/* ==========================================================================
   Ajee Convert — Base layer
   Palette, reset, typography, header, footer, buttons, utilities
   ========================================================================== */

:root{
  /* Brand */
  --brand-1:#16E06A;            /* parrot green */
  --brand-1-soft:#5BF08C;       /* fresh lime   */
  --brand-2:#10B981;            /* emerald      */
  --brand-3:#06B6D4;            /* cyan         */
  --brand-4:#3B82F6;            /* sky blue     */
  --brand-5:#8B5CF6;            /* purple       */
  --brand-6:#D946EF;            /* magenta      */
  --brand-7:#FDE047;            /* soft yellow  */
  --navy-900:#04121F;
  --navy-800:#071A2E;
  --navy-700:#0C2438;

  /* Gradients */
  --grad-primary:linear-gradient(135deg,var(--brand-1) 0%,var(--brand-2) 100%);
  --grad-lime:linear-gradient(135deg,var(--brand-1-soft) 0%,var(--brand-1) 55%,var(--brand-2) 100%);
  --grad-secondary:linear-gradient(135deg,var(--brand-3) 0%,var(--brand-4) 100%);
  --grad-accent:linear-gradient(135deg,var(--brand-5) 0%,var(--brand-6) 100%);
  --grad-brand:linear-gradient(120deg,var(--brand-1) 0%,var(--brand-3) 38%,var(--brand-4) 62%,var(--brand-5) 82%,var(--brand-6) 100%);
  --grad-text:linear-gradient(100deg,var(--brand-1) 0%,var(--brand-3) 42%,var(--brand-4) 68%,var(--brand-6) 100%);

  /* Light theme surfaces */
  --bg:#F2FBF6;
  --bg-2:#FFFFFF;
  --bg-soft:#E9F7F0;
  --surface:#FFFFFF;
  --surface-2:#F7FCF9;
  --line:#D8EDE3;
  --line-strong:#BFE0CE;
  --text:#0A1F2B;
  --text-2:#3B5566;
  --text-3:#61798A;
  --shadow-1:0 1px 2px rgba(6,32,50,.06),0 8px 24px rgba(6,32,50,.07);
  --shadow-2:0 2px 6px rgba(6,32,50,.08),0 18px 44px rgba(6,32,50,.10);
  --shadow-glow:0 10px 30px rgba(16,185,129,.28);
  --header-bg:linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,255,255,.86));
  --header-line:rgba(16,185,129,.16);
  --glass:rgba(255,255,255,.72);
  --glass-line:rgba(6,32,50,.08);
  --ring:rgba(22,224,106,.45);

  /* Type */
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  /* Space / shape */
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:30px; --r-pill:999px;
  --pad:clamp(16px,4vw,28px);
  --gap:clamp(14px,2.6vw,26px);
  --wrap:1200px;
  --header-h:68px;
}

html[data-theme="dark"]{
  --bg:#04101D;
  --bg-2:#071A2E;
  --bg-soft:#08202F;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --line:rgba(148,214,190,.16);
  --line-strong:rgba(148,214,190,.30);
  --text:#EAF6F1;
  --text-2:#B7CFDC;
  --text-3:#8FA8B8;
  --shadow-1:0 1px 2px rgba(0,0,0,.4),0 10px 26px rgba(0,0,0,.34);
  --shadow-2:0 2px 8px rgba(0,0,0,.45),0 22px 52px rgba(0,0,0,.48);
  --shadow-glow:0 12px 34px rgba(22,224,106,.30);
  --header-bg:linear-gradient(180deg,rgba(6,24,40,.94),rgba(6,24,40,.80));
  --header-line:rgba(22,224,106,.22);
  --glass:rgba(10,30,46,.62);
  --glass-line:rgba(255,255,255,.10);
  --ring:rgba(22,224,106,.55);
}

