/* ==========================================================================
   Tech Sathi — design tokens
   ========================================================================== */
:root{
  --bg: #0a0e1a;
  --bg-soft: #0d1322;
  --surface: #111a2b;
  --surface-2: #16233a;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #eaf0fa;
  --text-muted: #93a0ba;
  --text-faint: #5d6a86;
  --saffron: #f2a93c;
  --saffron-dim: #6b5225;
  --teal: #35d0c0;
  --teal-dim: rgba(53,208,192,0.12);
  --danger: #ef6d6d;

  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 26px;

  --shadow-card: 0 1px 0 rgba(255,255,255,0.05) inset, 0 20px 40px -20px rgba(0,0,0,0.6);
  --shadow-pop: 0 30px 60px -20px rgba(0,0,0,0.7);

  --ease: cubic-bezier(.22,.9,.3,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  background: radial-gradient(120% 100% at 80% -10%, #142038 0%, var(--bg) 45%) fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3{ font-family: var(--font-display); color: var(--text); margin: 0 0 .5em; letter-spacing: -0.01em; }
h1{ font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08; font-weight: 700; }
h2{ font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 700; }
h3{ font-size: 1.15rem; font-weight: 600; }
p{ margin: 0 0 1em; color: var(--text-muted); max-width: 62ch; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }

.wrap{ max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 2;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: .025;
  mix-blend-mode: overlay;
}

.eyebrow-tag{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .02em;
  color: var(--teal); margin: 0 0 16px;
}
.eyebrow-tag .dot{ width:6px; height:6px; border-radius:50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 26px; border-radius: var(--radius-s);
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  cursor:pointer; border:1px solid transparent;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), background .2s;
  transform-style: preserve-3d;
}
.btn--primary{
  background: linear-gradient(180deg, #f6bb5c, var(--saffron));
  color: #1a1102;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 10px 24px -8px rgba(242,169,60,.55), 0 3px 0 var(--saffron-dim);
}
.btn--primary:hover{ transform: translateY(-2px); box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 16px 30px -8px rgba(242,169,60,.6), 0 3px 0 var(--saffron-dim); }
.btn--primary:active{ transform: translateY(1px); box-shadow: 0 1px 0 rgba(255,255,255,.3) inset, 0 6px 14px -6px rgba(242,169,60,.5), 0 1px 0 var(--saffron-dim); }
.btn--ghost{
  background: rgba(255,255,255,.03);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover{ background: rgba(255,255,255,.07); transform: translateY(-2px); }
.btn--block{ width:100%; }
.btn:disabled{ opacity:.6; cursor:progress; transform:none; }

/* ==========================================================================
   Nav
   ========================================================================== */
.nav{
  position: sticky; top:0; z-index: 40;
  background: rgba(10,14,26,.7);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav__inner{ display:flex; align-items:center; justify-content:space-between; height: 72px; }
.nav__brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-display); font-weight:700; }
.nav__mark{ font-family: var(--font-mono); color: var(--teal); font-weight:600; }
.nav__name{ font-size: 1.05rem; }
.nav__links{ display:flex; align-items:center; gap: 30px; }
.nav__links a{ font-size:.92rem; color: var(--text-muted); transition: color .15s; }
.nav__links a:hover{ color: var(--text); }
.nav__cta{
  padding: 10px 18px; border-radius: 999px;
  background: var(--surface-2); border:1px solid var(--border-strong);
  color: var(--text) !important;
}
.nav__toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav__toggle span{ width:22px; height:2px; background: var(--text); display:block; }

@media (max-width: 860px){
  .nav__toggle{ display:flex; }
  .nav__links{
    position:absolute; top:72px; left:0; right:0;
    background: var(--bg-soft); border-bottom:1px solid var(--border);
    flex-direction:column; align-items:flex-start; gap:0;
    max-height:0; overflow:hidden; transition: max-height .3s var(--ease);
  }
  .nav__links.is-open{ max-height:340px; }
  .nav__links a{ width:100%; padding: 16px 24px; border-bottom:1px solid var(--border); }
  .nav__cta{ margin: 12px 24px; text-align:center; }
}

/* ==========================================================================
   Hero + 3D stack
   ========================================================================== */
.hero{ padding: 96px 0 60px; overflow: hidden; }
.hero__inner{ display:grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items:center; }
.hero__sub{ font-size: 1.05rem; max-width: 46ch; }
.hero__underline{ color: var(--saffron); position:relative; }
.hero__actions{ display:flex; gap:16px; margin: 28px 0 40px; flex-wrap:wrap; }
.hero__stats{ display:flex; gap: 34px; flex-wrap:wrap; }
.hero__stats dt{ font-family: var(--font-display); font-size:1.4rem; color: var(--text); }
.hero__stats dd{ margin:0; font-size:.82rem; color: var(--text-faint); max-width:16ch; }

