/* ============================================================
   AMBO Design — styles.css
   Premium Architecture Studio Landing Page
   ============================================================ */


/* ============================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Color Palette — AMBO Design */
  --clr-black:   #0D1E2B;  /* near-black, indigo tinted        */
  --clr-dark:    #1E394B;  /* Japanese Indigo — dark surfaces  */
  --clr-dark2:   #243F52;  /* lighter indigo — hover/cards     */
  --clr-white:   #FFFFFF;
  --clr-beige:   #D7CFBF;  /* Pastel Gray — primary accent     */
  --clr-beige-d: #877259;  /* Shadow — darker accent           */
  --clr-gray:    #8A8278;  /* Rocket Metallic — muted text     */
  --clr-gray-l:  #6C5E4F;  /* Boy Red — very muted text        */
  --clr-wa:      #25D366;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Montserrat', Arial, sans-serif;

  /* Spacing */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  6rem;
  --sp-2xl: 10rem;

  /* Layout */
  --max-w:     1280px;
  --nav-h:     80px;
  --radius-s:  4px;
  --radius-m:  8px;
  --radius-l:  16px;

  /* Transitions */
  --t-fast: 0.2s ease;
  --t-med:  0.4s ease;
  --t-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}


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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--clr-black);
  color: var(--clr-white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }


/* ============================================================
   3. TYPOGRAPHY SYSTEM
   ============================================================ */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; }

/* Section label — small caps eyebrow text */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-beige);
  margin-bottom: 0.875rem;
}

/* Main section heading */
.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 1rem;
}

/* Section subtext */
.section-sub {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--clr-gray);
  line-height: 1.75;
  max-width: 560px;
}


/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.section { padding: var(--sp-2xl) 0; }

.section-header {
  text-align: center;
  margin-bottom: var(--sp-xl);
}
.section-header .section-sub { margin: 0 auto; }


/* ============================================================
   5. BUTTON SYSTEM
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-s);
  transition: background-color var(--t-med), color var(--t-med), border-color var(--t-med), transform var(--t-fast), box-shadow var(--t-med);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Primary — beige */
.btn-primary {
  background-color: var(--clr-beige);
  color: var(--clr-black);
  border: 1.5px solid var(--clr-beige);
}
.btn-primary:hover {
  background-color: transparent;
  color: var(--clr-beige);
  box-shadow: 0 4px 20px rgba(215, 207, 191, 0.15);
}

/* WhatsApp */
.btn-wa {
  background-color: var(--clr-wa);
  color: var(--clr-white);
  border: 1.5px solid var(--clr-wa);
}
.btn-wa:hover {
  background-color: transparent;
  color: var(--clr-wa);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.2);
}

/* Outline */
.btn-outline {
  background-color: transparent;
  color: var(--clr-white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
  border-color: var(--clr-beige);
  color: var(--clr-beige);
}

.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }


/* ============================================================
   6. NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background-color var(--t-med), backdrop-filter var(--t-med), border-color var(--t-med);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background-color: rgba(13, 30, 43, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(215, 207, 191, 0.1);
}

.nav-container {
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 42px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Desktop links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}
.nav-links a {
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  transition: color var(--t-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background-color: var(--clr-beige);
  transition: width var(--t-med);
}
.nav-links a:hover { color: var(--clr-white); }
.nav-links a:hover::after { width: 100%; }

/* Right actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Language toggle */
.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  transition: color var(--t-fast);
}
.lang-btn:hover { color: var(--clr-white); }
.lang-btn .lang-sep { color: rgba(255,255,255,0.15); margin: 0 1px; }

/* Highlight active language */
.lang-btn[data-lang="es"] .lang-es,
.lang-btn[data-lang="en"] .lang-en {
  color: var(--clr-beige);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background-color: var(--clr-white);
  transition: all var(--t-med);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }


