/* ═══════════════════════════════════════════════════════════
   MURUGAN SILVER SHOP — Professional CSS
   Inspired by Cartier · Tanishq · Tiffany & Co.
═══════════════════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  /* Light luxury palette */
  --c-bg:        #ffffff;
  --c-bg-2:      #fcfcfd;
  --c-bg-3:      #f5f5f7;
  --c-surface:   rgba(0,0,0,0.02);
  --c-surface-h: rgba(0,0,0,0.05);

  /* Charcoal/Silver scale (Inverted for light theme) */
  --s-100: #0a0a0f;
  --s-200: #1c1c28;
  --s-300: #3b3b4f;
  --s-400: #5c5c70;
  --s-500: #7d7d8e;
  --s-600: #9e9ea9;
  --s-700: #c2c2cb;
  --s-800: #e8e8ed;

  /* Accents */
  --c-gold:  #b59145;
  --c-gold-l:#cda452;
  --c-wa:    #25d366;
  --c-wa-d:  #128c7e;

  /* Gradients */
  --g-silver: linear-gradient(135deg,#333 0%,#666 30%,#444 55%,#888 80%,#555 100%);
  --g-silver-h: linear-gradient(120deg,#222 0%,#444 40%,#111 100%);
  --g-dark:   linear-gradient(180deg,#ffffff 0%,#f5f5f7 100%);
  --g-wa:     linear-gradient(135deg,#25d366,#128c7e);

  /* Borders */
  --b-1: 1px solid rgba(0,0,0,0.06);
  --b-2: 1px solid rgba(0,0,0,0.12);
  --b-3: 1px solid rgba(0,0,0,0.20);

  /* Shadows */
  --sh-card:  0 10px 40px rgba(0,0,0,0.06);
  --sh-glow:  0 0 40px rgba(0,0,0,0.04);
  --sh-wa:    0 8px 32px rgba(37,211,102,0.25);

  /* Typography */
  --f-display: 'Playfair Display', Georgia, serif;
  --f-body:    'Inter', system-ui, sans-serif;
  --f-accent:  'Cormorant Garamond', Georgia, serif;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 0.2s;
  --t-med:  0.4s;
  --t-slow: 0.7s;

  /* Spacing */
  --r-sm:   6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;
  --r-full:9999px;

  /* Layout */
  --max-w: 1280px;
  --nav-h: 72px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--s-200);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img, canvas, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
.site-hidden { opacity: 0; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--s-700); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--s-500); }

/* ── SELECTION ── */
::selection { background: rgba(200,200,255,0.2); color: var(--s-100); }


/* ═══════════════════════════════════════
   PRELOADER
═══════════════════════════════════════ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #04040c;
  overflow: hidden;
}

.pre-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 50%, #0a0a20 0%, #04040c 70%);
}

.pre-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
  padding: 2rem;
}

.pre-ring-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#pre-canvas {
  width: 220px !important;
  height: 220px !important;
}

.pre-ring-blur {
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(140,140,210,0.12) 0%, transparent 65%);
  animation: pre-pulse 2.4s ease-in-out infinite;
}

@keyframes pre-pulse {
  0%,100% { transform: scale(1); opacity: 0.5; }
  50%      { transform: scale(1.08); opacity: 1; }
}

.pre-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.pre-since {
  font-family: var(--f-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--s-500);
  text-transform: uppercase;
  opacity: 0;
  animation: pre-fadeup 0.8s var(--ease-out) 0.3s forwards;
}

.pre-brand {
  font-family: var(--f-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.02em;
  opacity: 0;
  animation: pre-fadeup 0.9s var(--ease-out) 0.5s forwards;
}

.pre-tagline {
  font-family: var(--f-accent);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--s-500);
  opacity: 0;
  animation: pre-fadeup 0.8s var(--ease-out) 0.8s forwards;
}

@keyframes pre-fadeup {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.pre-progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 280px;
  opacity: 0;
  animation: pre-fadeup 0.6s var(--ease-out) 1.1s forwards;
}

.pre-progress {
  flex: 1;
  height: 2px;
  background: rgba(200,200,240,0.08);
  border-radius: var(--r-full);
  overflow: hidden;
}