*,*::before,*::after{box-sizing:border-box}
*{min-width:0}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background:var(--bg);
}

body{
  margin:0;
  font-family:var(--font);
  font-size:clamp(15px,1.6vw,16.5px);
  line-height:1.68;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  max-width:100%;
  -webkit-font-smoothing:antialiased;
  transition:background .3s ease,color .3s ease;
}

/* Ambient page glow — no layout impact */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(900px 480px at 8% -6%,rgba(22,224,106,.18),transparent 62%),
    radial-gradient(760px 420px at 96% 4%,rgba(6,182,212,.16),transparent 62%),
    radial-gradient(820px 520px at 50% 108%,rgba(139,92,246,.14),transparent 62%);
}
html[data-theme="dark"] body::before{
  background:
    radial-gradient(900px 480px at 6% -8%,rgba(22,224,106,.16),transparent 60%),
    radial-gradient(760px 420px at 98% 2%,rgba(217,70,239,.14),transparent 60%),
    radial-gradient(820px 520px at 50% 110%,rgba(59,130,246,.16),transparent 62%);
}

img,svg,video,canvas,iframe,table{max-width:100%}
img,video,canvas{height:auto}
svg{display:block}
a{color:var(--brand-2);text-decoration:none}
html[data-theme="dark"] a{color:var(--brand-1-soft)}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit;max-width:100%}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:.25em 0}
p{margin:0 0 1em}
h1,h2,h3,h4{line-height:1.22;margin:0 0 .5em;font-weight:800;letter-spacing:-.015em;overflow-wrap:break-word}
h1{font-size:clamp(1.72rem,5.1vw,3.05rem)}
h2{font-size:clamp(1.32rem,3.4vw,2.05rem)}
h3{font-size:clamp(1.08rem,2.2vw,1.3rem)}
h4{font-size:1.02rem}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
code,kbd{font-family:var(--mono);font-size:.9em;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:.1em .4em}

:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}
::selection{background:rgba(22,224,106,.30)}

.skip-link{
  position:absolute;left:12px;top:-64px;z-index:200;
  background:var(--brand-1);color:#04241A;font-weight:800;
  padding:10px 16px;border-radius:var(--r-sm);transition:top .18s ease;
}
.skip-link:focus{top:12px;text-decoration:none}

/* ------------------------------- layout --------------------------------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:920px}
.section{padding:clamp(38px,6.4vw,74px) 0}
.section--tight{padding:clamp(24px,4vw,42px) 0}
.section__head{max-width:760px;margin:0 auto clamp(20px,3.4vw,38px);text-align:center}
.section__head p{color:var(--text-2);margin:0}
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(212px,1fr))}
.stack{display:flex;flex-direction:column;gap:var(--gap)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.5em;
  font-size:.76rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);
  background:linear-gradient(120deg,rgba(22,224,106,.14),rgba(6,182,212,.14));
  border:1px solid var(--line);
  padding:.42em .9em;border-radius:var(--r-pill);margin-bottom:14px;
}
html[data-theme="dark"] .eyebrow{color:var(--brand-1-soft)}
.grad-text{
  background:var(--grad-text);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.muted{color:var(--text-2)}
.small{font-size:.88rem}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ------------------------------- buttons -------------------------------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:.78em 1.35em;border-radius:var(--r-pill);border:1px solid transparent;
  font-weight:800;font-size:.95rem;line-height:1.15;letter-spacing:.01em;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,filter .22s ease;
  box-shadow:0 2px 0 rgba(0,0,0,.10),0 8px 20px rgba(6,32,50,.12);
  isolation:isolate;overflow:hidden;
}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.42) 50%,transparent 80%);
  transform:translateX(-120%);transition:transform .55s ease;
}
.btn:hover::after{transform:translateX(120%)}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 4px 0 rgba(0,0,0,.10),0 16px 34px rgba(6,32,50,.18)}
.btn:active{transform:translateY(1px) scale(.985);box-shadow:0 1px 0 rgba(0,0,0,.12),0 6px 14px rgba(6,32,50,.14)}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;filter:grayscale(.25)}
.btn--primary{background:var(--grad-primary);color:#03251A;border-color:rgba(255,255,255,.35)}
.btn--secondary{background:var(--grad-secondary);color:#03202E;border-color:rgba(255,255,255,.32)}
.btn--accent{background:var(--grad-accent);color:#fff}
.btn--dark{background:var(--navy-800);color:#EAF6F1;border-color:var(--line-strong)}
.btn--ghost{background:var(--surface);color:var(--text);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.btn--sm{padding:.55em 1em;font-size:.86rem}
.btn--lg{padding:.92em 1.7em;font-size:1.02rem}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn-row--center{justify-content:center}
.btn svg{width:1.05em;height:1.05em;flex:0 0 auto}

