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

html,body {
margin:0;
padding:0;
width:100%;
height:100%;
overflow-x:hidden
}

body {
font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
background-color:#f9fafb;
color:#0f172a;
line-height:1.5
}

h1,h2,h3,p,ul,ol,figure {
margin:0;
padding:0
}

h1 {
font-size:1.7rem
}

h2 {
font-size:1.5rem
}

a {
color:inherit;
text-decoration:none
}

* {
scrollbar-width:thin;
scrollbar-color:#cbd5e1 transparent
}

::-webkit-scrollbar {
width:8px;
height:8px
}

::-webkit-scrollbar-track {
background:transparent
}

::-webkit-scrollbar-thumb {
background-color:#cbd5e1;
border-radius:999px
}

#page-preloader {
position:fixed;
inset:0;
z-index:9999;
display:flex;
align-items:center;
justify-content:center;
background:#fff;
transition:opacity .4s ease,visibility .4s ease
}

#page-preloader.hidden {
opacity:0;
visibility:hidden
}

.preloader-inner {
display:flex;
flex-direction:column;
align-items:center;
gap:18px
}

.preloader-symbol {
position:relative;
width:48px;
height:48px
}

.preloader-symbol::before {
content:"";
position:absolute;
inset:0;
border:1.5px solid #5a5a5b59;
border-radius:50%;
animation:pulse 1.6s ease-in-out infinite
}

.preloader-symbol::after {
content:"";
position:absolute;
top:50%;
left:50%;
width:9px;
height:9px;
background:#5a5a5b;
border-radius:50%;
transform:translate(-50%,-50%);
animation:orbit 1.6s linear infinite
}

.preloader-text {
font-size:.9rem;
letter-spacing:.12em;
color:#5a5a5b;
font-weight:500;
user-select:none
}

@keyframes orbit {
0% {
transform:translate(-50%,-50%) rotate(0deg) translateX(16px)
}

100% {
transform:translate(-50%,-50%) rotate(360deg) translateX(16px)
}
}

@keyframes pulse {
0%,100% {
opacity:.35
}

50% {
opacity:1
}
}

.primary-btn,.tool-main-btn,.search-bar button {
position:relative;
overflow:hidden;
background:linear-gradient(135deg,#3b82f6,#2563eb);
color:#fff;
border:none;
border-radius:12px;
box-shadow:0 10px 25px #2563eb59 inset 0 -2px 0 #0003 inset 0 1px 0 #ffffff26;
transition:transform 180ms cubic-bezier(.22,.61,.36,1),box-shadow 200ms cubic-bezier(.22,.61,.36,1),filter 160ms ease
}

.primary-btn:hover,.tool-main-btn:hover,.search-bar button:hover {
transform:translateY(-2px) scale(1.03);
box-shadow:0 18px 40px #2563eb73 0 6px 18px #2563eb40 inset 0 -2px 0 #00000040;
filter:brightness(1.05)
}

.primary-btn:active,.tool-main-btn:active,.search-bar button:active {
transform:translateY(1px) scale(0.98);
box-shadow:0 4px 10px #2563eb4d inset 0 2px 6px #0000004d
}

.primary-btn::after,.tool-main-btn::after,.search-bar button::after {
content:"";
position:absolute;
inset:0;
background:linear-gradient(120deg,transparent 30%,#ffffff40 50%,transparent 70%);
opacity:0;
transition:opacity 200ms ease
}

.primary-btn:hover::after,.tool-main-btn:hover::after,.search-bar button:hover::after {
opacity:1;
animation:btn-shine .9s linear
}

@keyframes btn-shine {
0% {
transform:translateX(-120%)
}

100% {
transform:translateX(120%)
}
}

.tool-btn,.tool-normal-btn {
background:#fff;
border:1px solid #d1d5db;
border-radius:10px;
box-shadow:0 4px 12px #0f172a0d inset 0 1px 0 #fff9;
transition:all 180ms ease
}

