/* ═══════════════════════════════════════════════════════════════
   HARVOL — Design System V3
   Aesthetic: Swiss Private Banking / Editorial Luxury
   Reference: Lombard Odier, Pictet, Julius Baer, AP Royal Oak
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ── The Palette: One Accent, Total Discipline ── */
  --black:         #000000;
  --ink:           #0b0b0e;
  --carbon:        #111114;
  --steel:         #1a1a1f;
  --graphite:      #242429;

  --silver:        #c8cad0;
  --dove:          #9a9da8;
  --slate:         #62656f;
  --ash:           #3d3f46;

  --white:         #f0f0f2;
  --cream:         #e8e6e1;

  /* Single accent: muted champagne — warm, not techy */
  --accent:        #c9a96e;
  --accent-dim:    rgba(201, 169, 110, 0.12);
  --accent-glow:   rgba(201, 169, 110, 0.25);

  /* Functional (used sparingly) */
  --fn-positive:   #6bbd8a;
  --fn-negative:   #d4687a;

  /* ── Typography ── */
  --font-display:  'Cormorant Garamond', 'Georgia', serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:     'JetBrains Mono', 'SF Mono', monospace;

  /* ── Spacing ── */
  --s-xs:  0.5rem;
  --s-sm:  1rem;
  --s-md:  1.5rem;
  --s-lg:  2.5rem;
  --s-xl:  4rem;
  --s-2xl: 7rem;
  --s-3xl: 10rem;

  /* ── Borders ── */
  --rule: rgba(255, 255, 255, 0.06);
  --rule-hover: rgba(255, 255, 255, 0.15);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--silver);
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: pageFadeIn 0.8s ease-out forwards;
}

@keyframes pageFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

::selection {
  background: var(--accent);
  color: var(--black);
}

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

/* ═══════════════════════════
   TYPOGRAPHY — Editorial
   ═══════════════════════════ */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  margin-bottom: var(--s-md);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  margin-bottom: var(--s-sm);
}

h3 {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--s-xs);
}

p {
  color: var(--dove);
  margin-bottom: var(--s-sm);
  font-size: 1rem;
  max-width: 60ch;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--silver);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover { color: var(--white); }

/* Monospace labels (consistent everywhere) */
.label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate);
  display: block;
}

.label--accent { color: var(--accent); }

/* ═══════════════════════════
   LAYOUT
   ═══════════════════════════ */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--s-lg);
}

.container--narrow { max-width: 900px; }

section {
  padding: var(--s-2xl) 0;
  position: relative;
}

.grid { display: grid; gap: var(--s-lg); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2-1 { grid-template-columns: 2fr 1fr; }
.grid--1-2 { grid-template-columns: 1fr 2fr; }
.grid--asymmetric { grid-template-columns: 1.2fr 0.8fr; }

/* Horizontal Rule — used everywhere instead of random borders */
.rule {
  width: 100%;
  height: 1px;
  background: var(--rule);
  border: none;
  margin: var(--s-xl) 0;
}

/* ═══════════════════════════
   HEADER / NAV
   ═══════════════════════════ */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--rule);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);
  padding: 1.25rem 0;
}

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

.logo {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.logo-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.8125rem;
  color: var(--slate);
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0; right: 0;
  height: 1px;
  background: var(--accent);
}

/* ═══════════════════════════
   BUTTONS — Machined, Not Flat
   ═══════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2.25rem;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  text-decoration: none;
}

.btn--primary {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.btn--primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  border-color: var(--ash);
  color: var(--silver);
}

.btn--ghost:hover {
  border-color: var(--white);
  color: var(--white);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
}

/* ═══════════════════════════
   CARDS / PANELS
   ═══════════════════════════ */
.card {
  background: var(--carbon);
  border: 1px solid var(--rule);
  padding: var(--s-lg);
  position: relative;
  transition: border-color 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.card:hover {
  border-color: var(--rule-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.card--feature {
  padding: var(--s-xl) var(--s-lg);
}

.card--highlight {
  border-color: var(--accent-dim);
  background: linear-gradient(170deg, rgba(201,169,110,0.04) 0%, var(--carbon) 40%);
}

.card--highlight:hover {
  border-color: rgba(201, 169, 110, 0.3);
}

/* ═══════════════════════════
   METRIC DISPLAYS
   ═══════════════════════════ */
.metric {
  display: flex;
  flex-direction: column;
}

.metric__value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.03em;
}

.metric__value--sm {
  font-size: 1.75rem;
}

.metric__unit {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--slate);
  letter-spacing: 0.1em;
}

.metrics-bar {
  display: flex;
  gap: var(--s-xl);
  padding: var(--s-lg) var(--s-xl);
  background: var(--ink);
  border: 1px solid var(--rule);
}

.metrics-bar .divider {
  width: 1px;
  align-self: stretch;
  background: var(--rule);
}

/* ═══════════════════════════
   DATA TABLE
   ═══════════════════════════ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate);
  text-align: left;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule-hover);
}

.data-table td {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--dove);
}

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--silver);
}

/* ═══════════════════════════
   HERO — Full Atmospheric
   ═══════════════════════════ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.hero__bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  z-index: 0;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.4) 0%,
    rgba(0,0,0,0.7) 50%,
    var(--black) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

/* ═══════════════════════════
   IMAGE SECTIONS
   ═══════════════════════════ */
.image-panel {
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

.image-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.image-panel__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 100%);
  z-index: 1;
}