.chip{
  display:inline-flex;align-items:center;gap:.4em;
  padding:.3em .72em;border-radius:var(--r-pill);font-size:.78rem;font-weight:700;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
}
.chip--ok{color:var(--brand-2);border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.10)}
.chip--warn{color:#B4761A;border-color:rgba(245,158,11,.35);background:rgba(245,158,11,.12)}
html[data-theme="dark"] .chip--warn{color:var(--brand-7)}
.chip--limit{color:var(--brand-5);border-color:rgba(139,92,246,.35);background:rgba(139,92,246,.12)}
html[data-theme="dark"] .chip--limit{color:#C4B5FD}

/* ------------------------------- header --------------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;width:100%;max-width:100%;
  background:var(--header-bg);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--header-line);
  box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 10px 30px rgba(6,32,50,.06);
  transition:box-shadow .25s ease,background .3s ease;
}
.site-header::before{
  content:"";display:block;height:3px;width:100%;
  background:var(--grad-brand);
}
.site-header.is-stuck{box-shadow:0 12px 34px rgba(6,32,50,.16)}
.header__bar{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  min-height:var(--header-h);
  display:flex;align-items:center;gap:14px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;max-width:52%}
.brand:hover{text-decoration:none}
.brand__mark{width:38px;height:38px;flex:0 0 auto;filter:drop-shadow(0 6px 14px rgba(16,185,129,.35))}
.brand__text{display:flex;flex-direction:column;line-height:1;min-width:0}
.brand__name{font-size:1.16rem;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.brand__tag{font-size:.6rem;letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);white-space:nowrap}

.nav{margin-left:auto;display:none}
.nav__list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav__link{
  display:block;padding:.5em .72em;border-radius:var(--r-pill);
  font-size:.9rem;font-weight:700;color:var(--text-2);text-decoration:none;
  white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.nav__link:hover{color:var(--text);background:var(--surface-2);text-decoration:none}
.nav__link[aria-current="page"],.nav__link.is-active{color:var(--brand-2);background:rgba(22,224,106,.12)}
html[data-theme="dark"] .nav__link[aria-current="page"],html[data-theme="dark"] .nav__link.is-active{color:var(--brand-1-soft)}

.header__actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  width:42px;height:42px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  background:var(--surface);color:var(--text);cursor:pointer;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .22s ease,background .22s ease;
}
.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.icon-btn:active{transform:translateY(1px) scale(.97)}
.icon-btn svg{width:20px;height:20px}
.theme-toggle .t-sun{display:none}
html[data-theme="dark"] .theme-toggle .t-sun{display:block}
html[data-theme="dark"] .theme-toggle .t-moon{display:none}