.hero__stage{
  position: relative; height: 420px;
  perspective: 1400px;
  display:flex; align-items:center; justify-content:center;
}
.stage__ring{
  position:absolute; border-radius:50%;
  border:1px solid var(--border);
}
.stage__ring--a{ width:360px; height:360px; }
.stage__ring--b{ width:460px; height:460px; border-color: rgba(255,255,255,.05); }

.stack{
  position: relative; width: 280px; height: 340px;
  transform-style: preserve-3d;
  transform: rotateX(14deg) rotateY(-22deg);
  transition: transform .2s ease-out;
}
.stack__card{
  position:absolute; inset:0;
  border-radius: var(--radius-m);
  border: 1px solid var(--border-strong);
  background: linear-gradient(155deg, var(--surface-2), var(--surface));
  box-shadow: var(--shadow-card);
  padding: 22px;
  display:flex; flex-direction:column; justify-content:flex-end;
  backface-visibility: hidden;
}
.stack__card--1{ transform: translateZ(0px) translateY(0px); }
.stack__card--2{ transform: translateZ(-34px) translateY(26px); }
.stack__card--3{ transform: translateZ(-68px) translateY(52px); }
.stack__card--4{ transform: translateZ(-102px) translateY(78px); }
.stack__card--1{ border-color: rgba(242,169,60,.4); }
.stack__label{ font-family: var(--font-mono); color: var(--teal); font-size:.75rem; margin-bottom:auto; }
.stack__title{ font-family: var(--font-display); font-weight:600; color: var(--text); margin:0; font-size:1.05rem; }
.stack__meta{ margin:2px 0 0; font-size:.8rem; color: var(--text-faint); }

@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
  .hero__stage{ height: 320px; order:-1; }
  .stack{ transform: rotateX(10deg) rotateY(-14deg) scale(.85); }
}

/* ==========================================================================
   Trust strip
   ========================================================================== */
.trust{ border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding: 22px 0; }
.trust__row{ display:flex; flex-wrap:wrap; gap: 34px; justify-content:center; font-family: var(--font-mono); font-size:.8rem; color: var(--text-faint); letter-spacing:.03em; }

/* ==========================================================================
   Section shells
   ========================================================================== */
section{ padding: 100px 0; }
.section-head{ max-width: 640px; margin: 0 auto 56px; text-align:center; }
.section-head--left{ margin: 0 0 32px; text-align:left; }
.section-lede{ font-size: 1rem; }

/* ==========================================================================
   Services — 3D tilt cards
   ========================================================================== */
.cards{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tilt-card{ perspective: 900px; }
.tilt-card__inner{
  position:relative;
  height:100%;
  padding: 28px 24px;
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
  transition: transform .12s ease-out, border-color .2s, box-shadow .2s;
  will-change: transform;
}
.tilt-card:hover .tilt-card__inner{ border-color: var(--border-strong); }
.tilt-card__icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius: 12px;
  background: var(--teal-dim); color: var(--teal);
  font-size: 1.3rem; margin-bottom: 18px;
  transform: translateZ(30px);
}
.tilt-card__inner h3{ transform: translateZ(20px); }
.tilt-card__inner p{ transform: translateZ(14px); font-size: .92rem; }
.tilt-card__tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; transform: translateZ(10px); }
.tilt-card__tags li{
  font-family: var(--font-mono); font-size:.72rem; color: var(--text-faint);
  border:1px solid var(--border); padding: 4px 10px; border-radius: 999px;
}

@media (max-width: 1080px){ .cards{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .cards{ grid-template-columns: 1fr; } }

/* ==========================================================================
   Process timeline
   ========================================================================== */
.timeline{ display:grid; grid-template-columns: repeat(4,1fr); gap: 28px; counter-reset: step; }
.timeline li{ position:relative; padding-top: 46px; border-top: 1px solid var(--border-strong); }
.timeline__num{
  position:absolute; top:-1px; left:0;
  font-family: var(--font-display); font-size: 1.6rem; color: var(--saffron);
  transform: translateY(-50%);
  background: var(--bg); padding-right: 10px;
}
.timeline h3{ margin-bottom:8px; }
.timeline p{ font-size: .92rem; }
@media (max-width: 900px){ .timeline{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .timeline{ grid-template-columns: 1fr; } }