.pre-fill {
  height: 100%;
  width: 0%;
  background: var(--g-silver);
  border-radius: var(--r-full);
  transition: width 0.06s linear;
  position: relative;
}

.pre-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 20px;
  background: rgba(255,255,255,0.8);
  filter: blur(3px);
}

.pre-pct {
  font-size: 0.7rem;
  color: var(--s-500);
  min-width: 34px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

#preloader.out {
  animation: pre-out 0.9s var(--ease) forwards;
}

@keyframes pre-out {
  0%   { opacity: 1; }
  100% { opacity: 0; pointer-events: none; }
}


/* ═══════════════════════════════════════
   HEADER / NAV
═══════════════════════════════════════ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: background var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}

.header.scrolled {
  background: rgba(8,8,16,0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 var(--b-1), 0 4px 30px rgba(0,0,0,0.6);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.logo-icon {
  opacity: 0.9;
  transition: opacity var(--t-fast);
}

.logo:hover .logo-icon { opacity: 1; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-name {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.01em;
}

.logo-sub {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--s-600);
  text-transform: uppercase;
}

/* Desktop Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.nav-a {
  display: block;
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--s-500);
  border-radius: var(--r-full);
  transition: color var(--t-fast), background var(--t-fast);
  position: relative;
}

.nav-a::after {
  content: '';
  position: absolute;
  bottom: 3px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 1px;
  background: var(--s-300);
  transition: width var(--t-fast) var(--ease);
}

.nav-a:hover  { color: var(--s-200); }
.nav-a.active { color: var(--s-100); }
.nav-a:hover::after, .nav-a.active::after { width: 50%; }

/* Nav WhatsApp button */
.btn-wa-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1.1rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--s-300);
  border: var(--b-2);
  border-radius: var(--r-full);
  background: var(--c-surface);
  transition: all var(--t-fast) var(--ease);
}

.btn-wa-nav:hover {
  border-color: rgba(200,200,240,0.35);
  background: var(--c-surface-h);
  color: var(--s-100);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.4rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--s-400);
  border-radius: 2px;
  transition: all var(--t-fast) var(--ease);
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100dvh;
  background: rgba(10,10,20,0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-left: var(--b-1);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-h) + 2rem) 2rem 2rem;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform var(--t-slow) var(--ease);
  visibility: hidden;
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
}

.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.drawer-a {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--s-400);
  border-radius: var(--r-md);
  transition: all var(--t-fast);
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.drawer-a:hover {
  color: var(--s-100);
  background: var(--c-surface-h);
  border-color: var(--b-1);
}

.drawer-wa {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: var(--g-wa);
  border-radius: var(--r-full);
  transition: all var(--t-fast);
  margin-top: auto;
}

.drawer-wa:hover {
  box-shadow: var(--sh-wa);
  transform: translateY(-2px);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-med), visibility var(--t-med);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}


/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

/* Background layers */
.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-radial-1 {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 68% 45%, rgba(70,70,140,0.18) 0%, transparent 65%);
}

.hero-radial-2 {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 25% 55%, rgba(40,40,100,0.12) 0%, transparent 60%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,200,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,200,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 100% at 60% 45%, black 20%, transparent 80%);
}

.hero-particles-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

/* Layout */
.hero-layout {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: 3rem;
  min-height: calc(100dvh - var(--nav-h));
}

#hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.8;
  /* Invert video so black bg becomes white, then multiply to blend into white site bg */
  filter: invert(1) hue-rotate(180deg) contrast(1.1);
  mix-blend-mode: multiply;
}

/* Hero Text */
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
}

.hero-text.visible { opacity: 1; transform: translateX(0); }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.eyebrow-line {
  display: block;
  width: 36px;
  height: 1px;
  background: var(--g-silver);
}

.eyebrow-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--s-500);
}

.hero-h1 {
  font-family: var(--f-display);
  font-size: clamp(3rem, 5.5vw, 5.2rem);
  font-weight: 700;
  line-height: 1.0;
  display: flex;
  flex-direction: column;
  gap: 0.1em;
}

.h1-line {
  display: block;
  color: var(--s-100);
  opacity: 0;
  transform: translateY(24px);
  animation: none;
}