.header__cta{display:none}
.hamburger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.hamburger__line{display:block;width:20px;height:2px;border-radius:2px;background:currentColor;transition:transform .28s cubic-bezier(.2,.7,.3,1),opacity .2s ease}
body.nav-open .hamburger__line:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .hamburger__line:nth-child(2){opacity:0}
body.nav-open .hamburger__line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.mobile-nav{
  position:fixed;inset:var(--header-h) 0 0;z-index:99;
  background:var(--bg);
  overflow-y:auto;overscroll-behavior:contain;
  padding:22px var(--pad) 60px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .24s ease,transform .28s cubic-bezier(.2,.7,.3,1),visibility .24s;
}
html[data-theme="dark"] .mobile-nav{background:var(--navy-800)}
body.nav-open .mobile-nav{transform:none;opacity:1;visibility:visible}
body.nav-open{overflow:hidden}
.mobile-nav__group{margin-bottom:20px}
.mobile-nav__title{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);font-weight:800;margin-bottom:8px}
.mobile-nav__list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.mobile-nav__link{
  display:block;padding:.72em .9em;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--line);
  color:var(--text);font-weight:700;text-decoration:none;font-size:.95rem;
}
.mobile-nav__link:hover{text-decoration:none;border-color:var(--brand-1);color:var(--brand-2)}

/* ------------------------------- footer --------------------------------- */
.site-footer{
  margin-top:clamp(32px,5vw,60px);
  background:linear-gradient(180deg,transparent,rgba(22,224,106,.07));
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:3px;background:var(--grad-brand);opacity:.85}
.footer__grid{
  display:grid;gap:clamp(20px,3vw,34px);
  grid-template-columns:1fr;
  padding:clamp(30px,4.6vw,52px) 0 22px;
}
.footer__brand{max-width:340px}
.footer__brand .brand__mark{width:46px;height:46px}
.footer__desc{color:var(--text-2);font-size:.92rem;margin:12px 0 0}
.footer__col h4{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px}
.footer__links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer__links a{color:var(--text-2);font-size:.92rem;text-decoration:none}
.footer__links a:hover{color:var(--brand-2);text-decoration:underline}
.footer__bottom{
  border-top:1px solid var(--line);
  padding:16px 0 22px;display:flex;flex-wrap:wrap;gap:10px 18px;
  align-items:center;justify-content:space-between;color:var(--text-3);font-size:.86rem;
}

/* breadcrumbs */
.crumbs{padding:14px 0 0;font-size:.85rem;color:var(--text-3)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li{display:flex;align-items:center;gap:6px;margin:0}
.crumbs li+li::before{content:"›";color:var(--text-3)}
.crumbs a{color:var(--text-2);text-decoration:none}
.crumbs a:hover{color:var(--brand-2);text-decoration:underline}
.crumbs [aria-current="page"]{color:var(--text);font-weight:700}

/* ------------------------------ ad slots -------------------------------- */
.ad-slot{
  margin:clamp(22px,3.4vw,38px) 0;
  min-height:90px;display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--line-strong);border-radius:var(--r-md);
  background:var(--surface-2);color:var(--text-3);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  text-align:center;padding:14px;
}

/* ==========================================================================
   Ajee Convert — Components layer
   Hero, cards, upload/convert UI, tool page blocks, motion, responsive
   ========================================================================== */

/* -------------------------------- hero ---------------------------------- */
.hero{position:relative;padding:clamp(30px,5.4vw,72px) 0 clamp(34px,5.6vw,70px);overflow:hidden}
.hero__inner{display:grid;grid-template-columns:1fr;gap:clamp(26px,4vw,46px);align-items:center;width:100%}
.hero__copy{max-width:660px}
.hero h1{margin-bottom:14px}
.hero__lead{font-size:clamp(1rem,2.1vw,1.16rem);color:var(--text-2);margin-bottom:22px;max-width:60ch}
.hero__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hero__stats{display:flex;flex-wrap:wrap;gap:clamp(14px,2.6vw,30px);margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.stat__num{font-size:clamp(1.25rem,2.6vw,1.6rem);font-weight:900;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.stat__label{font-size:.8rem;color:var(--text-3);letter-spacing:.05em}