/* ==========================================================================
   Payments
   ========================================================================== */
.payments__grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items:start; }
.payment-methods{ display:flex; flex-direction:column; gap:14px; margin-top: 20px; }
.payment-methods li{ display:flex; gap:10px; font-size:.92rem; color: var(--text-muted); }
.payment-methods li span{ font-family: var(--font-mono); color: var(--text); min-width: 150px; font-size:.82rem; }

.payment-card{
  border-radius: var(--radius-l);
  background: linear-gradient(165deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong);
  padding: 32px;
  box-shadow: var(--shadow-pop);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform .3s var(--ease);
}
.payment-card:hover{ transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }
.payment-card__row{ display:flex; justify-content:space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.payment-card__row p{ margin:0; color: var(--text); font-size:.94rem; }
.payment-card__row span{ font-family: var(--font-mono); color: var(--saffron); font-weight:600; }
.payment-card__note{ font-size:.82rem; margin: 18px 0 22px; }

@media (max-width: 900px){ .payments__grid{ grid-template-columns: 1fr; } .payment-card{ transform:none; } }

/* ==========================================================================
   About — flip card
   ========================================================================== */
.about__grid{ display:grid; grid-template-columns: 320px 1fr; gap: 56px; align-items:start; }
.flip-card{ perspective: 1200px; height: 340px; cursor:pointer; outline:none; }
.flip-card__inner{
  position:relative; width:100%; height:100%;
  transform-style: preserve-3d;
  transition: transform .6s var(--ease);
}
.flip-card.is-flipped .flip-card__inner,
.flip-card:hover .flip-card__inner,
.flip-card:focus-visible .flip-card__inner{ transform: rotateY(180deg); }
.flip-card__face{
  position:absolute; inset:0; border-radius: var(--radius-l);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  backface-visibility:hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-card);
  text-align:center; padding: 24px;
}
.flip-card__face--front{ background: linear-gradient(155deg, var(--surface-2), var(--surface)); }
.flip-card__initials{ font-family: var(--font-display); font-size: 3.4rem; font-weight:800; color: var(--saffron); }
.flip-card__tap{ font-family: var(--font-mono); font-size:.72rem; color: var(--text-faint); margin-top:16px; }
.flip-card__face--back{ background: linear-gradient(155deg, var(--saffron-dim), var(--surface)); transform: rotateY(180deg); }
.flip-card__quote{ font-family: var(--font-display); font-size: 1.15rem; color: var(--text); font-style: normal; }

.about__role{ color: var(--saffron); font-family: var(--font-mono); font-size:.85rem; margin-bottom: 18px; }
.about__grid-stats{ display:flex; gap: 34px; margin: 26px 0; flex-wrap:wrap; }
.about__grid-stats strong{ display:block; font-family: var(--font-display); font-size:1.5rem; }
.about__grid-stats span{ font-size:.78rem; color: var(--text-faint); }
.skill-pills{ display:flex; flex-wrap:wrap; gap:10px; }
.skill-pills li{ font-family: var(--font-mono); font-size:.76rem; padding: 6px 12px; border-radius:999px; border:1px solid var(--border-strong); color: var(--text-muted); }

@media (max-width: 860px){ .about__grid{ grid-template-columns: 1fr; } .flip-card{ max-width: 320px; } }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact__grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.contact__email{ display:inline-block; font-family: var(--font-mono); color: var(--teal); font-size: 1rem; margin: 6px 0 26px; border-bottom: 1px dashed var(--teal); }
.contact__list{ display:flex; flex-direction:column; gap:14px; }
.contact__list li{ font-size:.9rem; color: var(--text-muted); }
.contact__list li span{ display:block; color: var(--text); font-weight:600; font-size:.92rem; }

.form{
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-l);
  padding: 32px;
  box-shadow: var(--shadow-pop);
}
.form__row{ margin-bottom: 18px; display:flex; flex-direction:column; gap:8px; }
.form__row label{ font-size:.82rem; color: var(--text-muted); }
.form__row label span{ color: var(--text-faint); }
.form__row input, .form__row select, .form__row textarea{
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  padding: 13px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: .95rem;
  resize: vertical;
  transition: border-color .15s, box-shadow .15s;
}
.form__row input:focus, .form__row select:focus, .form__row textarea:focus{
  outline: none; border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-dim);
}
.form__row select{ appearance:none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2393a0ba' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position: right 14px center; }
.form__status{ min-height: 1.4em; font-size:.85rem; margin: 14px 0 0; text-align:center; }
.form__status.is-success{ color: var(--teal); }
.form__status.is-error{ color: var(--danger); }

