/* Super-Duper SquirrelMail — product site
   Palette drawn from image_9af22e93: ink, bronze, cream */

:root {
  --ink: #0a0908;
  --ink-elevated: #14110e;
  --ink-soft: #1c1814;
  --bronze: #b8894a;
  --bronze-bright: #d4a85c;
  --bronze-deep: #8a6432;
  --cream: #f3ebe0;
  --cream-muted: #c9bba8;
  --cream-dim: #9a8b78;
  --line: rgba(212, 168, 92, 0.18);
  --font-display: "Fraunces", "Palatino Linotype", Palatino, serif;
  --font-body: "Syne", "Trebuchet MS", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--cream);
  background: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
}

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

a {
  color: var(--bronze-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color 0.25s var(--ease);
}

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

/* ——— Nav ——— */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 2.75rem);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-nav.is-scrolled {
  background: rgba(10, 9, 8, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--cream);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.nav-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--cream-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--cream);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--bronze);
  color: var(--cream) !important;
  text-decoration: none !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.1em !important;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.nav-cta:hover {
  background: rgba(184, 137, 74, 0.18);
  border-color: var(--bronze-bright);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cream);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* ——— Hero ——— */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: end;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding:
    clamp(6.5rem, 12vh, 8.5rem)
    clamp(1.25rem, 4vw, 2.75rem)
    clamp(2.5rem, 6vh, 4rem);
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 78% 42%, rgba(184, 137, 74, 0.22), transparent 62%),
    radial-gradient(ellipse 50% 40% at 18% 80%, rgba(138, 100, 50, 0.12), transparent 55%),
    linear-gradient(165deg, #0a0908 0%, #120e0a 48%, #0a0908 100%);
}

.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 9, 8, 0.55) 0%, transparent 42%),
    linear-gradient(0deg, rgba(10, 9, 8, 0.75) 0%, transparent 28%);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-copy {
  padding-bottom: clamp(0.5rem, 3vh, 2rem);
  max-width: 34rem;
}

.hero-kicker {
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze-bright);
}

.hero-brand {
  margin: 0 0 1.35rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.75rem, 6.8vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--cream);
}

.hero-brand em {
  font-style: italic;
  font-weight: 400;
  color: var(--bronze-bright);
}

.hero-lede {
  margin: 0 0 2.25rem;
  max-width: 28rem;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--cream-muted);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.55rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--bronze-bright), var(--bronze-deep));
  color: var(--ink);
}

.btn-primary:hover {
  color: var(--ink);
  transform: translateY(-2px);
  background: linear-gradient(135deg, #e0b96a, var(--bronze));
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  color: var(--cream);
  border-color: var(--bronze);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: clamp(280px, 52vh, 620px);
}

.hero-visual img {
  width: min(100%, 560px);
  filter: drop-shadow(0 28px 60px rgba(0, 0, 0, 0.55));
  transform-origin: center bottom;
  animation: float-mark 8s var(--ease) infinite;
}

@keyframes float-mark {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-scroll {
  position: absolute;
  bottom: 1.5rem;
  left: clamp(1.25rem, 4vw, 2.75rem);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--cream-dim);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-scroll i {
  display: block;
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--bronze), transparent);
  animation: scroll-line 2.2s var(--ease) infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0.35); transform-origin: top; opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0.35); transform-origin: bottom; opacity: 0.3; }
}

/* ——— Sections shared ——— */

.section {
  position: relative;
  padding: clamp(4.5rem, 10vh, 7.5rem) clamp(1.25rem, 4vw, 2.75rem);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-label {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze);
}

.section-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.2vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 16ch;
}

.section-title em {
  font-style: italic;
  color: var(--bronze-bright);
}

.section-intro {
  margin: 0;
  max-width: 36rem;
  color: var(--cream-muted);
  font-size: 1.08rem;
}

/* ——— Story ——— */

.story {
  border-top: 1px solid var(--line);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.story-body p {
  margin: 0 0 1.25rem;
  color: var(--cream-muted);
  font-size: 1.08rem;
}

.story-body p:last-child {
  margin-bottom: 0;
}

.story-stat {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.story-stat dt {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 500;
  color: var(--bronze-bright);
  letter-spacing: -0.02em;
}

.story-stat dd {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

/* ——— Features ——— */

.features {
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(184, 137, 74, 0.08), transparent 60%),
    var(--ink-elevated);
}

.feature-list {
  margin: 3.5rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.5rem 2rem;
  padding: 1.85rem 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.feature-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-index {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--bronze);
}

.feature-copy h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.45rem;
  letter-spacing: -0.015em;
}

.feature-copy p {
  margin: 0;
  max-width: 42rem;
  color: var(--cream-muted);
}

/* ——— Security band ——— */

.security {
  overflow: hidden;
}

.security-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.security-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.security-visual::before {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 137, 74, 0.28), transparent 68%);
  filter: blur(8px);
}

.security-visual img {
  position: relative;
  width: min(100%, 340px);
  border-radius: 50%;
}

.security-points {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.security-points li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.35rem;
  border-bottom: 1px solid var(--line);
  color: var(--cream-muted);
}

.security-points li:first-child {
  border-top: 1px solid var(--line);
}

.security-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 8px;
  height: 1px;
  background: var(--bronze-bright);
}

/* ——— Closing ——— */

.closing {
  border-top: 1px solid var(--line);
  text-align: center;
  background:
    radial-gradient(ellipse 55% 70% at 50% 100%, rgba(184, 137, 74, 0.14), transparent 65%),
    var(--ink);
}

.closing .section-title {
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

.closing .section-intro {
  margin: 0 auto 2.25rem;
}

.closing .hero-actions {
  justify-content: center;
}

/* ——— Footer ——— */

.site-footer {
  padding: 2.5rem clamp(1.25rem, 4vw, 2.75rem) 3rem;
  border-top: 1px solid var(--line);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cream-muted);
  font-size: 0.9rem;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 50%;
}

.footer-meta {
  color: var(--cream-dim);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.footer-meta a {
  color: var(--cream-muted);
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--bronze-bright);
}

/* ——— Reveal ——— */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ——— Responsive ——— */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
    padding-bottom: 4rem;
  }

  .hero-visual {
    order: -1;
    min-height: auto;
    padding-top: 0.5rem;
  }

  .hero-visual img {
    width: min(78vw, 380px);
    margin: 0 auto;
  }

  .hero-atmosphere::after {
    background:
      linear-gradient(180deg, rgba(10, 9, 8, 0.15) 0%, transparent 30%),
      linear-gradient(0deg, rgba(10, 9, 8, 0.85) 0%, transparent 35%);
  }

  .hero-scroll {
    display: none;
  }

  .story-grid,
  .security-panel {
    grid-template-columns: 1fr;
  }

  .security-visual {
    order: -1;
  }

  .security-visual img {
    width: min(70vw, 260px);
  }

  .feature-list li {
    grid-template-columns: 3rem 1fr;
    gap: 0.75rem 1.1rem;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav.is-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
    background: rgba(10, 9, 8, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open .nav-links a {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open .nav-cta {
    margin-top: 0.75rem;
    justify-content: center;
  }

  .site-nav.is-open .nav-toggle span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .site-nav.is-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-nav.is-open .nav-toggle span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }
}

@media (max-width: 560px) {
  .story-stat {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-brand {
    font-size: clamp(2.4rem, 11vw, 3.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-visual img { animation: none; }
  .hero-scroll i { animation: none; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}