/* hero visual */
.hero__visual{position:relative;min-height:330px;display:flex;align-items:center;justify-content:center;perspective:1400px}
.orb{position:absolute;border-radius:50%;filter:blur(38px);opacity:.55;pointer-events:none}
.orb--1{width:230px;height:230px;top:2%;left:-4%;background:radial-gradient(circle,var(--brand-1),transparent 70%)}
.orb--2{width:200px;height:200px;bottom:0;right:2%;background:radial-gradient(circle,var(--brand-3),transparent 70%)}
.orb--3{width:170px;height:170px;top:38%;right:26%;background:radial-gradient(circle,var(--brand-5),transparent 70%)}
.float-card{
  position:absolute;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-2);
  padding:14px;width:min(250px,80%);
  animation:floaty 7s ease-in-out infinite;
}
.float-card__top{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.float-card__ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;color:#04241A}
.float-card__title{font-size:.82rem;font-weight:800}
.float-card__meta{font-size:.7rem;color:var(--text-3)}
.float-card--a{top:4%;left:0;animation-delay:-1.2s}
.float-card--b{top:38%;right:0;animation-delay:-3.4s}
.float-card--c{bottom:2%;left:12%;animation-delay:-5s}
.ic-audio{background:var(--grad-primary)}
.ic-video{background:var(--grad-secondary)}
.ic-image{background:var(--grad-accent)}
.wave{display:flex;align-items:flex-end;gap:3px;height:38px}
.wave span{display:block;width:4px;border-radius:3px;background:var(--grad-primary);animation:pulse 1.5s ease-in-out infinite}
.vidframe{width:100%;aspect-ratio:16/9;border-radius:10px;background:linear-gradient(135deg,rgba(6,182,212,.85),rgba(59,130,246,.85));position:relative;overflow:hidden}
.vidframe::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,20,32,.55),transparent 60%)}
.play-dot{position:absolute;inset:0;margin:auto;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.94);z-index:1}
.play-dot::after{content:"";position:absolute;left:14px;top:11px;border-left:12px solid #0A1F2B;border-top:8px solid transparent;border-bottom:8px solid transparent}
.imgpair{display:flex;gap:8px}
.imgpair i{display:block;flex:1;aspect-ratio:4/3;border-radius:9px;background:linear-gradient(135deg,var(--brand-1),var(--brand-3))}
.imgpair i:last-child{background:linear-gradient(135deg,var(--brand-5),var(--brand-6))}
.convert-arrow{
  position:absolute;top:22%;left:44%;z-index:2;
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-lime);color:#03251A;box-shadow:0 12px 30px rgba(22,224,106,.45);
  animation:floaty 5.4s ease-in-out infinite reverse;
}
.convert-arrow svg{width:24px;height:24px}
.particles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.particles i{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--brand-1);opacity:.5;animation:rise linear infinite}
@keyframes floaty{0%,100%{transform:translateY(0) rotateX(0)}50%{transform:translateY(-12px) rotateX(3deg)}}
@keyframes pulse{0%,100%{height:12px;opacity:.65}50%{height:34px;opacity:1}}
@keyframes rise{from{transform:translateY(20px) scale(.6);opacity:0}30%{opacity:.7}to{transform:translateY(-150px) scale(1.05);opacity:0}}

/* ------------------------------- cards ---------------------------------- */
.card{
  position:relative;display:flex;flex-direction:column;
  padding:clamp(16px,2.4vw,22px);border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .24s ease;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:var(--grad-brand);opacity:0;transition:opacity .28s ease;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:transparent}
.card:hover::before{opacity:.85}
.card__icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:14px;
  color:#04241A;box-shadow:0 10px 22px rgba(16,185,129,.28);flex:0 0 auto;
}
.card__icon svg{width:26px;height:26px}
.card h3{margin-bottom:6px}
.card p{color:var(--text-2);font-size:.92rem;margin-bottom:14px}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card__count{font-size:.78rem;color:var(--text-3);font-weight:700;letter-spacing:.04em}
.card__link{font-weight:800;font-size:.9rem;display:inline-flex;align-items:center;gap:.35em;white-space:nowrap}
.card__link::after{content:"→";transition:transform .2s ease}
.card:hover .card__link::after{transform:translateX(4px)}
.card--cat{cursor:pointer}
.card--cat:hover .card__icon{transform:scale(1.06)}
.card--tool{padding:clamp(14px,2vw,18px)}
.card--tool h3{font-size:1.02rem}
.card--tool p{font-size:.86rem;margin-bottom:10px}

