/* =====================================================
   CRYON TECHNOLOGIES | restrained, Apple-influenced
   ===================================================== */

:root{
  --ink:        #0A0A0A;
  --ink-2:      #1F1F20;
  --ink-3:      #5A5A5C;
  --ink-4:      #8E8E92;

  --linen:      #FAF4E4;            /* cosmic latte, slightly warmer */
  --linen-2:    #F4ECD6;
  --hairline:   rgba(10,10,10,.10);
  --hairline-2: rgba(10,10,10,.16);

  /* Glass | very subtle */
  --glass:      rgba(250,244,228,.62);
  --glass-strong: rgba(250,244,228,.78);
  --glass-edge: rgba(255,255,255,.45);
  --glass-blur: 22px;

  /* Type */
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter Tight", "Inter", "Helvetica Neue", Arial, sans-serif;
  --text:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Fluid type | Apple-like big headlines, modest body */
  --t-xs:   12px;
  --t-sm:   14px;
  --t-base: 17px;
  --t-md:   19px;
  --t-lg:   clamp(20px, 1.1vw + 14px, 24px);
  --t-xl:   clamp(28px, 2.2vw + 14px, 40px);
  --t-2xl:  clamp(34px, 4vw + 16px, 72px); /* Slightly smaller on mobile */
  --t-3xl:  clamp(44px, 7vw + 18px, 124px); /* Slightly smaller on mobile */

  --max:     1080px;
  --max-wide: 1240px;
  --gutter:  clamp(20px, 4vw, 44px);
  --radius:  18px;
  --radius-lg: 28px;
}

*,*::before,*::after{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; text-rendering:optimizeLegibility; }

body{
  font-family: var(--text);
  font-size: var(--t-base);
  line-height: 1.5;
  color: var(--ink);
  background: var(--linen);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ----------- Background | clean, near-flat ----------- */
.field{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(80% 60% at 50% -10%, rgba(244,236,214,.9), transparent 70%),
    var(--linen);
}

/* ----------- Layout ----------- */
.shell{ max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }
.shell--wide{ max-width: var(--max-wide); }

/* ----------- Glass primitives | quiet ----------- */
.glass{
  background: var(--glass);
  backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  position: relative;
}

.glass::before{
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.35), transparent 40%);
  pointer-events:none;
  opacity:.7;
}

.glass-strong{ background: var(--glass-strong); }

/* ----------- Navigation | minimal pill ----------- */
.nav{
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(calc(100% - 24px), 880px);
  padding: 8px 8px 8px 18px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--t-sm);
}

.nav__brand{
  display:flex; align-items:center; gap: 9px;
  text-decoration: none; color: var(--ink);
  font-weight: 540;
  font-size: var(--t-md);
  letter-spacing: -.012em;
  flex-shrink: 0;
}

.nav__mark{
  width: 14px; height: 28px;
  display: inline-block;
  color: var(--ink);
}
.nav__mark svg{ width:100%; height:100%; }

.nav__links{
  display: flex;
  gap: 2px;
  margin-left: auto;
  align-items:center;
}

.nav__link{
  text-decoration: none;
  color: var(--ink-2);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
  font-weight: 440;
}

.nav__link:hover{ color: var(--ink); }
.nav__link[aria-current="page"]{ color: var(--ink); background: rgba(10,10,10,.05); }

.nav__cta{
  text-decoration: none;
  background: var(--ink);
  color: var(--linen);
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 480;
  transition: background .2s ease;
}
.nav__cta:hover{ background: var(--ink-2); }

.nav__burger{ display:none; }

@media (max-width: 720px){
  .nav{ padding: 8px 8px 8px 14px; top: 12px; }
  .nav__links{ 
    display:none; 
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity .3s ease, transform .3s ease;
  }
  .nav__burger{
    display: inline-flex; align-items:center; justify-content:center;
    width: 38px; height: 38px; border-radius: 999px;
    border: 1px solid var(--hairline-2);
    background: rgba(255,255,255,.75);
    color: var(--ink); cursor: pointer;
  }
  .nav__burger svg{ width: 18px; height: 18px; }
  