.h1-line.animate { animation: fadeSlideUp 0.8s var(--ease-out) forwards; }
.h1-line:nth-child(2).animate { animation-delay: 0.12s; }

@keyframes fadeSlideUp {
  to { opacity: 1; transform: translateY(0); }
}

.h1-silver {
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmer 5s ease-in-out 1s infinite !important;
}

@keyframes shimmer {
  0%,100% { background-position: 0% center; }
  50%      { background-position: 100% center; }
}

.hero-quote {
  font-family: var(--f-accent);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-style: italic;
  color: var(--s-400);
  line-height: 1.5;
  border-top: 2px solid var(--s-700);
  padding-top: 0.8rem;
}

.hero-body {
  font-size: 0.93rem;
  color: var(--s-500);
  line-height: 1.85;
  max-width: 460px;
}

/* CTA Buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0a0a14;
  background: var(--g-silver);
  background-size: 180% auto;
  border: none;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: background-position var(--t-med) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 20%, rgba(255,255,255,0.45) 50%, transparent 80%);
  transform: translateX(-100%);
  transition: transform 0.5s var(--ease);
}

.btn-primary:hover {
  background-position: right center;
  box-shadow: 0 6px 28px rgba(180,180,240,0.35);
  transform: translateY(-2px);
}

.btn-primary:hover::before { transform: translateX(100%); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--s-300);
  border: var(--b-2);
  border-radius: var(--r-full);
  background: transparent;
  backdrop-filter: blur(8px);
  transition: all var(--t-fast) var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--c-surface-h);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}

.btn-outline:hover {
  color: var(--s-100);
  border-color: rgba(200,200,240,0.4);
}

.btn-outline:hover::before { transform: scaleX(1); }
.btn-outline svg, .btn-outline span { position: relative; z-index: 1; }

/* Metrics */
.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding-top: 0.5rem;
  border-top: var(--b-1);
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
}

.metric-num {
  font-family: var(--f-display);
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.metric-suf {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--s-600);
}

.metric-div {
  width: 1px;
  height: 32px;
  background: var(--s-800);
}


.fb-icon { font-size: 0.85rem; color: var(--s-400); }

/* Scroll Cue */
.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 2;
  opacity: 0;
  animation: pre-fadeup 0.6s var(--ease-out) 3s forwards;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--s-600), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,100% { transform: scaleY(1); opacity: 0.6; }
  50%      { transform: scaleY(1.2); opacity: 1; }
}

.scroll-cue span {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--s-700);
}


/* ═══════════════════════════════════════
   TICKER
═══════════════════════════════════════ */
.ticker {
  border-top: var(--b-1);
  border-bottom: var(--b-1);
  background: rgba(200,200,255,0.02);
  padding: 0.7rem 0;
  overflow: hidden;
  position: relative;
}

.ticker::before, .ticker::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.ticker::before {
  left: 0;
  background: linear-gradient(90deg, var(--c-bg), transparent);
}

.ticker::after {
  right: 0;
  background: linear-gradient(-90deg, var(--c-bg), transparent);
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: ticker-scroll 30s linear infinite;
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--s-600);
}

.ticker-track:hover { animation-play-state: paused; }

.ticker-track .dot { color: var(--s-800); font-size: 0.5rem; }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}


/* ═══════════════════════════════════════
   SHARED SECTION STYLES
═══════════════════════════════════════ */
.section { position: relative; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 7rem 2rem;
}

.section-head {
  text-align: center;
  margin-bottom: 4rem;
}

.sec-label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--s-600);
  margin-bottom: 0.75rem;
  position: relative;
}

.sec-label::before, .sec-label::after {
  content: '—';
  color: var(--s-700);
  margin: 0 0.5rem;
}

.sec-title {
  font-family: var(--f-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
  line-height: 1.15;
}

.sec-sub {
  font-size: 0.9rem;
  color: var(--s-400);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Section dividers */
.collections::before,
.testimonials::before,
.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,200,240,0.1), transparent);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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


/* ═══════════════════════════════════════
   COLLECTIONS
═══════════════════════════════════════ */
.collections { background: var(--c-bg); }