/* ============================================================
   7. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Background — replace /images/hero.jpg with actual architectural photo */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--clr-black);
  /* Architectural grid pattern fallback (shows when no image is uploaded) */
  background-image:
    url('/images/hero.jpg'),
    radial-gradient(ellipse 90% 70% at 50% 40%, rgba(215,207,191,0.06) 0%, transparent 65%),
    repeating-linear-gradient(
      -60deg,
      transparent 0px, transparent 80px,
      rgba(215,207,191,0.018) 80px, rgba(215,207,191,0.018) 81px
    ),
    repeating-linear-gradient(
      30deg,
      transparent 0px, transparent 80px,
      rgba(215,207,191,0.01) 80px, rgba(215,207,191,0.01) 81px
    );
  background-size: cover, 100% 100%, auto, auto;
  background-position: center 40%, center, center, center;
}

/* Soft vignette — keeps center readable, avoids harsh bottom cutoff */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 100% at 50% 55%, transparent 0%, rgba(13,30,43,0.4) 70%, rgba(13,30,43,0.85) 100%),
    linear-gradient(to bottom, rgba(13,30,43,0.2) 0%, transparent 40%, transparent 70%, rgba(13,30,43,0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem clamp(1.5rem, 6vw, 5rem) 5rem;
  max-width: 720px;
}

/* Eyebrow */
.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--clr-beige);
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}
.eyebrow-line {
  display: block;
  width: 36px; height: 1px;
  background-color: var(--clr-beige);
  opacity: 0.6;
}

/* Central logo image — recortada para proporción horizontal */
.hero-logo {
  display: block;
  width: 100%;
  max-width: min(400px, 55vw);
  aspect-ratio: 2.4 / 1;
  overflow: hidden;
  margin: 0 auto 1.25rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-logo img,
.hero-logo .hero-logo-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 45%;
}

/* Subtitle */
.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  font-style: italic;
  font-weight: 400;
  color: var(--clr-beige);
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.8s;
}

.hero-desc {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.95s;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1.1s;
}

/* Scroll indicator — more visible, better spacing */
.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(215,207,191,0.75);
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1.3s;
}
.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, rgba(215,207,191,0.7), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}


/* ============================================================
   8. SERVICES SECTION
   ============================================================ */
.services { background-color: var(--clr-dark); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background-color: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.service-card {
  background-color: var(--clr-dark);
  padding: 2.5rem 2.25rem;
  position: relative;
  overflow: hidden;
  transition: background-color var(--t-med);
}

/* Animated beige bottom line on hover */
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background-color: var(--clr-beige);
  transition: width var(--t-med);
}

.service-card:hover { background-color: var(--clr-dark2); }
.service-card:hover::after { width: 100%; }

.svc-icon {
  width: 34px; height: 34px;
  margin-bottom: 1.5rem;
  color: var(--clr-beige);
}
.svc-icon svg { width: 100%; height: 100%; }

.svc-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 0.625rem;
  line-height: 1.3;
}

.svc-desc {
  font-size: 0.83rem;
  font-weight: 300;
  color: var(--clr-gray);
  line-height: 1.75;
}


/* ============================================================
   9. PORTFOLIO SECTION
   ============================================================ */
.portfolio {
  background-color: var(--clr-black);
  padding-bottom: 0;
}
.portfolio .container { padding-bottom: var(--sp-xl); }

/* Slider wrapper — full width, no horizontal overflow */
.slider-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.slider-track {
  display: flex;
  transition: transform 0.72s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* Individual slide */
.slide {
  flex: 0 0 100%;
  position: relative;
  height: 72vh;
  min-height: 480px;
  overflow: hidden;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.72s ease;
}
.slide:hover img { transform: scale(1.03); }

/* Slide gradient overlay for text */
.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 25%, rgba(13,30,43,0.96) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(2rem, 5vw, 5rem);
}

.slide-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: rgba(215,207,191,0.12);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 0.5rem;
  line-height: 1.15;
}

