/* latin-ext */
@font-face {
font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/newsreader-italic-400-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/newsreader-italic-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Newsreader';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/newsreader-italic-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Newsreader';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/newsreader-italic-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/newsreader-normal-400-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/newsreader-normal-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Newsreader';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/newsreader-normal-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Newsreader';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/newsreader-normal-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Newsreader';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/newsreader-normal-600-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Newsreader';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/newsreader-normal-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-400-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-600-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-700-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-normal-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   OPJ Family Advisory LLP — Architectural System
   Typography: Newsreader (Traditional Editorial Serif for Headings)
               + Plus Jakarta Sans (Clean Geometric Sans for Body)
   Palette: Strict Blue, Slate, White (Single Cohesive Accent)
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  /* Canvas & Alternating Shades */
  --c-bg-white: #FFFFFF;
  --c-bg-subtle: #F8FAFC;
  --c-surface: #FFFFFF;
  
  /* Ink & Text */
  --c-ink-primary: #0A1326;     /* Midnight black-blue */
  --c-ink-body: #1E293B;        /* Dense slate body text */
  --c-ink-secondary: #475569;   /* Muted slate text */
  --c-ink-faint: #94A3B8;       /* Subtle metadata */

  /* Single Accent Color: Classic Blue */
  --c-accent: #2563EB;          /* Primary single accent blue */
  --c-accent-dark: #1E40AF;     /* Hover dark blue */
  --c-accent-subtle: #EFF6FF;   /* Soft tinted ice-blue */
  --c-accent-glow: rgba(37, 99, 235, 0.14);

  /* Hairlines & Lines */
  --c-line: #E2E8F0;
  --c-line-subtle: rgba(226, 232, 240, 0.7);

  /* Typography System */
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;

  /* Spatial Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --max-width: 1140px;
  --header-h: 68px;

  /* Restrained Easing */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --trans-fast: 0.2s var(--ease-smooth);
  --trans-norm: 0.3s var(--ease-smooth);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--c-bg-white);
  color: var(--c-ink-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

/* Typography Headings: Traditional, Established Serif */
h1, h2, h3, h4,
.hero-title,
.label-heading,
.founder-name,
.pillar-title,
.process-name,
.mail-card-title {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--c-ink-primary);
  line-height: 1.22;
}

/* Typography Body: Clean Sans-Serif */
p, span, a, button, li, .fact-term, .fact-val, .label-number, .email-tag, .btn {
  font-family: var(--font-sans);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--c-line-subtle);
  transition: background-color var(--trans-norm), box-shadow var(--trans-norm);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 18px rgba(10, 19, 38, 0.04);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--c-ink-primary);
  transition: transform var(--trans-fast);
}

.brand-link:hover {
  transform: translateY(-1px);
}

.monogram-icon {
  flex-shrink: 0;
  color: var(--c-accent);
  transition: color var(--trans-fast);
}

.brand-name {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--c-ink-primary);
  line-height: 1.15;
}

/* Nav Menu & Pill Group */
.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-pill-group {
  gap: var(--space-1);
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  padding: 4px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(10, 19, 38, 0.03);
}

.nav-anchor {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--c-ink-secondary);
  padding: 6px 14px;
  border-radius: 999px;
  transition: color var(--trans-fast), background-color var(--trans-fast);
}

.nav-anchor:hover {
  color: var(--c-ink-primary);
  background-color: var(--c-bg-subtle);
}

.nav-anchor i {
  color: var(--c-accent);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--c-ink-primary);
  transition: transform var(--trans-fast), opacity var(--trans-fast);
}

/* --- Single Clear CTA Button Style (Identical across Nav, Hero, Contact) --- */
.btn-mail-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--c-accent);
  color: #FFFFFF !important;
  padding: 0.65rem 1.35rem;
  font-size: 0.86rem;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color var(--trans-fast), transform var(--trans-fast), box-shadow var(--trans-fast);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.18);
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-mail-cta:hover {
  background-color: var(--c-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
}

.btn-mail-cta i {
  font-size: 0.9rem;
}

/* Nav CTA Variant (Keeps same size/style, fits cleanly in pill group) */
.nav-cta {
  padding: 6px 16px;
  font-size: 0.82rem;
  box-shadow: none;
  border-radius: 999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.35rem;
  font-size: 0.86rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--trans-fast);
  text-decoration: none;
}

.btn-ghost {
  background-color: transparent;
  color: var(--c-ink-secondary);
}

.btn-ghost:hover {
  color: var(--c-ink-primary);
  background-color: rgba(10, 19, 38, 0.04);
}

