/* ============================================================
   immortal.life — stylesheet
   Desktop-first. Mobile pass deferred to next sprint.
   ============================================================ */

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

/* ── Design tokens ── */
:root {
  --bg:          #070706;
  --bg2:         #0d0d0b;
  --gold:        #b8955a;
  --gold-faint:  rgba(184, 149, 90, 0.12);
  --gold-mid:    rgba(184, 149, 90, 0.35);
  --white:       #ede9e0;
  --off:         #8a8878;
  --border:      rgba(237, 233, 224, 0.08);
  --border-mid:  rgba(237, 233, 224, 0.14);
  --error:       rgba(180, 70, 70, 0.75);

  --font-serif:  'Cormorant', Georgia, serif;
  --font-sans:   'Instrument Sans', system-ui, sans-serif;

  --pad-x:       64px;   /* horizontal page padding */
  --pad-section: 140px;  /* vertical section padding */
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Film grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: screen;
}

/* ============================================================
   SECTION 1 — HERO
   ============================================================ */
.s1 {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 48px var(--pad-x);
  position: relative;
  overflow: hidden;
}

/* Architectural grid lines */
.arch-lines { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.arch-h     { position: absolute; left: 0; right: 0; height: 1px; background: var(--border); }
.arch-h-1   { top: 120px; }
.arch-h-2   { bottom: 120px; }
.arch-v     { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--border); }
.arch-v-1   { left: var(--pad-x); }
.arch-v-2   { right: var(--pad-x); }

/* Horizon glow — bottom of hero only */
.horizon {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 300px;
  background: radial-gradient(
    ellipse at 50% 100%,
    rgba(184, 149, 90, 0.10) 0%,
    rgba(184, 149, 90, 0.04) 40%,
    transparent 70%
  );
  pointer-events: none;
}

/* Header */
.s1-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.15s;
}

.logo {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: lowercase;
  user-select: none;
}

.header-tag {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--off);
  opacity: 0.7;
}

/* Hero headline */
.s1-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

h1 {
  display: block;
}

.hl-wrap {
  overflow: hidden;
  display: block;
}

.hl-inner {
  display: block;
  transform: translateY(102%);
  animation: slideUp 1.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hl-wrap:nth-child(1) .hl-inner { animation-delay: 0.35s; }
.hl-wrap:nth-child(2) .hl-inner { animation-delay: 0.50s; }
.hl-wrap:nth-child(3) .hl-inner { animation-delay: 0.65s; }

.hl {
  font-family: var(--font-serif);
  font-weight: 200;
  line-height: 0.87;
  letter-spacing: -0.035em;
  font-size: clamp(80px, 13.5vw, 168px);
  color: var(--white);
  display: block;
}

.hl.italic {
  font-style: italic;
  color: rgba(237, 233, 224, 0.32);
}

/* Subline */
.s1-sub {
  margin-top: 40px;
  display: flex;
  align-items: flex-start;
  gap: 48px;
  opacity: 0;
  animation: fadeUp 1s ease forwards 1.1s;
}

.s1-sub-line {
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  flex-shrink: 0;
  margin-top: 4px;
}

.s1-sub-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--off);
  max-width: 480px;
  font-style: italic;
}

.s1-sub-text strong {
  color: var(--white);
  font-weight: 300;
  font-style: normal;
}

/* Hero footer row */
.s1-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  position: relative;
  z-index: 2;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1.4s;
}

.s1-footer-note {
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--off);
  opacity: 0.5;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-bar {
  width: 1px;
  height: 48px;
  background: var(--border-mid);
  position: relative;
  overflow: hidden;
}

.scroll-bar::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gold);
  animation: scrollFill 2.2s ease-in-out infinite 1.8s;
}

.scroll-label {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--off);
  opacity: 0.4;
}

.s1-particles-canvas {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

/* ============================================================
   SECTION 2 — MANIFESTO
   ============================================================ */
.s2 {
  padding: var(--pad-section) var(--pad-x);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 80px;
  align-items: start;
}

.s2-label {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  padding-top: 10px;
  position: sticky;
  top: 48px;
}

.manifesto {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.manifesto-line {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: clamp(30px, 3.8vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
  border-bottom: 1px solid var(--border);
  padding-bottom: 48px;
}

.manifesto-line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.manifesto-line em {
  font-style: italic;
  color: var(--gold);
}

.manifesto-line .aside {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  font-style: normal;
  color: var(--off);
  line-height: 1.80;
  letter-spacing: normal;
  margin-top: 20px;
  max-width: 580px;
}

/* ============================================================
   SECTION 3 — PILLARS
   ============================================================ */
.s3 {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.pillar {
  padding: 64px 48px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: background 0.4s ease;
  cursor: default;
}

.pillar:last-child {
  border-right: none;
}

.pillar:hover {
  background: var(--bg2);
}

.p-index {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 13px;
  letter-spacing: 0.20em;
  color: var(--off);
  opacity: 0.5;
}

.p-title {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: clamp(26px, 2.8vw, 40px);
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -0.02em;
}

.p-title em {
  font-style: italic;
  color: var(--gold);
}

.p-body {
  font-size: 13px;
  line-height: 1.85;
  color: var(--off);
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

/* ============================================================
   SECTION 4 — EMAIL CAPTURE
   ============================================================ */
.s4 {
  border-top: 1px solid var(--border);
  padding-top: 40px;
  padding-right: var(--pad-x);
  padding-bottom: 40px;
  padding-left: var(--pad-x);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
  gap: 120px;
  align-items: start;
  position: relative;
  overflow: hidden;
}

