/* style.css — BP+ DFY-Inspired Design System */

/* ========================================
   CUSTOM PALETTE — Clinical Chic
   DFY-inspired: warm ivory bg, deep charcoal text,
   frost blue accent. NO pink.
   ======================================== */

:root {
  /* Surfaces — warm ivory, papery, DFY-like */
  --color-bg: #F5F3EE;
  --color-bg-warm: #EDE9E0;
  --color-surface: #FAF9F6;
  --color-surface-dark: #1A1A1A;
  --color-surface-mid: #2A2A28;

  /* Text */
  --color-text: #1A1A1A;
  --color-text-muted: #6B6860;
  --color-text-faint: #A8A49C;
  --color-text-inverse: #F5F3EE;

  /* Accent — Frost Blue, the one color moment */
  --color-accent: #7AACBF;
  --color-accent-deep: #4A8BA3;
  --color-accent-light: #B8D4E3;

  /* Editorial mark — thin red slash like DFY */
  --color-mark: #C4503A;

  /* Functional */
  --color-divider: rgba(26, 26, 26, 0.08);
  --color-divider-light: rgba(245, 243, 238, 0.12);

  /* Type scale — fluid */
  --text-xs: clamp(0.6875rem, 0.65rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.75rem + 0.25vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.875rem + 0.3vw, 1.0625rem);
  --text-lg: clamp(1.0625rem, 0.95rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1rem + 1.2vw, 2rem);
  --text-2xl: clamp(1.75rem, 1rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3.5rem, 1rem + 8vw, 10rem);
  --text-marquee: clamp(5rem, 2rem + 12vw, 16rem);

  /* Spacing — 4px grid */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;
  --space-48: 12rem;

  /* Radius — sharp, editorial */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 180ms;
  --duration-med: 400ms;
  --duration-slow: 800ms;

  /* Font families */
  --font-body: 'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;
  --font-display: 'Outfit', 'Pretendard Variable', sans-serif;
  --font-serif: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
}

/* ========================================
   INTRO / LOADER
   ======================================== */

.intro {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--color-surface-dark);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.intro.done {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2%);
}

.intro-marquee {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: var(--text-marquee);
  font-weight: 700;
  color: var(--color-text-inverse);
  opacity: 0.06;
  letter-spacing: -0.02em;
  animation: marquee-intro 20s linear infinite;
}

@keyframes marquee-intro {
  0% { transform: translateY(-50%) translateX(0); }
  100% { transform: translateY(-50%) translateX(-50%); }
}

.intro-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
}

.intro-line {
  flex: 1;
  height: 1px;
  background: var(--color-text-inverse);
  opacity: 0.3;
  margin-right: var(--space-6);
  transform-origin: left;
  animation: line-grow 3s var(--ease-out) forwards;
}

@keyframes line-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.intro-year {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-inverse);
  opacity: 0.7;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}

/* ========================================
   NAVIGATION — minimal, floating
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-8);
  mix-blend-mode: normal;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav.is-dark {
  color: var(--color-text-inverse);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  cursor: pointer;
}

.nav-logo sup {
  font-size: 0.55em;
  vertical-align: super;
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--duration-fast) var(--ease-out);
}

.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after { width: 100%; }

/* Music toggle — DFY equalizer style */
.music-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  color: inherit;
}

.music-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 16px;
}

.music-bars .bar {
  display: block;
  width: 2.5px;
  background: currentColor;
  border-radius: 1px;
  transition: height 0.3s var(--ease-out);
}

/* Paused state — static bars */
.music-bars .bar:nth-child(1) { height: 6px; }
.music-bars .bar:nth-child(2) { height: 12px; }
.music-bars .bar:nth-child(3) { height: 8px; }
.music-bars .bar:nth-child(4) { height: 14px; }

