag--light { color: rgba(255,255,255,.5); }
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--black);
  position: relative;
}
.section-title--light { color: var(--white); }
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--yellow);
  margin: 20px auto 0;
  border-radius: 2px;
}
.section-header--light .section-title::after { background: var(--yellow); }

/* ===== SERVICES ===== */
.services {
  padding: 120px 0;
  background: var(--cream);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  padding: 44px 36px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,.06);
  transition: all 0.4s var(--ease);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.08);
  border-color: transparent;
}
.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: var(--gray-700);
}
.service-card__icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===== PORTFOLIO ===== */
.portfolio {
  padding: 120px 0 80px;
  background: var(--gray-900);
}
.portfolio__masonry {
  columns: 4;
  column-gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}
.portfolio__item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.portfolio__item img {
  width: 100%;
  display: block;
  transition: transform 0.6s var(--ease);
}
.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.portfolio__overlay span {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--white);
  padding: 10px 24px;
  border-radius: 4px;
  transform: translateY(8px);
  transition: transform 0.3s var(--ease);
}
.portfolio__item:hover img { transform: scale(1.05); }
.portfolio__item:hover .portfolio__overlay { opacity: 1; }
.portfolio__item:hover .portfolio__overlay span { transform: translateY(0); }

/* ===== ABOUT ===== */
.about {
  padding: 120px 0;
  background: var(--warm);
}
.about__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__image { border-radius: 8px; overflow: hidden; }
.about__image img { width: 100%; height: 500px; object-fit: cover; }
.about__content .section-title { margin-bottom: 28px; }
.about__content .section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--yellow);
  margin-top: 20px;
  border-radius: 2px;
}
.about__quote {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--gray-700);
  border-left: 3px solid var(--yellow);
  padding-left: 24px;
  margin: 28px 0;
  line-height: 1.6;
}
.about__content p {
  color: var(--gray-500);
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.about__content .btn { margin-top: 12px; }

/* ===== CONTACT ===== */
.contact {
  padding: 120px 0;
  background: var(--black);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,230,0,.06) 0%, transparent 70%);
  pointer-events: none;
}
.contact__inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.contact__content .section-title { margin-bottom: 20px; }
.contact__sub {
  color: rgba(255,255,255,.6);
  font-size: 1.05rem;
  margin-bottom: 40px;
  line-height: 1.7;
}
.contact__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.contact__location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: 0.85rem;
}

/* ===== FOOTER ===== */
.footer {
  padding: 32px 0;
  background: var(--gray-900);
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__logo { height: 28px; width: auto; opacity: .5; }
.footer p { color: rgba(255,255,255,.3); font-size: 0.8rem; }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease);
}
.lightbox--active { opacity: 1; visibility: visible; }
.lightbox__content { max-width: 90vw; max-height: 90vh; }
.lightbox__content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}
.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  opacity: .7;
  transition: opacity 0.3s;
  line-height: 1;
}
.lightbox__close:hover { opacity: 1; }
.lightbox__prev, .lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  opacity: .5;
  transition: opacity 0.3s;
  padding: 16px;
}
.lightbox__prev { left: 16px; }
.lightbox__next { right: 16px; }
.lightbox__prev:hover, .lightbox__next:hover { opacity: 1; }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .portfolio__masonry { columns: 3; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    padding: 40px;
    transition: right 0.4s var(--ease);
    box-shadow: -10px 0 40px rgba(0,0,0,.1);
  }
  .nav__links--open { right: 0; }
  .nav__links a { color: var(--black) !important; font-size: 1.1rem; }
  .nav__cta { border-color: var(--black) !important; }
  .nav--scrolled .nav__toggle span { background: var(--black); }

  .hero__content { padding-bottom: 80px; }
  .hero__title { font-size: 2.4rem; }
  .hero__sub br { display: none; }
  .hide-mobile { display: none; }

  .services { padding: 80px 0; }
  .services__grid { grid-template-columns: 1fr; gap: 20px; }
  .service-card { padding: 32px 28px; }

  .portfolio { padding: 80px 0 60px; }
  .portfolio__masonry { columns: 2; column-gap: 12px; padding: 0 16px; }
  .portfolio__item { margin-bottom: 12px; }

  .about { padding: 80px 0; }
  .about__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about__image img { height: 300px; }

  .contact { padding: 80px 0; }
  .contact__buttons { flex-direction: column; align-items: center; }

  .footer__inner { flex-direction: column; gap: 12px; text-align: center; }

  .lightbox__prev, .lightbox__next { display: none; }
}

@media (max-width: 480px) {
  .portfolio__masonry { columns: 1; }
  .hero__title { font-size: 2rem; }
}