/* ═══════════════════════════
   FORM CONTROLS
   ═══════════════════════════ */
.form-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--slate);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.form-input {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--rule);
  color: var(--white);
  padding: 0.875rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 300;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 1.5rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.form-input::placeholder { color: var(--ash); }

textarea.form-input { resize: vertical; min-height: 120px; }

/* ═══════════════════════════
   FOOTER
   ═══════════════════════════ */
footer {
  margin-top: auto;
  border-top: 1px solid var(--rule);
  padding: var(--s-2xl) 0 var(--s-lg);
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--s-xl);
  margin-bottom: var(--s-2xl);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--s-sm);
  font-weight: 500;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.625rem; }
.footer-col a { color: var(--ash); font-size: 0.875rem; }
.footer-col a:hover { color: var(--silver); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--s-md);
  border-top: 1px solid var(--rule);
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--ash);
  letter-spacing: 0.05em;
}

.footer-bottom a { color: var(--ash); }
.footer-bottom a:hover { color: var(--silver); }

/* ═══════════════════════════
   ANIMATIONS — Understated
   ═══════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1),
              transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Stagger children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.4s; }
.stagger > *:nth-child(6) { transition-delay: 0.5s; }

/* ═══════════════════════════
   ACCENT UNDERLINE — Sweep In
   ═══════════════════════════ */
.accent-line {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin-bottom: var(--s-md);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1) 0.2s;
}

.visible .accent-line,
.reveal.visible .accent-line,
.accent-line.visible {
  transform: scaleX(1);
}

/* ═══════════════════════════
   INPUT FOCUS PULSE
   ═══════════════════════════ */
@keyframes focusPulse {
  0%   { box-shadow: 0 0 0 1px var(--accent-dim); }
  50%  { box-shadow: 0 0 0 3px var(--accent-dim), 0 0 16px var(--accent-glow); }
  100% { box-shadow: 0 0 0 1px var(--accent-dim); }
}

.form-input:focus {
  animation: focusPulse 2s ease-in-out infinite;
}

/* ═══════════════════════════
   BUTTON HOVER SHIMMER
   ═══════════════════════════ */
.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,0.25) 50%,
    transparent 70%
  );
  transition: left 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
}

.btn--primary:hover::after {
  left: 120%;
}

/* ═══════════════════════════
   METRIC VALUE — Scale In
   ═══════════════════════════ */
.metric__value {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1) 0.3s,
              transform 1s cubic-bezier(0.25, 1, 0.5, 1) 0.3s;
}

.visible .metric__value {
  opacity: 1;
  transform: scale(1);
}

/* ═══════════════════════════
   VDR BAR — Slide Down
   ═══════════════════════════ */
@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.vdr-bar {
  animation: slideDown 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ═══════════════════════════
   FILE ITEM — Stagger In
   ═══════════════════════════ */
@keyframes fileSlideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.file-item {
  opacity: 0;
  animation: fileSlideIn 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.file-item:nth-child(1) { animation-delay: 0.1s; }
.file-item:nth-child(2) { animation-delay: 0.2s; }
.file-item:nth-child(3) { animation-delay: 0.3s; }
.file-item:nth-child(4) { animation-delay: 0.4s; }
.file-item:nth-child(5) { animation-delay: 0.5s; }

/* ═══════════════════════════
   KEN BURNS — Slow Zoom
   ═══════════════════════════ */
@keyframes kenBurns {
  0%   { transform: scale(1); }
  100% { transform: scale(1.06); }
}

.image-panel--ken-burns img {
  animation: kenBurns 20s ease-in-out infinite alternate;
}

/* ═══════════════════════════
   PROFILE INITIAL — Border Draw
   ═══════════════════════════ */
@keyframes borderDraw {
  from { border-color: transparent; }
  to   { border-color: var(--accent-dim); }
}

.profile__initial {
  border-color: transparent;
}

.visible .profile__initial {
  animation: borderDraw 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

/* ═══════════════════════════
   GATEWAY — Accent Top Sweep
   ═══════════════════════════ */
@keyframes accentSweep {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.gateway::before {
  transform: scaleX(0);
  animation: accentSweep 1.2s cubic-bezier(0.25, 1, 0.5, 1) 0.4s forwards;
}

/* ═══════════════════════════
   CHART WRAP — Border Glow
   ═══════════════════════════ */
@keyframes chartGlow {
  0%   { border-color: var(--rule); box-shadow: none; }
  50%  { border-color: var(--accent-dim); box-shadow: 0 0 24px rgba(201,169,110,0.08); }
  100% { border-color: var(--rule); box-shadow: none; }
}

.chart-wrap.visible {
  animation: chartGlow 3s ease-in-out 0.8s;
}

/* ═══════════════════════════
   HERO PARALLAX-LITE
   ═══════════════════════════ */
.hero--parallax .hero__bg {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* ═══════════════════════════
   FORM SUCCESS
   ═══════════════════════════ */
@keyframes successPulse {
  0%   { border-color: var(--fn-positive); box-shadow: 0 0 0 0 rgba(107,189,138,0.3); }
  50%  { box-shadow: 0 0 0 6px rgba(107,189,138,0); }
  100% { border-color: var(--fn-positive); box-shadow: none; }
}

.btn--success {
  border-color: var(--fn-positive) !important;
  color: var(--fn-positive) !important;
  background: transparent !important;
  animation: successPulse 0.8s ease-out;
}

/* ═══════════════════════════
   RESPONSIVE
   ═══════════════════════════ */
@media (max-width: 1024px) {
  .grid--2, .grid--3, .grid--2-1, .grid--1-2, .grid--asymmetric {
    grid-template-columns: 1fr;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 70vh; }
  h1 { font-size: 2.5rem; }
}

@media (max-width: 640px) {
  .container { padding: 0 var(--s-sm); }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.75rem; }
  .metrics-bar { flex-direction: column; gap: var(--s-sm); }
  .footer-grid { grid-template-columns: 1fr; }
}