/* --------------------------- tool page layout --------------------------- */
.tool-layout{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,30px);align-items:start;margin-top:18px}
.tool-head{max-width:820px}
.tool-head h1{margin-bottom:10px}
.tool-head__lead{color:var(--text-2);font-size:1.03rem}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:clamp(16px,2.6vw,26px);
}
.panel + .panel{margin-top:var(--gap)}
.panel__title{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:1.12rem;font-weight:800}
.panel__title .dot{width:9px;height:9px;border-radius:50%;background:var(--grad-primary);flex:0 0 auto}

/* upload zone */
.dropzone{
  position:relative;width:100%;max-width:100%;
  border:2px dashed var(--line-strong);border-radius:var(--r-lg);
  background:linear-gradient(160deg,var(--surface-2),transparent);
  padding:clamp(22px,4.4vw,40px) clamp(14px,3vw,24px);
  text-align:center;cursor:pointer;
  transition:border-color .22s ease,background .22s ease,transform .22s ease,box-shadow .28s ease;
}
.dropzone:hover{border-color:var(--brand-1);box-shadow:0 14px 34px rgba(22,224,106,.14)}
.dropzone.is-dragover{
  border-color:var(--brand-1);
  background:linear-gradient(160deg,rgba(22,224,106,.16),rgba(6,182,212,.10));
  box-shadow:0 0 0 6px rgba(22,224,106,.14),0 18px 40px rgba(22,224,106,.22);
  transform:translateY(-2px);
}
.dropzone__icon{
  width:64px;height:64px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;
  background:var(--grad-lime);color:#03251A;box-shadow:0 12px 28px rgba(16,185,129,.32);
  animation:floaty 6s ease-in-out infinite;
}
.dropzone__icon svg{width:30px;height:30px}
.dropzone__title{font-weight:900;font-size:clamp(1rem,2.4vw,1.18rem);margin-bottom:4px}
.dropzone__hint{color:var(--text-3);font-size:.85rem;margin-bottom:16px}
.dropzone__actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.dropzone__formats{margin-top:16px;font-size:.78rem;color:var(--text-3);line-height:1.7}

/* file list */
.filelist{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.filelist li{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);
  background:var(--surface-2);border:1px solid var(--line);font-size:.88rem;min-width:0;
}
.filelist .fname{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:700}
.filelist .fsize{color:var(--text-3);font-size:.8rem;flex:0 0 auto;white-space:nowrap}
.filelist button{margin-left:auto}

/* controls */
.controls{display:grid;gap:14px;grid-template-columns:1fr;margin-top:6px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:.82rem;font-weight:800;letter-spacing:.03em;color:var(--text-2);text-transform:uppercase}
.field select,.field input[type=text],.field input[type=number]{
  width:100%;padding:.68em .8em;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid var(--line-strong);color:var(--text);
  font-weight:600;appearance:none;
}
html[data-theme="dark"] .field select,html[data-theme="dark"] .field input[type=text],html[data-theme="dark"] .field input[type=number]{background:rgba(255,255,255,.06)}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}
.field input[type=range]{width:100%;accent-color:var(--brand-1);height:26px}
.field__hint{font-size:.76rem;color:var(--text-3)}
.field--check{flex-direction:row;align-items:center;gap:9px}
.field--check label{text-transform:none;font-size:.9rem;font-weight:600;color:var(--text)}
.field--check input{width:18px;height:18px;accent-color:var(--brand-1)}
.range-val{font-variant-numeric:tabular-nums;font-weight:800;color:var(--brand-2)}

