/* ============================================
   SyncroDoc Systems — Landing Page
   Deconstructed Clean / Postmodern Legal Tech
   ============================================ */

:root {
  --cream: #F4F1EC;
  --ink: #111111;
  --secondary: #5C5C5C;
  --terracotta: #C2491D;
  --forest: #2A4A4B;
  --rule: #C9C3B8;
  --surface: #EBE8E1;

  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --max-width: 1200px;
  --gutter: clamp(1.5rem, 4vw, 4rem);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--cream);
  border-bottom: 1px solid var(--rule);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.login-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.6rem 1.6rem;
  background: var(--ink);
  color: var(--cream);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.login-btn:hover {
  background: var(--forest);
}

/* ---- Hero ---- */
.hero {
  padding-top: 7rem;
  padding-bottom: 5rem;
}

.hero-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--terracotta);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 2rem;
}

.tagline-bottom {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--secondary);
  max-width: 580px;
}

/* ---- Animated Tagline Counters ---- */
.tagline-top {
  display: block;
}

.counter-word {
  position: relative;
  display: inline;
}

.counter-num {
  display: inline;
  font-family: var(--font-mono);
  font-size: 0.65em;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--terracotta);
}

.counter-num:not(:empty)::after {
  content: '\00a0';
}

.counter-num.typing {
  border-right: 1.5px solid var(--terracotta);
  padding-right: 1px;
}

.counter-num.cursor-blink {
  border-right: 1.5px solid var(--terracotta);
  padding-right: 1px;
  animation: cursorBlink 0.53s step-end infinite;
}

@keyframes cursorBlink {
  0%, 100% { border-color: var(--terracotta); }
  50% { border-color: transparent; }
}

/* Hero decoration */
.hero-decoration {
  position: relative;
  height: 320px;
  margin-top: 3rem;
}

.deco-frame {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 260px;
  border: 1.5px solid var(--rule);
  background: var(--cream);
  animation: decoFrameDrift 12s ease-in-out infinite;
  overflow: hidden;
}

/* Geometric drop shadow - independent element behind the frame */
.deco-shadow {
  position: absolute;
  top: 8px;
  right: -8px;
  width: 200px;
  height: 260px;
  border: 1.5px solid var(--rule);
  background: var(--surface);
  opacity: 0.45;
  z-index: -1;
  animation: decoShadowDrift 15s ease-in-out infinite;
}

@keyframes decoShadowDrift {
  0% { transform: rotate(1deg) translate(0, 0); }
  20% { transform: rotate(-2deg) translate(6px, 10px); }
  45% { transform: rotate(3deg) translate(-4px, -5px); }
  70% { transform: rotate(-1deg) translate(10px, 3px); }
  100% { transform: rotate(1deg) translate(0, 0); }
}

/* Scribble lines (handwriting effect) */
.scribble-lines {
  position: absolute;
  inset: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
}

.scribble {
  stroke-dasharray: var(--dash-len);
  stroke-dashoffset: var(--dash-len);
  opacity: 0.6;
}

.scribble-1 { --dash-len: 200; animation: scribbleDraw 2.8s ease-out 0.5s forwards; }
.scribble-2 { --dash-len: 190; animation: scribbleDraw 2.5s ease-out 1.2s forwards; }
.scribble-3 { --dash-len: 185; animation: scribbleDraw 2.6s ease-out 1.8s forwards; }
.scribble-4 { --dash-len: 195; animation: scribbleDraw 2.4s ease-out 2.5s forwards; }
.scribble-5 { --dash-len: 180; animation: scribbleDraw 2.7s ease-out 3.1s forwards; }
.scribble-6 { --dash-len: 195; animation: scribbleDraw 2.3s ease-out 3.8s forwards; }
.scribble-7 { --dash-len: 185; animation: scribbleDraw 2.5s ease-out 4.4s forwards; }
.scribble-short-1 { --dash-len: 120; animation: scribbleDraw 1.8s ease-out 5.0s forwards; }
.scribble-short-2 { --dash-len: 145; animation: scribbleDraw 2.0s ease-out 5.5s forwards; }