.btn-outline {
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  color: var(--c-ink-primary);
  font-size: 0.82rem;
  padding: 0.45rem 0.9rem;
}

.btn-outline:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background-color: var(--c-accent-subtle);
}

/* --- Hero Section (Full Viewport Height) --- */
.hero-section {
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-6) 0 var(--space-5) 0;
  background-color: var(--c-bg-white);
  box-sizing: border-box;
}

.hero-section > .container {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  width: 100%;
}

.hero-content {
  max-width: 860px;
  margin-top: auto;
  margin-bottom: auto;
  padding: var(--space-4) 0;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  box-shadow: 0 2px 8px rgba(10, 19, 38, 0.03);
  margin-bottom: var(--space-4);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--c-accent);
}

.status-label {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.hero-title {
  font-size: clamp(2.5rem, 5.2vw, 4.2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: var(--space-4);
  color: var(--c-ink-primary);
}

.title-serif {
  font-style: italic;
  color: var(--c-accent);
}

.hero-summary {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.68;
  color: var(--c-ink-secondary);
  max-width: 780px;
  margin-bottom: var(--space-5);
}

.hero-cta-strip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Hero Facts Baseline */
.hero-footer-wrap {
  margin-top: auto;
  padding-top: var(--space-4);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-line-subtle);
}

.fact-cell {
  display: flex;
  flex-direction: column;
}

.fact-index {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: var(--space-1);
}

.fact-term {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-ink-secondary);
  margin-bottom: var(--space-1);
}

.fact-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-ink-primary);
  letter-spacing: -0.01em;
  line-height: 1.35;
}

/* --- Section Structure & Subtle Transitions --- */
.content-section {
  padding: var(--space-8) 0;
}

.section-white {
  background-color: var(--c-bg-white);
}

.section-subtle {
  background-color: var(--c-bg-subtle);
}

.section-label {
  margin-bottom: var(--space-6);
}

.label-number {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}

.label-heading {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--c-ink-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.label-sub {
  font-size: 1.02rem;
  color: var(--c-ink-secondary);
  margin-top: var(--space-2);
  max-width: 720px;
}

.label-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--c-accent);
  margin-top: var(--space-2);
  max-width: 740px;
  line-height: 1.5;
}

/* --- Section 01: Founder Section --- */
.founder-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-6);
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: var(--space-5);
  box-shadow: 0 4px 20px rgba(10, 19, 38, 0.03);
  align-items: center;
}

.founder-photo-wrap {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background-color: var(--c-bg-subtle);
  aspect-ratio: 4 / 5;
}

.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.founder-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.founder-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.founder-name {
  font-size: 1.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--c-ink-primary);
  line-height: 1.2;
}

.founder-title {
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.founder-bio {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.founder-bio p {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--c-ink-body);
}

.founder-direct-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 1rem;
  background-color: var(--c-accent-subtle);
  border-left: 3px solid var(--c-accent);
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-accent-dark);
  margin-top: var(--space-1);
}

.founder-direct-note i {
  color: var(--c-accent);
}

/* --- Section 02: Scope Pillars --- */
.pillars-list {
  display: flex;
  flex-direction: column;
}

.pillar-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1.1fr;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-3);
  border-top: 1px solid var(--c-line-subtle);
  border-radius: 6px;
  align-items: start;
  transition: background-color var(--trans-fast), transform var(--trans-fast);
}

.pillar-row:hover {
  background-color: var(--c-bg-subtle);
  transform: translateX(4px);
}

.pillar-row:last-child {
  border-bottom: 1px solid var(--c-line-subtle);
}

.pillar-lead {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pillar-index {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--c-accent);
}

.pillar-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--c-ink-primary);
  line-height: 1.2;
}

.pillar-description p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--c-ink-body);
}

.pillar-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: 0.86rem;
  color: var(--c-ink-secondary);
}

.point-item {
  line-height: 1.5;
}

/* --- Section 03: How We Work (Merged Process) --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.process-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
  box-shadow: 0 2px 8px rgba(10, 19, 38, 0.02);
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.08);
}

.process-step {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}

.process-name {
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--c-ink-primary);
  margin-bottom: var(--space-2);
}

.process-detail {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-ink-secondary);
}

/* --- Section 04: Portfolio Section (2 Columns) --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.09);
  border-color: var(--c-accent);
}

.portfolio-logo-area {
  display: flex;
  align-items: center;
  min-height: 64px;
}

.portfolio-logo-img {
  max-height: 52px;
  max-width: 190px;
  width: auto;
  object-fit: contain;
}

.portfolio-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.portfolio-type {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.portfolio-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-ink-secondary);
}

.portfolio-link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--c-accent);
  margin-top: var(--space-1);
}