.slide-desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
}

/* Arrow buttons */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px; height: 48px;
  border-radius: 50%;
  background-color: rgba(13,30,43,0.65);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-white);
  backdrop-filter: blur(6px);
  transition: background-color var(--t-med), border-color var(--t-med), color var(--t-med), transform var(--t-fast);
}
.slider-arrow:hover {
  background-color: var(--clr-beige);
  border-color: var(--clr-beige);
  color: var(--clr-black);
  transform: translateY(-50%) scale(1.08);
}
.slider-arrow svg { width: 20px; height: 20px; }
.slider-arrow.prev { left: 1.5rem; }
.slider-arrow.next { right: 1.5rem; }

/* Dot indicators */
.slider-dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.5rem;
}
.slider-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.28);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color var(--t-med), width var(--t-med), border-radius var(--t-med);
}
.slider-dot.active {
  background-color: var(--clr-beige);
  width: 22px;
  border-radius: 3.5px;
}


/* ============================================================
   10. ABOUT SECTION
   ============================================================ */
.about { background-color: var(--clr-dark); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

/* Image column */
.about-img-wrap {
  position: relative;
  min-height: 560px;
  /* Elegant gradient fallback when /images/about.jpg is not yet uploaded */
  background: linear-gradient(150deg, #1E394B 0%, #243F52 50%, #1A3347 100%);
}

.about-img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: center;
}

/* Floating badge */
.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background-color: var(--clr-beige);
  color: var(--clr-black);
  padding: 1.5rem 1.75rem;
  text-align: center;
  min-width: 130px;
}
.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}
.badge-txt {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

/* Text column */
.about-body { padding-right: 1rem; }
.about-body .section-title { margin-top: 0.25rem; }

.about-text {
  font-size: 0.97rem;
  font-weight: 300;
  color: rgba(255,255,255,0.68);
  line-height: 1.85;
  margin-bottom: var(--sp-lg);
}

/* Stats row */
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: var(--sp-lg);
  padding-bottom: var(--sp-lg);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.stat-n {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--clr-beige);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-l {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-gray);
}


/* ============================================================
   11. CONTACT SECTION
   ============================================================ */
.contact { background-color: var(--clr-black); }

/* Centered cards wrapper */
.contact-cards-wrap {
  display: flex;
  justify-content: center;
}

.contact-cards {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  background-color: var(--clr-dark);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-m);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: border-color var(--t-med), transform var(--t-med);
}
.contact-card:hover {
  border-color: rgba(215,207,191,0.25);
  transform: translateY(-2px);
}

.cc-icon {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 2px;
}
.cc-icon svg { width: 30px; height: 30px; }
.wa-card .cc-icon { color: var(--clr-wa); }
.ig-card .cc-icon { color: var(--clr-beige); }

.cc-body h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 0.375rem;
}
.cc-body p {
  font-size: 0.83rem;
  font-weight: 300;
  color: var(--clr-gray);
  margin-bottom: 1rem;
  line-height: 1.6;
}


/* ============================================================
   12. FOOTER
   ============================================================ */
.footer {
  background-color: var(--clr-dark);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: var(--sp-xl) 0 var(--sp-lg);
  overflow: visible;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: var(--sp-lg);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  margin-bottom: var(--sp-md);
}

.footer-logo { margin-bottom: 0.75rem; }
.footer-logo img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}
.footer-tagline {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-beige);
  margin-bottom: 0.875rem;
}
.footer-desc {
  font-size: 0.9rem;
  font-weight: 400;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  max-width: 320px;
}

.footer-nav h5,
.footer-social h5 {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.25rem;
}
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.footer-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  transition: color var(--t-fast);
}
.footer-nav a:hover { color: var(--clr-beige); }