.col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.25rem;
}

.col-card {
  background: var(--c-surface);
  border: var(--b-1);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--t-med) var(--ease),
              transform var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease);
}

.col-card:hover, .col-card:focus-visible {
  border-color: rgba(200,200,240,0.25);
  transform: translateY(-6px);
  box-shadow: var(--sh-card), var(--sh-glow);
  outline: none;
}

.col-visual {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--c-bg-3);
}

.col-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}

.col-card:hover .col-image {
  transform: scale(1.05);
}

.col-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4,4,12,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.col-card:hover .col-overlay,
.col-card:focus-visible .col-overlay { opacity: 1; }

.col-cta {
  padding: 0.6rem 1.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0a0a14;
  background: var(--g-silver);
  border-radius: var(--r-full);
  transition: transform var(--t-fast);
}

.col-cta:hover { transform: scale(1.04); }

.col-info {
  padding: 1.3rem 1.5rem 1.5rem;
}

.col-name {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--s-200);
  margin-bottom: 0.3rem;
}

.col-desc {
  font-size: 0.8rem;
  color: var(--s-600);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.col-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.col-price {
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.col-arr {
  font-size: 1rem;
  color: var(--s-700);
  transition: transform var(--t-fast), color var(--t-fast);
}

.col-card:hover .col-arr {
  color: var(--s-400);
  transform: translateX(4px);
}

.col-cta-wrap {
  display: flex;
  justify-content: center;
  padding-top: 3rem;
}


/* ═══════════════════════════════════════
   ABOUT
═══════════════════════════════════════ */
.about { background: var(--c-bg-2); }

.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,200,240,0.1), transparent);
}

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

/* About Visual */
.about-visual {
  position: relative;
}

.about-ring-wrap {
  border-radius: var(--r-xl);
  overflow: hidden;
  background: radial-gradient(circle at 40% 40%, rgba(50,50,110,0.35), var(--c-bg-3));
  border: var(--b-1);
  aspect-ratio: 1;
}

#about-canvas { width: 100% !important; height: 100% !important; }

.about-cert {
  position: absolute;
  top: 1.5rem;
  right: -1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  background: rgba(12,12,22,0.9);
  border: var(--b-2);
  border-radius: var(--r-full);
  backdrop-filter: blur(12px);
  font-size: 0.72rem;
}

.cert-icon { font-size: 1rem; color: var(--s-400); }
.cert-text { display: flex; flex-direction: column; line-height: 1.2; }
.cert-text strong { font-size: 0.75rem; color: var(--s-200); font-weight: 600; }
.cert-text span   { font-size: 0.65rem; color: var(--s-600); letter-spacing: 0.08em; }

.about-years {
  position: absolute;
  bottom: -1.2rem;
  left: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1rem 1.4rem;
  background: var(--g-silver);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-card);
  animation: about-float 3.5s ease-in-out infinite;
}

@keyframes about-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.years-num {
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 700;
  color: #0a0a14;
  line-height: 1;
}

.years-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(10,10,20,0.65);
}

/* About Content */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.about-content .sec-label,
.about-content .sec-title,
.about-content .about-lead,
.about-content .about-body,
.about-content .pill strong,
.about-content .pill span {
  color: #0a0a0f !important;
  font-weight: 800 !important;
}

.about-content .sec-title {
  -webkit-text-fill-color: #0a0a0f !important;
  background: none !important;
  font-size: clamp(2.8rem, 5vw, 4rem) !important;
}

.about-lead {
  font-family: var(--f-accent);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--s-300);
  line-height: 1.7;
  border-left: 2px solid var(--s-700);
  padding-left: 1rem;
}

.about-body {
  font-size: 0.88rem;
  color: var(--s-600);
  line-height: 1.9;
}

.about-pills {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 0.4rem 0;
}

.pill {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--c-surface);
  border: var(--b-1);
  border-radius: var(--r-md);
  transition: all var(--t-fast) var(--ease);
}

.pill:hover {
  background: var(--c-surface-h);
  border-color: rgba(200,200,240,0.2);
}

.pill-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.pill strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--s-200);
  margin-bottom: 0.15rem;
}