/* Playing state — animated bars */
.music-toggle.is-playing .music-bars .bar {
  animation: eq-bounce 0.8s var(--ease-in-out) infinite alternate;
}
.music-toggle.is-playing .music-bars .bar:nth-child(1) { animation-delay: 0s; }
.music-toggle.is-playing .music-bars .bar:nth-child(2) { animation-delay: 0.15s; }
.music-toggle.is-playing .music-bars .bar:nth-child(3) { animation-delay: 0.3s; }
.music-toggle.is-playing .music-bars .bar:nth-child(4) { animation-delay: 0.1s; }

@keyframes eq-bounce {
  0% { height: 4px; }
  100% { height: 16px; }
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-right-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast);
}

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

/* Mobile nav — compact dropdown */
.mobile-menu {
  position: fixed;
  top: 56px;
  right: var(--space-5);
  z-index: 99;
  background: var(--color-surface-dark);
  padding: var(--space-3) 0;
  min-width: 160px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25), 0 2px 8px rgba(0,0,0,0.15);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

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

.mobile-menu a {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  min-height: 44px;
  line-height: 44px;
  opacity: 0.85;
  transition: opacity var(--duration-fast), background var(--duration-fast);
}

.mobile-menu a:hover,
.mobile-menu a:active {
  opacity: 1;
  background: rgba(255,255,255,0.06);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav { padding: var(--space-4) var(--space-5); }
  .nav-logo { font-size: 1.2rem; }
  .nav-hamburger { padding: var(--space-3); min-width: 44px; min-height: 44px; justify-content: center; align-items: center; }
  .nav-right-group { gap: var(--space-2); }
  .music-toggle { min-width: 44px; min-height: 44px; }
}

/* ========================================
   HERO — DFY-style massive marquee
   ======================================== */

.hero {
  position: relative;
  min-height: 100dvh;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-marquee-wrap {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: var(--space-4) 0;
}

.hero-marquee {
  display: flex;
  white-space: nowrap;
  animation: marquee 25s linear infinite;
}

.hero-marquee span {
  font-family: var(--font-display);
  font-size: var(--text-marquee);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  padding-right: var(--space-8);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.hero-marquee .asterisk {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55em;
  margin: 0 var(--space-4);
  vertical-align: middle;
  opacity: 0.5;
}

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

/* Hero corner labels — DFY style */
.hero-label-left {
  position: absolute;
  bottom: var(--space-8);
  left: var(--space-8);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--color-text);
  opacity: 0.75;
}

.hero-label-right {
  position: absolute;
  z-index: 1;
  bottom: var(--space-8);
  right: var(--space-8);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: right;
  line-height: 1.5;
  color: var(--color-text);
  opacity: 0.75;
}

/* Red editorial slash — DFY signature element */
.hero-slash {
  position: absolute;
  top: 45%;
  left: 30%;
  width: 180px;
  height: 1px;
  background: var(--color-mark);
  transform: rotate(-35deg);
  transform-origin: left center;
  opacity: 0;
  animation: slash-draw 1s var(--ease-out) 2s forwards;
}

@keyframes slash-draw {
  from { opacity: 0; transform: rotate(-35deg) scaleX(0); }
  to { opacity: 0.7; transform: rotate(-35deg) scaleX(1); }
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  z-index: 1;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: 0.35;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-text);
  opacity: 0.3;
  animation: scroll-pulse 2s var(--ease-in-out) infinite;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.3; }
  50% { transform: scaleY(0.5); opacity: 0.15; }
}

@media (max-width: 768px) {
  .hero {
    min-height: 100svh;
  }
  .hero-marquee-wrap {
    padding: var(--space-2) 0;
  }
  .hero-marquee span {
    font-size: clamp(2.5rem, 1rem + 10vw, 5rem);
    padding-right: var(--space-4);
  }
  .hero-marquee .asterisk {
    font-size: 0.45em;
    margin: 0 var(--space-2);
  }
  .hero-label-left,
  .hero-label-right {
    bottom: var(--space-5);
    left: var(--space-5);
    right: var(--space-5);
  }
  .hero-label-right {
    display: none;
  }
  .hero-scroll { display: none; }
  #hero-3d-bg {
    opacity: 0.5;
  }
}