/* action bar / progress / result */
.actionbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.progress{margin-top:18px;display:none}
.progress.is-on{display:block}
.progress__meta{display:flex;justify-content:space-between;gap:10px;font-size:.84rem;font-weight:700;color:var(--text-2);margin-bottom:7px}
.progress__track{height:11px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}
.progress__bar{height:100%;width:0;border-radius:999px;background:var(--grad-primary);transition:width .3s ease}
.progress__bar.is-indeterminate{width:35%;animation:slide 1.25s ease-in-out infinite}
@keyframes slide{0%{transform:translateX(-100%)}100%{transform:translateX(300%)}}

.result{display:none;margin-top:18px}
.result.is-on{display:block}
.result__box{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(14px,2.4vw,20px);
  background:linear-gradient(160deg,rgba(22,224,106,.10),transparent 60%);
}
.result__head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.result__ok{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--grad-primary);color:#03251A;flex:0 0 auto;font-weight:900}
.result__ok svg{width:17px;height:17px}
.result__name{font-weight:800;overflow-wrap:anywhere}
.notice{
  margin-top:14px;padding:13px 15px;border-radius:var(--r-md);
  border:1px solid rgba(139,92,246,.35);background:rgba(139,92,246,.09);
  color:var(--text);font-size:.9rem;
}
.notice--warn{border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.10)}
.notice--info{border-color:var(--line-strong);background:var(--surface-2)}
.notice strong{display:block;margin-bottom:3px}
.notice ul{margin:.5em 0 0;padding-left:1.1em}

.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px}
.info-item{
  padding:11px 13px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--line);min-width:0;
}
.info-item dt{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);font-weight:800;margin-bottom:3px}
.info-item dd{margin:0;font-weight:800;font-size:.95rem;overflow-wrap:anywhere}
.info-item dd.na{color:var(--text-3);font-weight:600}

/* previews */
.preview{display:grid;place-items:center;padding:12px;border-radius:var(--r-md);background:var(--surface-2);border:1px solid var(--line);margin-top:12px;overflow:hidden}
.preview img,.preview video,.preview canvas{max-width:100%;height:auto;border-radius:var(--r-sm);display:block}
.preview audio{width:100%;max-width:100%}

/* content blocks */
.prose{max-width:78ch}
.prose h2{margin-top:1.6em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.3em}
.prose ul,.prose ol{color:var(--text-2)}
.prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
.prose th{background:var(--surface-2);font-weight:800}
.prose__tablewrap{width:100%;overflow-x:auto}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{
  counter-increment:s;position:relative;padding:14px 16px 14px 58px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
}
.steps li::before{
  content:counter(s);position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-lime);color:#03251A;font-weight:900;font-size:.86rem;
}
.steps strong{display:block}

.feature-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.feature-list li{display:flex;gap:9px;align-items:flex-start;padding:12px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--line);font-size:.92rem}
.feature-list li::before{content:"✓";color:var(--brand-2);font-weight:900;flex:0 0 auto}
html[data-theme="dark"] .feature-list li::before{color:var(--brand-1-soft)}

.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden}
.faq summary{
  cursor:pointer;padding:14px 16px;font-weight:800;font-size:.96rem;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--brand-2);font-weight:800;flex:0 0 auto;transition:transform .22s ease}
.faq details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq .faq__body{padding:0 16px 16px;color:var(--text-2);font-size:.93rem}

.toolcards{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.mini{
  display:flex;align-items:center;gap:11px;padding:13px 14px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);
  color:var(--text);text-decoration:none;font-weight:700;font-size:.92rem;
  transition:transform .2s ease,box-shadow .24s ease,border-color .2s ease;
}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-1);text-decoration:none}
.mini__ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;color:#04241A}
.mini__ic svg{width:18px;height:18px}
.mini span{min-width:0;overflow-wrap:anywhere}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* calculators */
.calc-out{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-top:16px}
.calc-out .info-item dd{font-size:1.15rem;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}