.tool-btn:hover,.tool-normal-btn:hover {
transform:translateY(-1px);
border-color:#93c5fd;
box-shadow:0 8px 20px #0f172a1f
}

input,select,textarea {
background:linear-gradient(#fff,#fff) padding-box,linear-gradient(120deg,#e5e7eb,#f1f5f9) border-box;
border:1px solid transparent;
border-radius:12px;
transition:border-color 180ms ease,box-shadow 200ms ease
}

input:hover,select:hover,textarea:hover {
border-color:#cbd5f5
}

input:focus,select:focus,textarea:focus {
border-color:#2563eb;
box-shadow:0 0 0 3px #2563eb2e 0 10px 25px #2563eb1f
}

.card,.category-card,.tool-box,.calculator-box {
background:linear-gradient(#fff,#fff) padding-box,linear-gradient(120deg,#eef2ff,#f8fafc) border-box;
border:1px solid transparent;
box-shadow:0 10px 25px #0f172a0f 0 2px 8px #0f172a0a
}

.card:hover,.category-card:hover {
transform:translateY(-4px);
box-shadow:0 18px 45px #0f172a1f 0 6px 18px #0f172a0f
}

.search-bar {
backdrop-filter:blur(10px);
box-shadow:0 8px 25px #0f172a14 inset 0 1px 0 #fff9
}


@keyframes dropdownSmooth {
from {
opacity:0;
transform:translateY(8px) scale(0.97)
}

to {
opacity:1;
transform:translateY(0) scale(1)
}
}

.category-card {
background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#e0e7ff,#f1f5f9) border-box;
box-shadow:0 6px 18px #0f172a0f
}

.overlay {
backdrop-filter:blur(12px);
background:radial-gradient(circle at top,#6366f114,transparent),#0f172a8c
}

.schedule-table {
border-radius:12px;
overflow:hidden
}

.schedule-table tbody tr:hover {
background:#f1f5f9;
transform:scale(1.002)
}

button,.card,.category-card {
will-change:transform
}

h1,h2,h3 {
letter-spacing:-.03em
}

p {
color:#475569
}

body::before {
content:"";
position:fixed;
inset:0;
pointer-events:none;
background-image:radial-gradient(#00000006 1px,transparent 1px);
background-size:3px 3px;
opacity:.35
}

.card {
position:relative;
overflow:hidden;
border-radius:18px;
padding:1.4rem;
background:linear-gradient(#fff,#fff) padding-box,linear-gradient(120deg,#e0f2fe,#eef2ff) border-box;
border:1px solid transparent;
box-shadow:0 8px 22px #0f172a0d;
transition:transform 240ms cubic-bezier(.22,.61,.36,1),box-shadow 240ms cubic-bezier(.22,.61,.36,1),border-color 180ms ease
}

.card::before {
content:"";
position:absolute;
inset:0;
border-radius:inherit;
background:radial-gradient(circle at top left,#3b82f61f,transparent 60%);
opacity:0;
transition:opacity 240ms ease
}

.card:hover {
transform:translateY(-6px) scale(1.02);
box-shadow:0 18px 45px #0f172a1f 0 6px 18px #3b82f61f;
border-color:#bfdbfe
}

.card:hover::before {
opacity:1
}

.card::after {
content:"";
position:absolute;
left:0;
top:0;
width:4px;
height:100%;
background:linear-gradient(to bottom,#3b82f6,#6366f1);
opacity:.6;
transition:opacity 200ms ease
}

.card:hover::after {
opacity:1
}

.card h3 {
font-weight:600;
color:#020617
}

.card p {
margin-top:.5rem;
color:#475569
}

.category-card {
position:relative;
overflow:hidden;
border-radius:14px;
padding:14px;
font-weight:600;
background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#dbeafe,#e0e7ff) border-box;
border:1px solid transparent;
box-shadow:0 6px 18px #0f172a0d;
transition:transform 200ms cubic-bezier(.22,.61,.36,1),box-shadow 200ms cubic-bezier(.22,.61,.36,1)
}

.category-card::before {
content:"";
position:absolute;
inset:0;
border-radius:inherit;
background:radial-gradient(circle at 30% 20%,#6366f12e,transparent 60%);
opacity:0;
transition:opacity 200ms ease
}

.category-card:hover {
transform:translateY(-3px) scale(1.03);
box-shadow:0 14px 34px #0f172a1f 0 4px 12px #6366f11f
}