/* ========================================
   SECTION — MANIFESTO (DFY "WE LOVE" STYLE)
   Giant serif heading + image reel below
   ======================================== */

.manifesto {
  background: var(--color-bg);
  color: var(--color-text);
  position: relative;
  overflow: hidden;
}

/* — Giant serif heading area — */
.manifesto-heading-wrap {
  padding: clamp(3rem, 6vw, 7rem) var(--space-8) clamp(2rem, 4vw, 5rem);
  text-align: center;
  position: relative;
}

.manifesto-giant {
  font-family: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
  font-weight: 900;
  font-size: clamp(6rem, 2rem + 16vw, 22rem);
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin: 0;
  text-align: center;
  /* Slight upward lift to let letters breathe */
}

/* — Image / showcase reel — */
.manifesto-reel {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--color-surface-dark);
}

.manifesto-reel-track {
  position: absolute;
  inset: 0;
}

.reel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 1.2s var(--ease-out);
  will-change: opacity;
}

.reel-slide.is-active {
  opacity: 1;
}

.reel-slide-content {
  text-align: center;
  color: var(--color-text-inverse);
  position: relative;
  z-index: 2;
}

.reel-slide-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: var(--space-4);
}

.reel-slide-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1rem + 2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0;
}

/* Play Video button — HIDDEN per user request */
.reel-play-btn {
  display: none;
}

/* Reel navigation dots */
.reel-dots {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-8);
  z-index: 10;
  display: flex;
  gap: var(--space-2);
}

.reel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
  padding: 0;
}

.reel-dot.is-active {
  background: white;
  border-color: white;
}

.reel-dot:hover {
  border-color: rgba(255, 255, 255, 0.8);
}

/* Bottom overline */
.manifesto-bottom-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
  opacity: 0.4;
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-8);
  z-index: 10;
  margin: 0;
}

@media (max-width: 768px) {
  .manifesto-heading-wrap {
    padding: var(--space-10) var(--space-5) var(--space-6);
  }
  .manifesto-giant {
    font-size: clamp(3.5rem, 1.5rem + 12vw, 8rem);
    line-height: 0.85;
  }
  .manifesto-reel {
    aspect-ratio: 4 / 3;
  }
  .reel-slide-title {
    font-size: clamp(1.2rem, 0.8rem + 1.8vw, 2rem);
    padding: 0 var(--space-4);
  }
  .reel-slide-label {
    font-size: 0.65rem;
    margin-bottom: var(--space-3);
  }
  .manifesto-bottom-label {
    left: var(--space-5);
    bottom: var(--space-4);
    font-size: 0.6rem;
    max-width: 50%;
    line-height: 1.4;
  }
  .reel-dots {
    right: var(--space-5);
    bottom: var(--space-4);
  }
  .reel-dot {
    width: 10px;
    height: 10px;
  }
}

@media (max-width: 390px) {
  .manifesto-giant {
    font-size: clamp(3rem, 1rem + 12vw, 6rem);
  }
}

/* ========================================
   SECTION — BRAND STRUCTURE
   3 business units, minimal cards
   ======================================== */

.structure {
  background: var(--color-bg);
  padding: var(--space-32) var(--space-8);
  position: relative;
}

.structure-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-overline {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-16);
  max-width: 800px;
}

.structure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
}

.structure-card {
  background: var(--color-bg);
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: background var(--duration-fast) var(--ease-out);
}

.structure-card:hover {
  background: var(--color-surface);
}

.structure-card-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent-deep);
  text-transform: uppercase;
}

.structure-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.structure-card-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.structure-card-desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 38ch;
}

.structure-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.structure-card-features li {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.structure-card-features li::before {
  content: '—';
  color: var(--color-accent-deep);
  font-size: 0.8em;
}

