/* ============================================
   PROVYTAS, Global Stylesheet (v2: 3-pillar luxury)
   ============================================ */

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* ---- Color (60-30-10) ---- */
  --teal:           #0A7B6F;
  --teal-dark:      #065E54;
  --teal-deep:      #043F37;
  --teal-light:     #E6F5F3;
  --gold:           #C9A44A;
  --gold-soft:      #D4B264;
  --gold-deep:      #8B6914;
  --gold-light:     #F5EFD9;
  --charcoal:       #1A1F2E;
  --ink:            #0E1219;
  --warm-white:     #F7F5F0;
  --ivory:          #FAF7F2;
  --cream:          #F4EFE6;
  --sage:           #E8EFE9;
  --pearl:          #ECE7DD;

  /* ---- Typography ---- */
  --font-display:   'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-sans:      'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body:      'DM Sans', system-ui, sans-serif;

  /* Fluid type scale */
  --fs-eyebrow:     clamp(0.6875rem, 0.62rem + 0.4vw, 0.8rem);
  --fs-body:        clamp(1rem, 0.94rem + 0.3vw, 1.0625rem);
  --fs-lead:        clamp(1.0625rem, 0.94rem + 0.6vw, 1.25rem);
  --fs-h4:          clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --fs-h3:          clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  --fs-h2:          clamp(2rem, 1.4rem + 2.6vw, 3.75rem);
  --fs-h1:          clamp(2.5rem, 1.6rem + 4vw, 5.5rem);
  --fs-display:     clamp(3rem, 2rem + 5vw, 6.5rem);

  /* Weights, extreme contrast */
  --w-thin:         200;
  --w-light:        300;
  --w-regular:      400;
  --w-semibold:     600;
  --w-bold:         700;
  --w-black:        900;

  /* Tracking */
  --track-display:  -0.04em;
  --track-tight:    -0.025em;
  --track-eyebrow:  0.18em;

  /* ---- Spacing scale (4px grid) ---- */
  --space-1:        4px;
  --space-2:        8px;
  --space-3:        12px;
  --space-4:        16px;
  --space-5:        20px;
  --space-6:        24px;
  --space-8:        32px;
  --space-10:       40px;
  --space-12:       48px;
  --space-16:       64px;
  --space-20:       80px;
  --space-24:       96px;
  --space-28:       112px;
  --space-32:       128px;

  /* ---- Motion ---- */
  --ease-out:       cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:    cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:       180ms;
  --dur-base:       320ms;
  --dur-slow:       640ms;
  --dur-page:       420ms;

  /* ---- Elevation (layered, color-tinted shadows) ---- */
  --shadow-soft:    0 1px 2px rgba(14,18,25,0.04), 0 4px 12px rgba(14,18,25,0.06);
  --shadow-rest:    0 2px 4px rgba(14,18,25,0.05), 0 12px 24px rgba(14,18,25,0.08);
  --shadow-lift:    0 8px 16px rgba(14,18,25,0.06), 0 24px 48px rgba(14,18,25,0.12);
  --shadow-glow-teal: 0 8px 24px rgba(10,123,111,0.18), 0 24px 60px rgba(10,123,111,0.10);
  --shadow-glow-gold: 0 8px 24px rgba(201,164,74,0.28), 0 24px 60px rgba(201,164,74,0.12);

  /* ---- Radius ---- */
  --r-xs:   6px;
  --r-sm:   10px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-2xl:  36px;
  --r-pill: 999px;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: var(--w-light);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--charcoal);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--w-black);
  letter-spacing: var(--track-display);
  line-height: 1.02;
  font-optical-sizing: auto;
  font-optical-sizing: auto;
}

img, video { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--gold); color: var(--ink); }

/* ============================================
   ATMOSPHERIC BACKGROUNDS (layered)
   ============================================ */
.bg-noise::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.6 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.08;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

.bg-mesh-warm {
  background-color: var(--ivory);
  background-image:
    radial-gradient(at 6% 10%, rgba(201,164,74,0.14) 0, transparent 45%),
    radial-gradient(at 94% 8%, rgba(10,123,111,0.10) 0, transparent 50%),
    radial-gradient(at 76% 96%, rgba(201,164,74,0.10) 0, transparent 45%);
}

.bg-mesh-cool {
  background-color: var(--cream);
  background-image:
    radial-gradient(at 4% 22%, rgba(10,123,111,0.10) 0, transparent 50%),
    radial-gradient(at 92% 12%, rgba(201,164,74,0.08) 0, transparent 50%),
    radial-gradient(at 50% 100%, rgba(10,123,111,0.06) 0, transparent 60%);
}