.pill span {
  font-size: 0.77rem;
  color: var(--s-600);
  line-height: 1.5;
}

.about-actions { padding-top: 0.5rem; }


/* ═══════════════════════════════════════
   PROCESS
═══════════════════════════════════════ */
.process {
  background: var(--c-bg);
}

.process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,200,240,0.1), transparent);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  position: relative;
}

.process-card {
  position: relative;
  padding: 2.2rem 1.6rem;
  background: var(--c-surface);
  border: var(--b-1);
  border-radius: var(--r-lg);
  transition: all var(--t-med) var(--ease);
  overflow: hidden;
}

.process-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(160,160,240,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--t-med);
}

.process-card:hover {
  border-color: rgba(200,200,240,0.22);
  transform: translateY(-4px);
  box-shadow: var(--sh-card);
}

.process-card:hover::before { opacity: 1; }

.proc-num {
  font-family: var(--f-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(0,0,0,0.06);
  line-height: 1;
  margin-bottom: 1rem;
  user-select: none;
}

.proc-icon-wrap {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.04);
  border: var(--b-1);
  border-radius: var(--r-md);
  margin-bottom: 1.2rem;
}

.proc-icon { font-size: 1.3rem; }

.proc-title {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--s-200);
  margin-bottom: 0.6rem;
}

.proc-desc {
  font-size: 0.82rem;
  color: var(--s-400);
  line-height: 1.75;
}


/* ═══════════════════════════════════════
   TESTIMONIALS
═══════════════════════════════════════ */
.testimonials { background: var(--c-bg-2); }

.testi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}

.testi-card {
  padding: 2rem;
  background: var(--c-surface);
  border: var(--b-1);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: all var(--t-med) var(--ease);
  position: relative;
}

.testi-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem; left: 1.5rem;
  font-family: var(--f-display);
  font-size: 4rem;
  color: rgba(200,200,240,0.07);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.testi-card:hover {
  border-color: rgba(200,200,240,0.2);
  transform: translateY(-4px);
  box-shadow: var(--sh-card);
}

.testi-stars { font-size: 0.8rem; color: var(--c-gold-l); letter-spacing: 0.1em; }

.testi-quote {
  font-family: var(--f-accent);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--s-500);
  line-height: 1.8;
  flex: 1;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: var(--b-1);
  padding-top: 1rem;
}

.author-av {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--g-silver);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 700;
  color: #0a0a14;
  flex-shrink: 0;
}

.testi-author strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--s-300);
}

.testi-author span {
  display: block;
  font-size: 0.72rem;
  color: var(--s-700);
  letter-spacing: 0.06em;
}


/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
.contact { background: var(--c-bg); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  background: var(--c-surface);
  border: var(--b-1);
  border-radius: var(--r-md);
  transition: all var(--t-fast) var(--ease);
}

.info-card:hover {
  background: var(--c-surface-h);
  border-color: rgba(200,200,240,0.2);
}

.info-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 0.1rem; }

.info-body h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--s-300);
  margin-bottom: 0.25rem;
  letter-spacing: 0.04em;
}

.info-body p, .info-body a {
  font-size: 0.82rem;
  color: var(--s-600);
  line-height: 1.6;
}

.info-body a:hover { color: var(--s-300); text-decoration: underline; }

/* CTA Card */
.cta-card {
  background: var(--c-surface);
  border: var(--b-2);
  border-radius: var(--r-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(60,60,140,0.06), transparent 60%);
  pointer-events: none;
}

.cta-emblem {
  font-size: 2rem;
  color: var(--s-500);
  display: block;
  text-align: center;
}

.cta-card h3 {
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-card p {
  font-size: 0.85rem;
  color: var(--s-600);
  line-height: 1.8;
}

.btn-wa-large {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem 2rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--g-wa);
  border-radius: var(--r-full);
  transition: all var(--t-fast) var(--ease);
  position: relative;
  overflow: hidden;
  box-shadow: var(--sh-wa);
}

.btn-wa-large::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  transform: translateX(-100%);
  transition: transform 0.5s var(--ease);
}

.btn-wa-large:hover {
  box-shadow: 0 12px 40px rgba(37,211,102,0.45);
  transform: translateY(-2px);
}