@media (max-width: 768px) {
  .structure {
    padding: var(--space-16) var(--space-5);
  }
  .section-heading {
    font-size: clamp(1.75rem, 1rem + 3vw, 2.5rem);
    margin-bottom: var(--space-10);
  }
  .structure-grid {
    grid-template-columns: 1fr;
    gap: 0;
    border: none;
    background: none;
  }
  .structure-card {
    padding: var(--space-8) var(--space-5);
    border-bottom: 1px solid var(--color-divider);
  }
  .structure-card:last-child {
    border-bottom: none;
  }
  .structure-card-desc {
    max-width: none;
  }
  .structure-card-features {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
  }
  .structure-card-features li {
    font-size: var(--text-xs);
  }
}

/* ========================================
   SECTION — NUMBERS / STATS
   Horizontal strip with big numbers
   ======================================== */

.numbers {
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
  padding: var(--space-16) var(--space-8);
  overflow: hidden;
}

.numbers-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.number-item {
  text-align: left;
}

.number-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-3);
}

.number-value .accent {
  color: var(--color-accent-light);
}

.number-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.45;
}

@media (max-width: 768px) {
  .numbers { padding: var(--space-12) var(--space-5); }
  .numbers-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6) var(--space-4);
  }
  .number-value {
    font-size: clamp(1.75rem, 1rem + 3vw, 2.5rem);
  }
  .number-label {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
  }
}

/* ========================================
   SECTION — WHY BP+ (DFY ABOUT STYLE)
   Fullscreen image hero + text overlay,
   then content grid below
   ======================================== */

.why {
  background: var(--color-bg);
  position: relative;
}

/* Fullscreen image hero area */
.why-hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.why-hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('https://images.unsplash.com/photo-1518531933037-91b2f5f229cc?w=1920&q=80&auto=format&fit=crop')
    center / cover no-repeat;
}

.why-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.08);
}

.why-hero-text {
  position: relative;
  z-index: 2;
  padding: var(--space-8);
  padding-left: clamp(2rem, 4vw, 5rem);
}

.why-hero-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4rem, 2rem + 10vw, 16rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: rgba(245, 243, 238, 0.9);
  margin: 0;
  text-transform: uppercase;
}

.why-hero-heading em {
  font-style: italic;
  font-weight: 300;
}

.why-hero-heading sup {
  font-size: 0.35em;
  vertical-align: super;
  font-weight: 400;
}

/* Content grid below the hero */
.why-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-8) var(--space-32);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
}

.why-item {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.why-item-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  margin-bottom: var(--space-4);
}

.why-item-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.why-item-desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 42ch;
}

@media (max-width: 768px) {
  .why-hero {
    min-height: 60svh;
  }
  .why-hero-text {
    padding: var(--space-5);
    padding-left: var(--space-5);
  }
  .why-hero-heading {
    font-size: clamp(2.5rem, 1.5rem + 8vw, 5rem);
    line-height: 0.95;
  }
  .why-inner {
    padding: var(--space-10) var(--space-5) var(--space-16);
  }
  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .why-item {
    padding-top: var(--space-5);
  }
  .why-item-desc {
    max-width: none;
  }
}

/* ========================================
   SECTION — VOICES / TESTIMONIALS
   ======================================== */

.voices {
  background: var(--color-bg-warm);
  padding: var(--space-32) var(--space-8);
}

.voices-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.voices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(26, 26, 26, 0.06);
  margin-top: var(--space-16);
}

.voice-card {
  background: var(--color-bg-warm);
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.voice-mark {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 0.8;
  color: var(--color-accent);
  opacity: 0.25;
  font-weight: 300;
}

.voice-quote {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  flex: 1;
}

.voice-author {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.voice-author-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.voice-author-role {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .voices { padding: var(--space-16) var(--space-5); }
  .voices-grid {
    grid-template-columns: 1fr;
  }
  .voice-card {
    padding: var(--space-6) var(--space-5);
  }
}

/* ========================================
   SECTION — PARTNER PATH (CTA)
   Three columns for different audiences
   ======================================== */

.paths {
  background: var(--color-bg);
  padding: var(--space-32) var(--space-8);
}