  .nav.open{
    border-radius: 24px;
  }

  .nav.open .nav__links{
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    flex-direction: column;
    background: var(--glass-strong);
    backdrop-filter: blur(var(--glass-blur)) saturate(120%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(120%);
    border: 1px solid var(--hairline);
    border-radius: 24px;
    padding: 12px;
    gap: 4px;
  }
  .nav.open .nav__link{ 
    width: 100%; 
    padding: 12px 16px;
    font-size: var(--t-md);
    background: rgba(10,10,10,.03);
  }
  .nav.open .nav__link[aria-current="page"]{ background: rgba(10,10,10,.08); }
  .nav.open .nav__cta{
    margin-top: 8px;
    text-align: center;
    padding: 14px;
  }
}

/* ----------- Type ----------- */
h1,h2,h3,h4,p{ margin:0; }
h1,h2,h3,h4{ font-family: var(--display); letter-spacing:-.025em; }

.display{
  font-family: var(--display);
  font-size: var(--t-3xl);
  line-height: .94;
  letter-spacing: -.045em;
  font-weight: 600;
  color: var(--ink);
}

.h1{ font-size: var(--t-2xl); line-height: 1; letter-spacing:-.035em; font-weight: 600; }
.h2{ font-size: var(--t-xl); line-height: 1.05; letter-spacing:-.025em; font-weight: 600; }
.h3{ font-size: var(--t-lg); letter-spacing:-.015em; font-weight: 600; }

.lede{
  font-size: var(--t-md);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 56ch;
  font-weight: 380;
  letter-spacing: -.005em;
}

.muted{ color: var(--ink-3); }

/* ----------- Buttons ----------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--text);
  font-size: var(--t-sm);
  font-weight: 480;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  white-space: nowrap;
}

.btn--primary{ background: var(--ink); color: var(--linen); }
.btn--primary:hover{ background: var(--ink-2); }

.btn--ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline-2);
}
.btn--ghost:hover{ border-color: var(--ink); }

.btn--text{
  background: transparent;
  color: var(--ink);
  padding: 6px 0;
  font-weight: 480;
}
.btn--text:hover{ color: var(--ink-2); }

.btn .arrow{ display:inline-block; transition: transform .25s ease; }
.btn:hover .arrow{ transform: translateX(3px); }

@media (max-width: 480px){
  .btn{ width: 100%; justify-content: center; padding: 14px 22px; }
}

/* ----------- Hero ----------- */
.hero{
  padding-top: clamp(140px, 22vh, 220px);
  padding-bottom: clamp(60px, 12vh, 140px);
  text-align: center;
}

.hero__mark{
  width: clamp(28px, 3vw, 38px);
  display: block;
  margin: 0 auto clamp(28px, 5vh, 56px);
  color: var(--ink);
}

.hero__title{
  font-family: var(--display);
  font-size: var(--t-3xl);
  line-height: .94;
  letter-spacing: -.045em;
  font-weight: 600;
  margin: 0 auto;
  max-width: 14ch;
  color: var(--ink);
}

.hero__sub{
  margin: clamp(20px, 3vh, 28px) auto 0;
  font-size: var(--t-md);
  line-height: 1.45;
  color: var(--ink-3);
  max-width: 50ch;
  font-weight: 400;
}

.hero__cta{
  margin-top: clamp(28px, 4vh, 40px);
  display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}

@media (max-width: 720px){
  .hero{ padding-top: 120px; padding-bottom: 60px; }
  .hero__title{ font-size: var(--t-2xl); }
  .hero__sub{ font-size: var(--t-base); }
  .hero__cta{ width: 100%; max-width: 320px; flex-direction: column; margin-inline: auto; }
}

/* ----------- Sections | clean, no eyebrows ----------- */
.section{
  padding: clamp(72px, 14vh, 160px) 0;
  position: relative;
}