.bg-mesh-dark {
  background-color: var(--ink);
  background-image:
    radial-gradient(at 8% 8%, rgba(10,123,111,0.30) 0, transparent 50%),
    radial-gradient(at 96% 12%, rgba(201,164,74,0.20) 0, transparent 50%),
    radial-gradient(at 40% 100%, rgba(10,123,111,0.18) 0, transparent 60%);
}

.bg-grid {
  background-image:
    linear-gradient(rgba(10,123,111,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,123,111,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */
.font-display { font-family: var(--font-display); }
.font-sans    { font-family: var(--font-sans); }
.font-body    { font-family: var(--font-body); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--track-eyebrow);
  color: var(--teal);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}
.eyebrow.no-rule::before { display: none; }
.eyebrow.eyebrow-gold { color: var(--gold-deep); }
.eyebrow.eyebrow-light { color: rgba(255,255,255,0.7); }

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--track-eyebrow);
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.display-serif {
  font-family: var(--font-display);
  font-weight: var(--w-black);
  letter-spacing: var(--track-display);
  line-height: 1;
}

.display-italic {
  font-family: var(--font-display);
  font-weight: var(--w-light);
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.lead {
  font-family: var(--font-body);
  font-weight: var(--w-light);
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: rgba(26,31,46,0.75);
}

.tm {
  font-family: var(--font-sans);
  font-size: 0.45em;
  font-weight: var(--w-bold);
  vertical-align: super;
  letter-spacing: 0.04em;
  margin-left: 0.18em;
  opacity: 0.75;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-gold,
.btn-teal,
.btn-outline-white,
.btn-outline-teal,
.btn-outline-gold,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 0.95rem 1.85rem;
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.btn-gold     { background: var(--gold); color: var(--ink); box-shadow: var(--shadow-glow-gold); }
.btn-gold:hover     { background: var(--gold-soft); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(201,164,74,0.42); }
.btn-gold:active    { transform: translateY(0); }
.btn-gold:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.btn-teal     { background: var(--teal); color: #fff; box-shadow: var(--shadow-glow-teal); }
.btn-teal:hover     { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(10,123,111,0.30); }
.btn-teal:active    { transform: translateY(0); }
.btn-teal:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }

.btn-outline-white  { background: transparent; color: #fff; border-color: rgba(255,255,255,0.8); }
.btn-outline-white:hover  { background: #fff; color: var(--ink); border-color: #fff; transform: translateY(-2px); }

.btn-outline-teal   { background: transparent; color: var(--teal); border-color: var(--teal); padding: 0.85rem 1.6rem; }
.btn-outline-teal:hover { background: var(--teal); color: #fff; }

.btn-outline-gold   { background: transparent; color: var(--gold-deep); border-color: var(--gold); padding: 0.85rem 1.6rem; }
.btn-outline-gold:hover { background: var(--gold); color: var(--ink); }

.btn-ghost { background: transparent; color: var(--charcoal); padding: 0.85rem 1.4rem; }
.btn-ghost:hover { background: rgba(26,31,46,0.05); }

/* ============================================
   NAVIGATION
   ============================================ */
.nav-link {
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.nav-link:hover { color: var(--teal); border-bottom-color: var(--teal); }
.nav-active     { color: var(--teal) !important; border-bottom-color: var(--teal) !important; }

.mobile-nav-link {
  display: block;
  padding: 0.75rem 0;
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #f3f4f6;
  background: none;
  border-left: none; border-right: none; border-top: none;
  cursor: pointer; text-align: left; width: 100%;
  transition: color var(--dur-fast) var(--ease-out);
}
.mobile-nav-link:hover { color: var(--teal); }

#main-header {
  transition: box-shadow var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
#main-header.scrolled {
  box-shadow: 0 1px 0 rgba(26,31,46,0.06), 0 8px 24px rgba(14,18,25,0.06);
}

/* Pillar pill nav */
.pillar-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--r-pill);
  background: var(--ivory);
  border: 1px solid rgba(26,31,46,0.08);
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal);
  transition:
    color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.pillar-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}
.pillar-pill:hover { background: #fff; border-color: var(--teal); transform: translateY(-1px); }
.pillar-pill.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ============================================
   PROCEDURE LINKS
   ============================================ */
.proc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: var(--r-sm);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-weight: var(--w-semibold);
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}
.proc-link .arrow { opacity: 0; transform: translateX(-6px); transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.proc-link:hover { background: var(--teal-light); color: var(--teal); }
.proc-link:hover .arrow { opacity: 1; transform: translateX(0); }