/* Glow is a grid child: without explicit placement it steals the first cell and
   shoves .s4-left into the 440px column — span the full area behind content. */
.s4-glow {
  position: absolute;
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(184, 149, 90, 0.07) 0%, transparent 65%);
  pointer-events: none;
  grid-column: 1 / -1;
  grid-row: 1 / -1;
  z-index: 0;
}

.s4-left,
.form-wrapper {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.s4-left {
  grid-column: 1;
  grid-row: 1;
}

.form-wrapper {
  grid-column: 2;
  grid-row: 1;
}

.s4-eyebrow {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  margin-bottom: 28px;
}

.s4-headline {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: clamp(64px, 8.5vw, 110px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
}

.s4-headline em {
  font-style: italic;
  color: var(--gold);
}

.s4-body {
  font-size: 14px;
  line-height: 1.85;
  color: var(--off);
  max-width: 400px;
}

/* Form */
.form-label-top {
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--off);
  opacity: 0.6;
  margin-bottom: 12px;
}

.email-input {
  width: 100%;
  display: block;
  background: transparent;
  border: 1px solid var(--border-mid);
  padding: 17px 20px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  color: var(--white);
  outline: none;
  letter-spacing: 0.02em;
  transition: border-color 0.3s ease;
  margin-bottom: 6px;
}

.email-input::placeholder {
  color: rgba(138, 136, 120, 0.45);
}

.email-input:focus {
  border-color: rgba(184, 149, 90, 0.5);
}

.email-input.error {
  border-color: var(--error);
}

/* Inline error message */
.field-error {
  font-size: 11px;
  color: rgba(200, 100, 100, 0.9);
  min-height: 18px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

/* GDPR consent row */
.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  background: rgba(237, 233, 224, 0.02);
  margin-bottom: 16px;
}

.consent-checkbox {
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1px solid var(--border-mid);
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  margin-top: 2px;
  transition: border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}

.consent-checkbox:checked {
  background: var(--gold);
  border-color: var(--gold);
}

.consent-checkbox:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 4px;
  height: 7px;
  border: 1.5px solid var(--bg);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.consent-checkbox:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.consent-checkbox.error {
  border-color: var(--error);
}

.consent-text {
  font-size: 11px;
  line-height: 1.70;
  color: var(--off);
}

.privacy-link {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--gold);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(184, 149, 90, 0.35);
  text-underline-offset: 2px;
  transition: opacity 0.2s;
}

.privacy-link:hover {
  opacity: 0.75;
}

/* CTA button */
.submit-btn {
  width: 100%;
  background: var(--gold);
  border: none;
  padding: 18px 24px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bg);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: block;
}

.submit-btn:hover {
  opacity: 0.88;
}

.submit-btn:active {
  transform: scale(0.997);
}

.submit-btn:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

.form-small {
  margin-top: 14px;
  font-size: 11px;
  color: var(--off);
  opacity: 0.5;
  line-height: 1.65;
}

/* Success state */
.success-state {
  display: none;
  flex-direction: column;
  gap: 20px;
  padding: 40px;
  border: 1px solid rgba(184, 149, 90, 0.2);
  background: rgba(184, 149, 90, 0.03);
}

.success-mark {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 200;
  color: var(--gold);
}

.success-hl {
  font-family: var(--font-serif);
  font-weight: 200;
  font-style: italic;
  font-size: 28px;
  color: var(--white);
  line-height: 1.2;
}

.success-body {
  font-size: 13px;
  color: var(--off);
  line-height: 1.75;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.foot-logo {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 12px;
  letter-spacing: 0.30em;
  color: var(--gold);
  opacity: 0.5;
}

.foot-right {
  display: flex;
  gap: 32px;
  align-items: center;
}

.foot-link {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--off);
  opacity: 0.5;
  text-decoration: none;
  background: none;
  border: none;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: opacity 0.2s;
  padding: 0;
}

.foot-link:hover {
  opacity: 1;
}

.foot-copy {
  font-size: 10px;
  color: var(--off);
  opacity: 0.3;
  letter-spacing: 0.05em;
}

/* ============================================================
   PRIVACY MODAL
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 7, 6, 0.92);
  z-index: 10000;
  padding: 60px;
  overflow-y: auto;
}

.modal-overlay.open {
  display: block;
}

.modal-box {
  max-width: 680px;
  margin: 0 auto;
  border: 1px solid var(--border-mid);
  background: var(--bg2);
  padding: 60px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: 1px solid var(--border);
  color: var(--off);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: border-color 0.2s, color 0.2s;
}

.modal-close:hover {
  border-color: var(--border-mid);
  color: var(--white);
}

.modal-title {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 36px;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.modal-sub {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--off);
  opacity: 0.6;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.modal-section-title {
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  margin-bottom: 10px;
  margin-top: 28px;
}

.modal-text {
  font-size: 13px;
  line-height: 1.85;
  color: var(--off);
}

.modal-text strong {
  color: var(--white);
  font-weight: 400;
}

/* ============================================================
   SCROLL REVEAL UTILITY
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s ease, transform 1s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-d1 { transition-delay: 0.10s; }
.reveal-d2 { transition-delay: 0.20s; }
.reveal-d3 { transition-delay: 0.30s; }
.reveal-d4 { transition-delay: 0.40s; }

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { transform: translateY(102%); }
  to   { transform: translateY(0); }
}

@keyframes scrollFill {
  0%   { top: -100%; }
  100% { top:  100%; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .hl-inner,
  .s1-header,
  .s1-sub,
  .s1-footer,
  .scroll-bar::after {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}