@media (max-width: 900px){ .contact__grid{ grid-template-columns: 1fr; } }

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */
.whatsapp-float{
  position: fixed; right: 24px; bottom: 24px; z-index: 50;
  width: 58px; height: 58px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(155deg, #2fe08a, #1fb86e);
  color: #06210f;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 14px 28px -8px rgba(31,184,110,.55), 0 3px 0 #0d6b3f;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease);
}
.whatsapp-float:hover{ transform: translateY(-3px) scale(1.04); }
.whatsapp-float:active{ transform: translateY(1px) scale(.98); }

.contact__whatsapp{
  display:inline-flex; align-items:center; gap:8px;
  color: #2fe08a; font-weight:600; font-size:.92rem; margin-bottom: 20px;
}
.contact__whatsapp svg{ flex-shrink:0; }

.footer__admin{
  color: var(--text-faint); font-size: .78rem;
}
.footer__admin:hover{ color: var(--text-muted); }

/* ==========================================================================
   Mobile app showcase — 3D phone mockup
   ========================================================================== */
.mobile-showcase{ padding-top: 0; }
.mobile-showcase__grid{ display:grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items:center; }

.phone-mock{ position:relative; display:flex; justify-content:center; perspective: 1200px; }
.phone-mock__frame{
  position:relative; width: 220px; height: 440px;
  border-radius: 34px; padding: 10px;
  background: linear-gradient(155deg, #1c2740, #0c1322);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-pop);
  transform: rotateY(-18deg) rotateX(4deg);
  transition: transform .4s var(--ease);
  overflow: hidden;
}
.phone-mock:hover .phone-mock__frame{ transform: rotateY(-6deg) rotateX(1deg); }
.phone-mock__frame img{ width:100%; height:100%; object-fit: cover; border-radius: 24px; display:block; }
.phone-mock__notch{
  position:absolute; top:10px; left:50%; transform: translateX(-50%);
  width: 90px; height: 18px; border-radius: 0 0 14px 14px;
  background: #0c1322;
}
.phone-mock__shadow{
  position:absolute; bottom:-20px; left:50%; transform: translateX(-50%);
  width: 160px; height: 30px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0,0,0,.5), transparent 70%);
}

@media (max-width: 900px){
  .mobile-showcase__grid{ grid-template-columns: 1fr; text-align:center; }
  .mobile-showcase__grid .skill-pills{ justify-content:center; }
  .phone-mock__frame{ transform: rotateY(0) rotateX(0) scale(.9); }
}

/* ==========================================================================
   Careers page
   ========================================================================== */
.nav__links a.is-current{ color: var(--saffron); }

.careers-hero{ padding-top: 72px; }
.careers-hero__grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items:center; }
.careers-hero__image img{
  width:100%; height:auto; border-radius: var(--radius-l);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-pop);
  transform: perspective(1000px) rotateY(4deg) rotateX(1deg);
}

.role-list{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.role-card{
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  display:flex; flex-direction:column; justify-content:space-between; gap: 20px;
}
.role-card p{ font-size:.9rem; }
.role-card .skill-pills{ margin-top: 14px; }
.role-card__apply{ align-self:flex-start; padding: 10px 20px; font-size:.86rem; }

.apply__grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }

@media (max-width: 980px){
  .careers-hero__grid{ grid-template-columns: 1fr; }
  .role-list{ grid-template-columns: 1fr; }
  .apply__grid{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer{ border-top: 1px solid var(--border); padding-top: 64px; }
.footer__inner{ display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer__tag{ font-size: .88rem; max-width: 36ch; margin-top: 14px; }
.footer__head{ font-family: var(--font-mono); font-size:.75rem; color: var(--text-faint); margin-bottom: 14px; }
.footer__col a{ display:block; font-size:.88rem; color: var(--text-muted); margin-bottom: 10px; }
.footer__col a:hover{ color: var(--text); }
.footer__bottom{ border-top: 1px solid var(--border); padding: 20px 24px; font-size:.8rem; color: var(--text-faint); display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; }
.footer__bottom p{ margin:0; }

@media (max-width: 780px){ .footer__inner{ grid-template-columns: 1fr 1fr; } }