.social-row { display: flex; gap: 0.875rem; }
.social-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.45);
  transition: border-color var(--t-med), color var(--t-med), background-color var(--t-med);
}
.social-btn svg { width: 17px; height: 17px; }
.social-btn:hover {
  border-color: var(--clr-beige);
  color: var(--clr-beige);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--sp-md);
}
.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}


/* ============================================================
   13. FLOATING WHATSAPP BUTTON
   ============================================================ */
.float-wa {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 990;
  width: 58px; height: 58px;
  border-radius: 50%;
  background-color: var(--clr-wa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45);
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.float-wa svg { width: 28px; height: 28px; }
.float-wa:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}


/* ============================================================
   14. SCROLL ANIMATIONS
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}


/* ============================================================
   15. KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.9); }
  50%       { opacity: 1;   transform: scaleY(1.15); }
}


/* ============================================================
   16. RESPONSIVE — TABLET  (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .nav-links { gap: 2rem; }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-img,
  .about-img-wrap { height: 420px; min-height: 420px; }
  .about-badge { bottom: -1rem; right: 1rem; }
  .about-body { padding-right: 0; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: 1 / -1; }
}


/* ============================================================
   17. RESPONSIVE — MOBILE  (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  /* Show hamburger, hide desktop nav */
  .hamburger { display: flex; }

  /* Navbar encima de overlay cuando menú abierto — hamburger siempre clickeable */
  .navbar.menu-open { z-index: 10000; }

  /* Overlay — pantalla completa, siempre fijo al viewport */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    background-color: #0D1E2B;
    z-index: 9998;
    opacity: 0;
    transition: opacity var(--t-med);
  }
  .nav-overlay.open {
    display: block;
    opacity: 1;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: var(--nav-h);
    box-sizing: border-box;
    background-color: transparent;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform var(--t-med);
    z-index: 9999;
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    /* Clics pasan al logo/hamburger debajo; solo los enlaces capturan clics */
    pointer-events: none;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a {
    font-size: 1rem;
    letter-spacing: 0.2em;
    pointer-events: auto; /* enlaces siguen siendo clicables */
  }

  /* Hero */
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .btn { width: 100%; max-width: 280px; justify-content: center; }

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

  /* Portfolio slide text */
  .slide-overlay { padding: 2rem 1.5rem; }

  /* About */
  .about-stats { gap: 1.25rem; }
  .stat-n { font-size: 1.75rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }
}


/* ============================================================
   18. RESPONSIVE — SMALL MOBILE  (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero-logo { max-width: min(300px, 88vw); }

  .about-stats { grid-template-columns: 1fr 1fr; }

  .slider-arrow { width: 40px; height: 40px; }
  .slider-arrow svg { width: 17px; height: 17px; }

  .about-badge {
    bottom: -0.75rem;
    right: 0.75rem;
    padding: 1.1rem 1.3rem;
    min-width: 100px;
  }
  .badge-num { font-size: 2rem; }
}


/* ============================================================
   19. PREMIUM UI ENHANCEMENTS
   ============================================================ */

/* --- Scroll progress bar (thin top line, fills on scroll) --- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-beige-d), var(--clr-beige));
  z-index: 1100;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* --- Improved scroll animations (softer, longer easing) --- */
[data-animate] {
  opacity: 0;
  transform: translateY(44px);
  transition:
    opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for service cards */
.services-grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services-grid .service-card:nth-child(2) { transition-delay: 70ms; }
.services-grid .service-card:nth-child(3) { transition-delay: 140ms; }
.services-grid .service-card:nth-child(4) { transition-delay: 70ms; }
.services-grid .service-card:nth-child(5) { transition-delay: 140ms; }
.services-grid .service-card:nth-child(6) { transition-delay: 210ms; }
.services-grid .service-card:nth-child(7) { transition-delay: 140ms; }
.services-grid .service-card:nth-child(8) { transition-delay: 210ms; }
.services-grid .service-card:nth-child(9) { transition-delay: 280ms; }