@keyframes scribbleDraw {
  to { stroke-dashoffset: 0; }
}

/* Red/blue pen edit marks */
.edit-mark {
  opacity: 0;
  animation: editAppear 0.6s ease-out forwards;
}

.edit-strikethrough-1 { --dash-len: 80; stroke-dasharray: 80; stroke-dashoffset: 80; animation: editDraw 0.5s ease-out 6.5s forwards; opacity: 0.25; }
.edit-circle-1 { --dash-len: 90; stroke-dasharray: 90; stroke-dashoffset: 90; animation: editDraw 0.8s ease-out 7.2s forwards; opacity: 0.2; }
.edit-caret-1 { --dash-len: 30; stroke-dasharray: 30; stroke-dashoffset: 30; animation: editDraw 0.3s ease-out 8.0s forwards; opacity: 0.22; }
.edit-x-1 { --dash-len: 25; stroke-dasharray: 25; stroke-dashoffset: 25; animation: editDraw 0.4s ease-out 7.8s forwards; opacity: 0.2; }
.edit-bracket-1 { --dash-len: 30; stroke-dasharray: 30; stroke-dashoffset: 30; animation: editDraw 0.4s ease-out 8.5s forwards; opacity: 0.2; }
.edit-strikethrough-2 { --dash-len: 65; stroke-dasharray: 65; stroke-dashoffset: 65; animation: editDraw 0.4s ease-out 9.0s forwards; opacity: 0.22; }
.edit-check-1 { --dash-len: 30; stroke-dasharray: 30; stroke-dashoffset: 30; animation: editDraw 0.3s ease-out 7.0s forwards; opacity: 0.25; }
.edit-squiggle-1 { --dash-len: 40; stroke-dasharray: 40; stroke-dashoffset: 40; animation: editDraw 0.5s ease-out 9.5s forwards; opacity: 0.18; }

@keyframes editDraw {
  to { stroke-dashoffset: 0; }
}

.deco-line {
  position: absolute;
  top: 60px;
  right: -20px;
  width: 240px;
  height: 1.5px;
  background: var(--terracotta);
  animation: decoLineDrift 10s ease-in-out infinite;
}

.deco-dot {
  position: absolute;
  bottom: 40px;
  right: 80px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--forest);
  animation: decoDotPulse 4s ease-in-out infinite;
}

@keyframes decoFrameDrift {
  0% { transform: rotate(3deg) translate(0, 0); }
  25% { transform: rotate(6deg) translate(-8px, 5px); }
  50% { transform: rotate(1deg) translate(4px, -8px); }
  75% { transform: rotate(5deg) translate(-5px, 3px); }
  100% { transform: rotate(3deg) translate(0, 0); }
}

@keyframes decoLineDrift {
  0%, 100% { transform: rotate(-8deg) translateX(0); }
  30% { transform: rotate(-3deg) translate(12px, -8px); }
  60% { transform: rotate(-10deg) translate(-8px, 4px); }
}

@keyframes decoDotPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  25% { transform: scale(1.5) translateX(-5px); opacity: 0.6; }
  50% { transform: scale(0.8) translateX(3px); opacity: 0.9; }
  75% { transform: scale(1.3); opacity: 0.5; }
}

/* ---- Divider ---- */
.divider-rule {
  border-top: 1px solid var(--rule);
}

.divider-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.divider-text {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
  background: var(--cream);
  padding: 0 1rem 0 0;
  position: relative;
  top: -0.55rem;
}

/* ---- Accordion / Problems ---- */
.problems {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem var(--gutter) 5rem;
}

.accordion {
  border-bottom: 1px solid var(--rule);
}

.accordion:first-child {
  border-top: none;
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 2.5rem 0;
  text-align: left;
  gap: 2rem;
}