.section--tight{ padding: clamp(48px, 8vh, 96px) 0; }

.section__head{
  text-align: center;
  margin: 0 auto clamp(40px, 6vh, 72px);
  max-width: 720px;
}

@media (max-width: 720px){
  .section__head{ text-align: left; margin-bottom: 32px; }
  .section__title{ font-size: var(--t-xl); }
}

.section__head--left{ text-align: left; max-width: none; margin-inline: 0; }

.section__title{
  font-family: var(--display);
  font-size: var(--t-2xl);
  line-height: 1;
  letter-spacing: -.035em;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.section__sub{
  margin-top: 14px;
  color: var(--ink-3);
  font-size: var(--t-md);
  font-weight: 400;
}

/* ----------- Card grid ----------- */
.cards{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.card{
  padding: clamp(24px, 2.6vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 240px;
  border-radius: var(--radius);
  transition: transform .35s ease, background .35s ease;
}

.card:hover{
  background: var(--glass-strong);
  transform: translateY(-4px);
}
.card:active{ transform: scale(.98); }

.card__title{
  font-family: var(--display);
  font-size: var(--t-lg);
  letter-spacing: -.015em;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}

.card__body{
  font-size: var(--t-base);
  color: var(--ink-3);
  line-height: 1.5;
  margin: 0;
}

.card__list{
  list-style: none;
  padding: 0; margin: auto 0 0 0;
  display: flex; flex-direction: column; gap: 6px;
  font-size: var(--t-sm);
  color: var(--ink-3);
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}

/* ----------- Footer ----------- */
.foot{
  padding: clamp(56px, 9vh, 100px) 0 28px;
  border-top: 1px solid var(--hairline);
  margin-top: clamp(48px, 8vh, 96px);
  font-size: var(--t-sm);
  color: var(--ink-3);
}

.foot__top{
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-bottom: 48px;
}
@media (max-width: 720px){
  .foot__top{ grid-template-columns: 1fr 1fr; }
}

.foot__brand{ display:flex; gap: 14px; align-items:flex-start; }
.foot__brand .markwrap{ width: 18px; height: 36px; color: var(--ink); flex:none; }
.foot__brand .markwrap svg{ width:100%; height:100%; }
.foot__brand strong{
  font-family: var(--display);
  font-weight: 540;
  font-size: var(--t-md);
  letter-spacing: -.012em;
  color: var(--ink);
  display: block;
  margin-bottom: 4px;
}
.foot__brand p{ font-size: var(--t-sm); color: var(--ink-3); max-width: 28ch; margin:0; }

.foot__col h5{
  font-size: var(--t-sm);
  color: var(--ink);
  margin: 0 0 14px;
  font-weight: 540;
  letter-spacing: -.005em;
}

.foot__col ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap: 8px; }
.foot__col a{ color: var(--ink-3); text-decoration: none; transition: color .2s; }
.foot__col a:hover{ color: var(--ink); }

.foot__bottom{
  display:flex; justify-content: space-between; align-items: center;
  font-size: var(--t-xs);
  color: var(--ink-4);
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  flex-wrap: wrap; gap: 14px;
}

/* ----------- Reveal ----------- */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1);
  transition-delay: var(--d, 0s);
}
.reveal.in{ opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration: 0s !important; transition: none !important; }
  .reveal{ opacity:1; transform:none; }
}

/* ----------- Page head (about / services / contact) ----------- */
.page-head{
  padding-top: clamp(140px, 22vh, 220px);
  padding-bottom: clamp(40px, 6vh, 72px);
  text-align: center;
}

.page-head .display{ max-width: 14ch; margin: 0 auto; }
.page-head .lede{ margin: 24px auto 0; text-align: center; color: var(--ink-3); }

@media (max-width: 720px){
  .page-head{ padding-top: 100px; padding-bottom: 32px; text-align: left; }
  .page-head .display{ margin-inline: 0; font-size: var(--t-2xl); }
  .page-head .lede{ margin-inline: 0; text-align: left; font-size: var(--t-base); }
}