.btn-wa-large:hover::before { transform: translateX(100%); }

.cta-note {
  font-size: 0.72rem;
  color: var(--s-700);
  letter-spacing: 0.08em;
}


/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.footer {
  background: #05050e;
  border-top: var(--b-1);
  padding: 2.5rem 2rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.footer-brand strong {
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 600;
  background: var(--g-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--s-700);
  text-transform: uppercase;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 0.1rem;
}

.footer-nav a {
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  color: var(--s-700);
  letter-spacing: 0.06em;
  transition: color var(--t-fast);
  border-radius: var(--r-full);
}

.footer-nav a:hover { color: var(--s-400); }

.footer-copy {
  font-size: 0.7rem;
  color: var(--s-800);
  letter-spacing: 0.08em;
  line-height: 1.6;
}


/* ═══════════════════════════════════════
   FLOATING ELEMENTS
═══════════════════════════════════════ */
/* WhatsApp FAB */
.fab-wa {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  z-index: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.3rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--g-wa);
  border-radius: var(--r-full);
  box-shadow: var(--sh-wa);
  transition: all var(--t-fast) var(--ease);
  white-space: nowrap;
  text-transform: uppercase;
}

.fab-wa:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 42px rgba(37,211,102,0.5);
}

.fab-wa svg { flex-shrink: 0; animation: wa-bounce 2.5s ease-in-out infinite; }

@keyframes wa-bounce {
  0%,100% { transform: scale(1); }
  50%      { transform: scale(1.12); }
}

/* Back to top */
.fab-top {
  position: fixed;
  bottom: 5.2rem;
  right: 1.8rem;
  z-index: 799;
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--s-400);
  background: var(--c-surface);
  border: var(--b-2);
  border-radius: 50%;
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: all var(--t-fast) var(--ease);
  text-decoration: none;
}

.fab-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.fab-top:hover {
  color: var(--s-100);
  border-color: rgba(200,200,240,0.35);
  background: var(--c-surface-h);
  transform: translateY(-2px);
}


/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .about-visual {
    max-width: 420px;
    margin: 0 auto;
  }

  .about-years { bottom: -1rem; }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-layout {
    padding: 2rem 2rem 5rem;
  }

  .hero-eyebrow { justify-content: center; }
  .hero-body { margin: 0 auto; }

}

@media (max-width: 768px) {
  .nav { display: none; }
  .btn-wa-nav { display: none; }
  .hamburger { display: flex; }

  :root { --nav-h: 64px; }

  .container { padding: 5rem 1.25rem; }

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

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

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

  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0.5rem;
    width: 100%;
  }

  .metric-div { display: none; }
  .metric { align-items: center; }

  .float-badge { display: none; }

  .fab-wa span { display: none; }
  .fab-wa { padding: 0.8rem; border-radius: 50%; }
  .fab-top { bottom: 5rem; right: 1.25rem; }
  .fab-wa { bottom: 1.25rem; right: 1.25rem; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 2.6rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-primary, .btn-outline { justify-content: center; width: 100%; }

  .col-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .metric-div { display: none; }
}

/* CSS Fallback Ring (no WebGL) */
.css-ring {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 18px solid transparent;
  background:
    linear-gradient(var(--c-bg-3), var(--c-bg-3)) padding-box,
    var(--g-silver) border-box;
  animation: css-spin 7s linear infinite;
  box-shadow: 0 0 40px rgba(160,160,220,0.2);
  margin: auto;
}

@keyframes css-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.col-card:nth-child(1) { transition-delay: 0s; }
.col-card:nth-child(2) { transition-delay: 0.08s; }
.col-card:nth-child(3) { transition-delay: 0.16s; }
.col-card:nth-child(4) { transition-delay: 0.24s; }

.process-card:nth-child(1) { transition-delay: 0s; }
.process-card:nth-child(2) { transition-delay: 0.1s; }
.process-card:nth-child(3) { transition-delay: 0.2s; }
.process-card:nth-child(4) { transition-delay: 0.3s; }

.testi-card:nth-child(1) { transition-delay: 0s; }
.testi-card:nth-child(2) { transition-delay: 0.1s; }
.testi-card:nth-child(3) { transition-delay: 0.2s; }