.accordion-meta {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex: 1;
}

.accordion-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--terracotta);
  letter-spacing: 0.05em;
  padding-top: 0.35rem;
  flex-shrink: 0;
}

.accordion-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.6rem;
}

.accordion-brief {
  font-size: 0.95rem;
  color: var(--secondary);
  line-height: 1.5;
}

.accordion-icon {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  margin-top: 0.3rem;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition: transform 0.3s ease;
}

.accordion-icon::before {
  top: 50%;
  left: 4px;
  right: 4px;
  height: 1.5px;
  transform: translateY(-50%);
}

.accordion-icon::after {
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 1.5px;
  transform: translateX(-50%);
}

.accordion-header[aria-expanded="true"] .accordion-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

/* Accordion body */
.accordion-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}

.accordion-header[aria-expanded="true"] + .accordion-body {
  grid-template-rows: 1fr;
}

.accordion-body-inner {
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 0 0 0 4.2rem;
}

.accordion-header[aria-expanded="true"] + .accordion-body .accordion-body-inner {
  padding-bottom: 3rem;
}

.accordion-text p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.accordion-text p:last-child {
  margin-bottom: 0;
}

/* Screenshots */
.screenshot {
  width: 100%;
  border: 1px solid var(--rule);
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: block;
}

.screenshot:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}

.lightbox-content {
  position: relative;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.lightbox-close {
  position: absolute;
  top: -2rem;
  right: 0;
  background: none;
  border: none;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  line-height: 1;
}

.lightbox-close:hover {
  color: white;
}

/* ---- Closing CTA ---- */
.closing {
  background: var(--ink);
  color: var(--cream);
  padding: 6rem 0;
}

.closing-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.closing-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.closing-sub {
  font-size: 1rem;
  color: #A0A0A0;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.closing-cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 2rem;
  background: var(--terracotta);
  color: var(--cream);
  text-decoration: none;
  transition: background 0.2s ease;
}

.closing-cta:hover {
  background: #A83D17;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-wordmark {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--secondary);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--secondary);
}

/* ---- Login Modal ---- */
.login-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.login-modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.login-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.login-modal-content {
  position: relative;
  background: var(--cream);
  padding: 3rem;
  max-width: 440px;
  width: 90%;
  border: 1px solid var(--rule);
}

.login-modal-content h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.login-modal-content p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.login-modal-contact {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
  letter-spacing: 0.03em;
  color: var(--terracotta) !important;
}

/* Workspace form */
.workspace-form {
  margin: 1.5rem 0 1.25rem;
}

.workspace-input-group {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--rule);
  border-radius: 0;
  background: #fff;
  transition: border-color 0.2s ease;
}

.workspace-input-group:focus-within {
  border-color: var(--forest);
}

.workspace-input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 0.75rem;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.workspace-input::placeholder {
  color: var(--rule);
}

.workspace-suffix {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--secondary);
  padding: 0 0.75rem 0 0.25rem;
  white-space: nowrap;
  user-select: none;
  border-left: 1px solid var(--rule);
  line-height: 1;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.workspace-error {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--terracotta);
  margin: 0.5rem 0;
}

.workspace-submit {
  display: block;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem;
  background: var(--ink);
  color: var(--cream);
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 0.75rem;
  -webkit-appearance: none;
  appearance: none;
}

.workspace-submit:hover {
  background: var(--forest);
}

.login-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--secondary);
  line-height: 1;
}

.login-modal-close:hover {
  color: var(--ink);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-decoration {
    display: none;
  }

  .accordion-body-inner {
    grid-template-columns: 1fr;
    padding-left: 0;
  }

  .accordion-meta {
    gap: 1.25rem;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 6rem;
    padding-bottom: 3rem;
  }

  .accordion-header {
    padding: 1.75rem 0;
    flex-wrap: wrap;
  }

  .accordion-icon {
    display: none;
  }

  .accordion-number {
    font-size: 0.7rem;
  }

  .closing {
    padding: 4rem 0;
  }
}