/* ----------- Split block (About story) ----------- */
.split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
  max-width: 920px;
  margin: 0 auto;
}
@media (max-width: 760px){ .split{ grid-template-columns: 1fr; } }

/* ----------- Principle list ----------- */
.principles{
  max-width: 820px;
  margin: 0 auto;
}

.principle{
  padding: 28px 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: baseline;
}
.principle:last-child{ border-bottom: 1px solid var(--hairline); }

@media (max-width: 640px){
  .principle{ grid-template-columns: 1fr; gap: 8px; }
  .principle__num{ font-size: var(--t-xs); font-weight: 600; opacity: .6; }
}
.principle__title{
  font-family: var(--display);
  font-size: var(--t-lg);
  letter-spacing: -.015em;
  margin: 0 0 6px;
  font-weight: 600;
  color: var(--ink);
}
.principle__body{ color: var(--ink-3); margin: 0; max-width: 60ch; font-size: var(--t-base); }

/* ----------- Service blocks ----------- */
.service{
  padding: clamp(40px, 5vw, 64px) 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.service:last-of-type{ border-bottom: 1px solid var(--hairline); }
@media (max-width: 860px){ 
  .service{ grid-template-columns: 1fr; gap: 12px; padding: 48px 0; } 
  .service__title{ font-size: 32px; margin-bottom: 8px; }
  .service__body{ font-size: 17px; margin-bottom: 12px; }
}

.service__index{ font-size: var(--t-sm); color: var(--ink-4); font-variant-numeric: tabular-nums; }
.service__title{
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 44px);
  letter-spacing: -.025em;
  font-weight: 600;
  margin: 0 0 14px;
  color: var(--ink);
}
.service__body{ color: var(--ink-3); font-size: var(--t-base); line-height: 1.5; margin:0 0 18px; }

.service__chips{ display: flex; flex-wrap: wrap; gap: 6px; }
.chip{
  font-size: var(--t-xs);
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--hairline-2);
  background: rgba(255,255,255,.4);
  color: var(--ink-3);
}

.service__where h4{
  font-size: var(--t-sm);
  font-weight: 540;
  margin: 0 0 12px;
  color: var(--ink);
}
.service__where ul{
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
  font-size: var(--t-sm); color: var(--ink-3);
}

/* ----------- Process (Workflow) ----------- */
.workflow{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
@media (max-width: 860px){ .workflow{ grid-template-columns: 1fr; gap: 48px; } }

.workflow__sticky{
  position: sticky;
  top: 120px;
}
@media (max-width: 860px){ .workflow__sticky{ position: static; } }

.workflow__title{
  font-family: var(--display);
  font-size: var(--t-2xl);
  line-height: 1;
  letter-spacing: -.035em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 24px;
}

.workflow__intro{
  color: var(--ink-3);
  font-size: var(--t-md);
  line-height: 1.5;
  max-width: 38ch;
}

.workflow__steps{
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.step{
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline-2);
  transition: border-color .3s ease;
}

.step:hover{ border-top-color: var(--ink); }

.step__num{ 
  font-size: var(--t-xs); 
  color: var(--ink-4); 
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.step__title{
  font-family: var(--display);
  font-size: var(--t-lg);
  letter-spacing: -.015em;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}

.step__body{ 
  color: var(--ink-3); 
  font-size: var(--t-base); 
  margin: 0; 
  line-height: 1.5; 
  max-width: 48ch;
}

/* ----------- Expertise (Centered Statement) ----------- */
.expertise{
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.expertise__title{
  font-family: var(--display);
  font-size: var(--t-2xl);
  line-height: 1;
  letter-spacing: -.035em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 28px;
}

.expertise__body{
  font-size: var(--t-lg);
  line-height: 1.5;
  color: var(--ink-3);
  font-weight: 400;
  max-width: 50ch;
  margin: 0 auto;
}