.paths-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-16);
}

.path-card {
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.path-card:hover {
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.path-card-audience {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

.path-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  line-height: 1.3;
}

.path-card-desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.path-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  transition: color var(--duration-fast) var(--ease-out), gap var(--duration-fast) var(--ease-out);
  cursor: pointer;
}

.path-card:hover .path-card-cta {
  color: var(--color-accent-deep);
  gap: var(--space-3);
}

.path-card-cta .arrow {
  transition: transform var(--duration-fast) var(--ease-out);
}

.path-card:hover .path-card-cta .arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .paths { padding: var(--space-16) var(--space-5); }
  .paths-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    margin-top: var(--space-10);
  }
  .path-card {
    padding: var(--space-6) var(--space-5);
    gap: var(--space-4);
  }
  .path-card-cta {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* ========================================
   SECTION — INSIGHT
   ======================================== */

.insight {
  background: var(--color-bg-warm);
  padding: var(--space-32) var(--space-8);
}

.insight-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-16);
}

a.insight-card {
  text-decoration: none;
  color: inherit;
}

.insight-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  cursor: pointer;
}

.insight-card-thumb {
  aspect-ratio: 16 / 10;
  background: var(--color-surface-dark);
  position: relative;
  overflow: hidden;
}

.insight-card-thumb-inner {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    oklch(0.25 0.02 240) 0%,
    oklch(0.15 0.01 260) 100%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.insight-card:hover .insight-card-thumb-inner {
  transform: scale(1.04);
}

.insight-card-tag {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

.insight-card-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.insight-card-date {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .insight { padding: var(--space-16) var(--space-5); }
  .insight-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-top: var(--space-10);
  }
  .insight-card-thumb {
    aspect-ratio: 16 / 9;
  }
  .insight-card-title {
    font-size: var(--text-base);
    line-height: 1.5;
  }
}

/* ========================================
   SECTION — CONTACT / FINAL CTA
   ======================================== */

.contact {
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
  padding: var(--space-48) var(--space-8);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.contact-inner {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-6);
}

.contact-heading em {
  font-style: normal;
  color: var(--color-accent-light);
}

.contact-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  opacity: 0.5;
  margin-bottom: var(--space-16);
  max-width: 50ch;
  line-height: 1.5;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

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

.form-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.4;
}

.form-input,
.form-select,
.form-textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-divider-light);
  padding: var(--space-3) 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-inverse);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-inverse);
  opacity: 0.2;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
}

.form-textarea {
  resize: none;
  min-height: 120px;
}

.form-select {
  appearance: none;
  cursor: pointer;
}

.form-select option {
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
}

.form-submit {
  align-self: flex-start;
  margin-top: var(--space-8);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-surface-dark);
  background: var(--color-text-inverse);
  padding: var(--space-4) var(--space-10);
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.form-submit:hover {
  background: var(--color-accent-light);
  color: var(--color-surface-dark);
  transform: translateY(-1px);
}

.form-submit:active {
  transform: translateY(0);
}

@media (max-width: 768px) {
  .contact {
    padding: var(--space-16) var(--space-5) var(--space-24);
    min-height: auto;
  }
  .contact-heading {
    font-size: clamp(1.5rem, 1rem + 2.5vw, 2.5rem);
    line-height: 1.25;
  }
  .contact-sub {
    font-size: var(--text-base);
    margin-bottom: var(--space-10);
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* prevents iOS zoom on focus */
    padding: var(--space-3) 0;
    min-height: 44px;
  }
  .form-textarea {
    min-height: 100px;
  }
  .form-submit {
    width: 100%;
    text-align: center;
    padding: var(--space-4) var(--space-6);
    min-height: 48px;
    font-size: var(--text-base);
  }
  .form-label {
    font-size: 0.7rem;
  }
}

/* ========================================
   FOOTER — minimal
   ======================================== */