/* warning band for limited tools */
.limit-band{
  display:flex;gap:12px;align-items:flex-start;
  border:1px solid rgba(139,92,246,.4);background:rgba(139,92,246,.09);
  border-radius:var(--r-md);padding:14px 16px;margin-top:16px;font-size:.92rem;
}
.limit-band svg{width:22px;height:22px;flex:0 0 auto;color:var(--brand-5);margin-top:2px}
html[data-theme="dark"] .limit-band svg{color:#C4B5FD}

/* ------------------------------ responsive ------------------------------ */
@media (min-width:640px){
  .controls{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (min-width:900px){
  .hero__inner{grid-template-columns:1.05fr .95fr}
  .hero__visual{min-height:430px}
  .tool-layout{grid-template-columns:minmax(0,1fr) 320px}
  .footer__grid{grid-template-columns:1.7fr 1fr 1fr 1fr 1fr}
}
@media (min-width:1024px){
  .nav{display:block}
  .header__cta{display:inline-flex}
  .hamburger{display:none}
  .mobile-nav{display:none}
  .controls{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .nav{display:none}
  .header__cta .header__cta-text{display:none}
}
@media (max-width:520px){
  .brand__tag{display:none}
  .btn{padding:.72em 1.1em}
  .hero__visual{min-height:300px}
  .float-card{width:min(230px,86%)}
  .float-card--c{left:6%}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
}
@media (max-width:400px){
  .brand__name{font-size:1.02rem}
  .brand__mark{width:33px;height:33px}
  .icon-btn{width:38px;height:38px}
  .btn--lg{font-size:.94rem;padding:.82em 1.2em}
  .dropzone__actions .btn{width:100%}
}

/* ---------------------------- motion safety ----------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .float-card,.dropzone__icon,.convert-arrow{animation:none}
}


/* ==========================================================================
   Ajee Convert — overflow hardening & polish
   Guarantees no horizontal scrolling at any width from 320px upward.
   ========================================================================== */
html,body{max-width:100%;overflow-x:clip}
img,svg,video,canvas,iframe,table{max-width:100%}
.hero,.section,.wrap,.tool-layout,.header__bar,.site-footer,.card,.panel,.dropzone{min-width:0}
.hero__inner,.grid,.grid--2,.grid--3,.grid--4,.toolcards,.footer__grid{min-width:0}
.hero__inner>*,.grid>*,.grid--2>*,.grid--3>*,.grid--4>*,.toolcards>*,.footer__grid>*{min-width:0}
.wrap{width:100%;max-width:1240px;margin-inline:auto;padding-inline:clamp(12px,3vw,26px)}
.wrap--narrow{max-width:820px}
.hero__copy,.hero__visual{min-width:0;max-width:100%}
.hero h1,.tool-head h1{overflow-wrap:anywhere;word-break:break-word}
.field input,.field select,.field textarea{max-width:100%;min-width:0}
.prose pre,.prose code{overflow-x:auto;max-width:100%}
.prose__tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.prose table{min-width:0}
.info-grid{min-width:0}
.btn-row{flex-wrap:wrap}
.type-scale{overflow-wrap:anywhere}
@media (max-width:600px){
  .hero__stats{grid-template-columns:1fr 1fr !important}
  .hero{padding-block-start:clamp(18px,5vw,34px)}
  .float-card--c{display:none}
  .btn--lg,.btn--block{width:100%}
  .actionbar{flex-direction:column;align-items:stretch}
  .actionbar .btn{width:100%}
}
@media (max-width:380px){
  :root{--sp-4:12px}
  .brand__tag{display:none}
  .header__cta-text{display:none}
}
/* keep ad slots clear of interactive content */
.ad-slot{margin-block:clamp(20px,4vw,34px);clear:both}
.ad-slot:empty{display:none}