@media (max-width: 720px){
  .expertise{ text-align: left; }
  .expertise__title{ font-size: var(--t-xl); }
  .expertise__body{ font-size: var(--t-md); margin: 0; }
  .expertise .center{ text-align: left; margin-top: 32px !important; }
}

/* ----------- CTA panel ----------- */
.cta{
  padding: clamp(48px, 7vw, 80px);
  border-radius: var(--radius-lg);
  text-align: center;
  display: grid;
  gap: 14px;
  justify-items: center;
  max-width: 920px;
  margin: 0 auto;
}
.cta h2{
  font-family: var(--display);
  font-size: var(--t-2xl);
  letter-spacing: -.035em;
  line-height: 1;
  font-weight: 600;
  color: var(--ink);
  max-width: 16ch;
}
.cta p{ color: var(--ink-3); max-width: 44ch; font-size: var(--t-md); }
.cta__row{ display:flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }

@media (max-width: 720px){
  .cta{ padding: 32px 24px; text-align: left; justify-items: start; }
  .cta h2{ font-size: var(--t-xl); }
  .cta p{ font-size: var(--t-base); }
  .cta__row{ flex-direction: column; width: 100%; margin-top: 16px; }
}

/* ----------- Contact ----------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(28px, 4vw, 64px);
  max-width: 980px;
  margin: 0 auto;
}
@media (max-width: 760px){ .contact-grid{ grid-template-columns: 1fr; } }

.contact-info .row-info{
  padding: 18px 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  align-items: baseline;
}
.contact-info .row-info:last-child{ border-bottom: 1px solid var(--hairline); }
.contact-info .row-info span{ font-size: var(--t-sm); color: var(--ink-4); }
.contact-info p{ color: var(--ink-2); margin: 0; font-size: var(--t-base); }
.contact-info a{
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-2);
  padding-bottom: 1px;
  transition: border-color .2s, color .2s;
}
.contact-info a:hover{ border-color: var(--ink); }

.form{
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 14px;
}
.field-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px){ .field-row{ grid-template-columns: 1fr; } }

.input, .textarea, .select{
  width: 100%;
  background: rgba(255,255,255,.5);
  border: 1px solid var(--hairline-2);
  border-radius: 12px;
  padding: 13px 14px;
  font-family: var(--text);
  font-size: var(--t-base);
  color: var(--ink);
  transition: border-color .2s, background .2s;
  appearance: none;
}
.textarea{ min-height: 130px; resize: vertical; }
.input:focus, .textarea:focus, .select:focus{
  outline: none;
  border-color: var(--ink);
  background: #fff;
}

.label{
  font-size: var(--t-sm);
  color: var(--ink-2);
  display: block;
  margin-bottom: 6px;
  font-weight: 480;
}

.form__submit{
  display:flex; justify-content: space-between; align-items:center;
  gap: 14px; flex-wrap:wrap; margin-top: 6px;
}
.form__hint{ font-size: var(--t-xs); color: var(--ink-4); }

/* ----------- Promises (homepage) ----------- */
.promises{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 64px) clamp(32px, 5vw, 72px);
  max-width: 940px;
  margin: 0 auto;
}
@media (max-width: 720px){ .promises{ grid-template-columns: 1fr; gap: 0; } }

.promise{
  padding: clamp(24px, 3vw, 36px) 0;
  border-top: 1px solid var(--hairline-2);
}

.promise__title{
  font-family: var(--display);
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: -.02em;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--ink);
  line-height: 1.08;
  max-width: 18ch;
}

.promise__body{
  color: var(--ink-3);
  font-size: var(--t-md);
  line-height: 1.5;
  margin: 0;
  max-width: 36ch;
}

/* ----------- Tiny utilities ----------- */
.divider{ height: 1px; background: var(--hairline); margin: clamp(40px, 6vh, 80px) auto; max-width: 920px; }

.center{ text-align: center; }
.stack{ display:flex; flex-direction:column; gap: 14px; }