/* --- Section 05: Direct Contact (Single "Mail Us" Card) --- */
.contact-single-wrap {
  max-width: 680px;
  margin: 0 auto;
}

.mail-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: var(--space-6);
  box-shadow: 0 6px 24px rgba(10, 19, 38, 0.03);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.mail-card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.email-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.mail-card-title {
  font-size: 1.65rem;
  color: var(--c-ink-primary);
}

.mail-card-desc {
  font-size: 0.95rem;
  color: var(--c-ink-secondary);
  max-width: 520px;
  line-height: 1.65;
}

.mail-card-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
}

.mail-address-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--trans-fast);
}

.mail-address-link:hover {
  color: var(--c-accent-dark);
}

.confidentiality-notice {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--c-bg-subtle);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--c-ink-secondary);
}

.notice-icon {
  color: var(--c-accent);
  font-size: 0.7rem;
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-7) 0 var(--space-7) 0;
  border-top: 1px solid var(--c-line-subtle);
  font-size: 0.84rem;
  color: var(--c-ink-secondary);
  background-color: var(--c-bg-white);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--c-line-subtle);
  margin-bottom: var(--space-5);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--c-ink-primary);
}

.footer-brand-info {
  display: flex;
  flex-direction: column;
}

.footer-firm {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-ink-primary);
}

.footer-tag {
  font-size: 0.74rem;
  color: var(--c-accent);
}

.footer-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 0.82rem;
  align-items: center;
}

/* Registered Details Block (Without Registered Address) */
.footer-reg-block {
  padding: var(--space-4);
  background-color: var(--c-bg-subtle);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  margin-bottom: var(--space-5);
}

.reg-title {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}

.reg-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  font-size: 0.82rem;
}

.reg-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin-bottom: 2px;
}

.reg-val {
  font-weight: 600;
  color: var(--c-ink-primary);
  line-height: 1.45;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.legal-text {
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--c-ink-secondary);
}

.privacy-text {
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--c-ink-faint);
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 1000;
  background-color: var(--c-ink-primary);
  color: #FFFFFF;
  padding: 0.75rem 1.35rem;
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(10, 19, 38, 0.2);
  border-left: 3px solid var(--c-accent);
  animation: toastSlide 0.25s var(--ease-smooth);
}

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

/* --- Scroll Reveal Mechanism --- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  will-change: opacity, transform;
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger multi-item groups (cascade delay 70-75ms per item) */
.pillar-row.reveal:nth-child(1) { transition-delay: 0ms; }
.pillar-row.reveal:nth-child(2) { transition-delay: 75ms; }
.pillar-row.reveal:nth-child(3) { transition-delay: 150ms; }

.process-card.reveal:nth-child(1) { transition-delay: 0ms; }
.process-card.reveal:nth-child(2) { transition-delay: 70ms; }
.process-card.reveal:nth-child(3) { transition-delay: 140ms; }
.process-card.reveal:nth-child(4) { transition-delay: 210ms; }

.portfolio-card.reveal:nth-child(1) { transition-delay: 0ms; }
.portfolio-card.reveal:nth-child(2) { transition-delay: 75ms; }

/* Ensure interactive hover effects are instant and smooth once elements are revealed */
.reveal.is-revealed:hover {
  transition-delay: 0s;
}

.pillar-row.reveal.is-revealed {
  transition: opacity 0.5s ease-out, background-color var(--trans-fast), transform var(--trans-fast);
}

.process-card.reveal.is-revealed,
.portfolio-card.reveal.is-revealed {
  transition: opacity 0.5s ease-out, transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
}

/* --- Prefers-Reduced-Motion Accessibility --- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    transition-delay: 0s !important;
  }
  
  .toast {
    animation: none !important;
  }
}

/* --- Responsive Media Queries --- */
@media (max-width: 960px) {
  .hero-title {
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  }

  .fact-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .founder-card {
    grid-template-columns: 280px 1fr;
    gap: var(--space-4);
  }

  .pillar-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

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

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

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--c-line);
    padding: var(--space-4);
    box-shadow: 0 10px 30px rgba(10, 19, 38, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--trans-norm), opacity var(--trans-norm);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--space-2);
  }

  .nav-pill-group {
    background-color: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .nav-anchor {
    display: flex;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border-radius: 6px;
  }

  .nav-cta {
    display: flex;
    width: 100%;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  .founder-card {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .founder-photo-wrap {
    max-width: 280px;
    margin: 0 auto;
    width: 100%;
  }

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

@media (max-width: 480px) {
  .fact-grid {
    grid-template-columns: 1fr;
  }

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