/* --- Hero vertical side labels --- */
.hero-side {
  position: absolute;
  bottom: 12%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1.4s;
}
.hero-side.left  { left: 2.5rem; }
.hero-side.right { right: 2.5rem; }

.hero-side-text {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
}

/* Hide vertical labels on narrow screens */
@media (max-width: 900px) {
  .hero-side { display: none; }
}

/* --- Marquee ticker band --- */
.marquee-band {
  background-color: var(--clr-beige);
  overflow: hidden;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.marquee-inner {
  display: flex;
  align-items: center;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.mq-item {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-black);
  white-space: nowrap;
  padding: 0 1.75rem;
}

.mq-sep {
  font-size: 0.7rem;
  color: var(--clr-beige-d);
  padding: 0 0.25rem;
  flex-shrink: 0;
}

@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-band:hover .marquee-inner {
  animation-play-state: paused;
}

/* --- Service card number overlay --- */
.svc-num {
  position: absolute;
  top: 1.25rem;
  right: 1.75rem;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.035);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  transition: color var(--t-med);
}

.service-card:hover .svc-num {
  color: rgba(215,207,191,0.07);
}

/* Slightly more padding for cards now that they have numbers */
.service-card { padding: 2.75rem 2.25rem 2.5rem; }

/* --- Slide counter (top-right of portfolio slider) --- */
.slide-count {
  position: absolute;
  top: 2rem;
  right: 5rem;
  z-index: 10;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  pointer-events: none;
}

.sc-current {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  line-height: 1;
  transition: opacity 0.3s ease;
}

.sc-sep {
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.1em;
}

.sc-total {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

/* --- Improved section headers — more generous spacing --- */
.section-header { margin-bottom: 5rem; }

.section-title {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  letter-spacing: -0.01em;
}

/* Decorative underline accent on section label */
.section-label {
  position: relative;
  padding-bottom: 0.75rem;
}
.section-label::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 1px;
  background-color: var(--clr-beige);
}

/* Override for left-aligned contexts (about) */
.about-body .section-label::after {
  left: 0;
  transform: none;
}

/* --- Improved section padding --- */
.section { padding: 7rem 0; }

/* --- Hero logo: central image --- */
.hero-logo { max-width: min(480px, 50vw); }

.hero-subtitle {
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  letter-spacing: 0.01em;
}

/* --- Improved portfolio slide height --- */
.slide {
  height: 78vh;
  min-height: 520px;
}

/* --- Portfolio slide: slide number moves to top-left edge --- */
.slide-num {
  font-size: clamp(4rem, 7vw, 6rem);
  color: rgba(215,207,191,0.08);
  margin-bottom: 0.5rem;
}

/* --- About section: more breathing room --- */
.about-grid { gap: 6rem; }

.about-img, .about-img-wrap { height: 620px; min-height: 620px; }

/* --- About: philosophy emphasis block --- */
.about-text {
  font-size: 1rem;
  line-height: 1.9;
  border-left: 2px solid var(--clr-beige-d);
  padding-left: 1.5rem;
  margin-bottom: var(--sp-lg);
}

/* --- Contact cards: slightly larger --- */
.contact-card { padding: 2.5rem; gap: 2rem; }

/* --- Footer: more generous top padding --- */
.footer { padding-top: 5rem; }

/* --- Improved keyframe animations --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(36px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* Remove blur from scroll animations (keep it only for hero) */
[data-animate] { filter: none !important; }

/* --- Smooth counter transition on slide change --- */
.sc-current.animating { opacity: 0; }

/* --- Hide slide counter on small screens --- */
@media (max-width: 768px) {
  .slide-count { display: none; }
  .section { padding: 5rem 0; }
  .about-grid { gap: 3rem; }
  .about-img, .about-img-wrap { height: 420px; min-height: 420px; }
  .about-text { padding-left: 1rem; }
  .section-header { margin-bottom: 3rem; }
  .hero-logo { max-width: min(380px, 75vw); }
}