.proc-link-dark {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: var(--r-sm);
  color: rgba(255,255,255,0.85);
  font-family: var(--font-sans);
  font-weight: var(--w-semibold);
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}
.proc-link-dark .arrow { opacity: 0; transform: translateX(-6px); transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.proc-link-dark:hover { background: rgba(255,255,255,0.06); color: var(--gold); }
.proc-link-dark:hover .arrow { opacity: 1; transform: translateX(0); }

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 1 !important;
  transform: translateY(0) !important;
}
.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }
.stagger-5 { transition-delay: 0.40s; }
.stagger-6 { transition-delay: 0.48s; }

/* Page-load orchestration */
@keyframes fadeRise {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
.load-fade { opacity: 0; animation: fadeIn var(--dur-page) var(--ease-out) 0.05s forwards; }
.load-rise { opacity: 0; animation: fadeRise var(--dur-page) var(--ease-out) forwards; }

/* ============================================
   HERO ANIMATIONS
   ============================================ */
@keyframes heroZoom {
  from { transform: scale(1.08); }
  to   { transform: scale(1.0); }
}
.hero-img { animation: heroZoom 9s var(--ease-out) forwards; }

/* Hero bento card hover zoom */
.hero-bento-card { cursor: pointer; }
.hero-bento-img  {
  transform: scale(1.06);
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-bento-card:hover .hero-bento-img { transform: scale(1.0); }

@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 0.9; }
}
.shimmer { animation: shimmer 4s ease-in-out infinite; }

/* ============================================
   CARDS & SURFACES
   ============================================ */
.card-hover {
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }

.surface-elevated {
  background: #fff;
  border-radius: var(--r-xl);
  border: 1px solid rgba(26,31,46,0.06);
  box-shadow: var(--shadow-rest);
}
.surface-floating {
  background: #fff;
  border-radius: var(--r-xl);
  border: 1px solid rgba(26,31,46,0.06);
  box-shadow: var(--shadow-lift);
}
.surface-glass {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--r-xl);
}
.surface-cream {
  background: var(--cream);
  border-radius: var(--r-xl);
  border: 1px solid var(--pearl);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  background: var(--teal-light);
  color: var(--teal);
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(10,123,111,0.18);
}
.tag-gold {
  background: var(--gold-light);
  color: var(--gold-deep);
  border-color: rgba(201,164,74,0.30);
}
.tag-ink {
  background: rgba(26,31,46,0.06);
  color: var(--charcoal);
  border-color: rgba(26,31,46,0.12);
}

/* Pillar cards */
.pillar-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--r-2xl);
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(26,31,46,0.06);
  box-shadow: var(--shadow-rest);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.pillar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent, var(--teal));
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  z-index: -1;
}
.pillar-card .pillar-thumb {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  position: relative;
}
.pillar-card .pillar-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.pillar-card:hover .pillar-thumb img { transform: scale(1.05); }
.pillar-card .pillar-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,18,25,0.55) 100%);
  pointer-events: none;
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-body {
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
  transition: max-height var(--dur-base) var(--ease-out), padding-bottom var(--dur-fast) var(--ease-out);
}
.faq-body.open { max-height: 400px; padding-bottom: 1.25rem; }
.faq-icon { transition: transform var(--dur-base) var(--ease-out); }
.faq-icon.open { transform: rotate(180deg); }

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 3.5rem;
  height: 3.5rem;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.wa-float:hover { transform: scale(1.10); box-shadow: 0 12px 32px rgba(37,211,102,0.45); }
.wa-float:focus-visible { outline: 3px solid #25D366; outline-offset: 4px; }

@keyframes wa-ping {
  0%   { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(2.2); opacity: 0; }
}
.wa-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25D366;
  animation: wa-ping 2.4s cubic-bezier(0,0,0.2,1) infinite;
}

/* ============================================
   MOBILE MENU
   ============================================ */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-base) var(--ease-out);
}
#mobile-menu.open { max-height: 92vh; overflow-y: auto; }

/* ============================================
   PROCEDURE PAGE DETAIL ITEM
   ============================================ */
.detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.05rem 1.25rem;
  background: var(--ivory);
  border-radius: var(--r-md);
  border-left: 3px solid var(--teal);
}
.detail-item .label {
  font-family: var(--font-sans);
  font-weight: var(--w-bold);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
}
.detail-item .value {
  font-family: var(--font-body);
  font-weight: var(--w-regular);
  color: var(--charcoal);
  font-size: 0.95rem;
}

/* ============================================
   MARQUEE / TICKER (luxury detail)
   ============================================ */
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.ticker {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  animation: ticker 36s linear infinite;
  width: max-content;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (max-width: 640px) {
  h1 { letter-spacing: -0.025em; }
  .btn-gold, .btn-teal, .btn-outline-white { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-img { animation: none; }
  .wa-ring { display: none; }
}