.footer {
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
  padding: var(--space-12) var(--space-8);
  border-top: 1px solid var(--color-divider-light);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-logo sup {
  font-size: 0.55em;
  vertical-align: super;
  font-weight: 400;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  opacity: 0.35;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.4;
  transition: opacity var(--duration-fast);
}

.footer-links a:hover { opacity: 0.8; }

.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  opacity: 0.25;
}

@media (max-width: 768px) {
  .footer { padding: var(--space-8) var(--space-5) var(--space-12); }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }
  .footer-right { align-items: flex-start; }
  .footer-links {
    gap: var(--space-5);
  }
  .footer-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* ========================================
   SCROLL REVEAL — opacity + clip-path only
   ======================================== */

.reveal {
  opacity: 0;
  clip-path: inset(8% 0 0 0);
  transition: opacity 0.8s var(--ease-out), clip-path 0.8s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  clip-path: inset(0 0 0 0);
}

/* Stagger children */
.stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.stagger > .reveal:nth-child(2) { transition-delay: 0.08s; }
.stagger > .reveal:nth-child(3) { transition-delay: 0.16s; }
.stagger > .reveal:nth-child(4) { transition-delay: 0.24s; }

/* ========================================
   MOBILE STICKY CTA
   ======================================== */

.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface-dark);
  border-top: 1px solid var(--color-divider-light);
}

.sticky-cta a {
  display: block;
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-surface-dark);
  background: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
}

@media (max-width: 768px) {
  .sticky-cta {
    display: block;
    padding: var(--space-3) var(--space-5) calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
  }
  .sticky-cta a {
    padding: var(--space-4) var(--space-4);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
  }
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }
}

/* ========================================
   EXTRA SMALL SCREENS (iPhone SE, etc.)
   ======================================== */

@media (max-width: 375px) {
  :root {
    --text-marquee: clamp(2rem, 1rem + 8vw, 4rem);
  }
  .hero-marquee span {
    font-size: clamp(2rem, 0.8rem + 8vw, 3.5rem);
  }
  .manifesto-giant {
    font-size: clamp(2.8rem, 1rem + 10vw, 5rem);
  }
  .section-heading {
    font-size: clamp(1.5rem, 0.8rem + 2.5vw, 2rem);
  }
  .why-hero-heading {
    font-size: clamp(2rem, 1rem + 6vw, 4rem);
  }
  .contact-heading {
    font-size: clamp(1.3rem, 0.8rem + 2vw, 2rem);
  }
  .structure-card {
    padding: var(--space-6) var(--space-4);
  }
  .path-card {
    padding: var(--space-5) var(--space-4);
  }
}

/* ========================================
   SAFE AREA INSETS (notched phones)
   ======================================== */

@supports (padding: env(safe-area-inset-top)) {
  .nav {
    padding-top: max(var(--space-4), env(safe-area-inset-top));
  }
  @media (max-width: 768px) {
    .nav {
      padding-left: max(var(--space-5), env(safe-area-inset-left));
      padding-right: max(var(--space-5), env(safe-area-inset-right));
    }
  }
}

/* ========================================
   TOUCH DEVICE OPTIMIZATIONS
   ======================================== */

@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects on touch devices */
  .structure-card:hover {
    background: var(--color-bg);
  }
  .path-card:hover {
    border-color: var(--color-divider);
    background: transparent;
  }
  .path-card:hover .path-card-cta {
    color: var(--color-text);
    gap: var(--space-2);
  }
  .path-card:hover .path-card-cta .arrow {
    transform: none;
  }
  .insight-card:hover .insight-card-thumb-inner {
    transform: none;
  }
  /* Active states for touch feedback */
  .structure-card:active {
    background: var(--color-surface);
  }
  .path-card:active {
    background: var(--color-surface);
    border-color: var(--color-accent);
  }
  .insight-card:active .insight-card-thumb-inner {
    transform: scale(0.98);
  }
  .form-submit:hover {
    transform: none;
  }
  .form-submit:active {
    background: var(--color-accent-light);
    transform: scale(0.98);
  }
}