.category-card:hover::before {
opacity:1
}

.category-card.is-active {
background:linear-gradient(135deg,#3b82f6,#6366f1);
color:#fff;
box-shadow:0 10px 30px #3b82f659
}

.card.variant-blue::after {
background:#3b82f6
}

.card.variant-purple::after {
background:#8b5cf6
}

.card.variant-green::after {
background:#22c55e
}

.card.variant-pink::after {
background:#ec4899
}

.card,.category-card {
will-change:transform
}

.stats {
margin-top:3rem;
width:100%
}

.stats-grid {
width:100vw;
margin-left:50%;
transform:translateX(-50%);
display:grid;
grid-template-columns:repeat(4,1fr);
padding:1.8rem 2rem;
background:linear-gradient(135deg,#3b82f6,#6366f1);
color:#fff;
box-shadow:0 25px 60px #3b82f640
}

.stats-grid > div {
text-align:center
}

@media (max-width: 700px) {
.stats-grid {
grid-template-columns:repeat(2,1fr);
gap:1rem
}
}

.faq-pro {
max-width:820px;
margin:0 auto
}

.faq-list {
display:grid;
gap:16px;
margin-top:1rem
}

.faq-item {
padding:1.2rem 1.4rem;
border-radius:16px;
background:linear-gradient(#fff,#fff) padding-box,linear-gradient(120deg,#e0e7ff,#f1f5f9) border-box;
border:1px solid transparent;
box-shadow:0 10px 25px #0f172a0f;
transition:transform 200ms ease,box-shadow 200ms ease
}

.faq-item:hover {
transform:translateY(-3px);
box-shadow:0 18px 40px #0f172a1f
}

.faq-item h3 {
font-size:1.05rem;
font-weight:600;
margin-bottom:.35rem;
color:#020617
}

.faq-item p {
font-size:.95rem;
line-height:1.6;
color:#475569
}

@media (max-width: 640px) {
.faq-pro {
max-width:100%
}

.faq-item {
padding:1rem 1.1rem
}

.faq-item h3 {
font-size:1rem
}

.faq-item p {
font-size:.9rem
}
}

.heading-gradient,h1,h2,.section-header h2 {
font-weight:800;
letter-spacing:-.02em;
background:linear-gradient(135deg,#334155,/* slate (calm dark) */ #64748b /* muted blue-gray */);
-webkit-background-clip:text;
-webkit-text-fill-color:transparent;
display:inline-block
}

/* =========================
   THEME SEARCH DROPDOWN
========================= */

.search-results {

  position: absolute;

  top: calc(100% + 10px);

  left: 50%;

  transform:
    translateX(-50%);

  width: 100%;

  max-width: 620px;

  max-height: 360px;

  overflow-y: auto;

  overscroll-behavior: contain;

  padding:
    8px;

  border-radius: 20px;

  border:
    1px solid rgba(255,255,255,0.08);

  background:
    rgba(44, 42, 159, 0.78);

  box-shadow:
    0 20px 50px rgba(15,23,42,0.20),
    0 8px 20px rgba(15,23,42,0.10);

  z-index: 99999;

  display: none;

  animation:
    dropdownReveal 160ms ease;

}

/* =========================
   SCROLLBAR
========================= */

.search-results::-webkit-scrollbar {

  width: 7px;

}

.search-results::-webkit-scrollbar-thumb {

  background:
    rgba(255,255,255,0.18);

  border-radius: 999px;

}

.search-results::-webkit-scrollbar-track {

  background: transparent;

}

/* =========================
   SEARCH RESULT ITEM
========================= */

.search-result-item {

  display: flex;

  flex-direction: column;

  justify-content: center;

  gap: 2px;

  min-height: 52px;

  padding:
    10px 14px;

  border:
    1px solid transparent;

  border-radius: 14px;

  text-decoration: none;

  transition:
    all 0.16s ease;

  background:
    transparent;

}

/* HOVER */

.search-result-item:hover,
.search-result-item.active {

  border:
    1px solid rgba(59,130,246,0.24);

  background:
    rgba(255,255,255,0.05);

}

/* =========================
   RESULT TITLE
========================= */

.result-title {

  font-size: 0.92rem;

  font-weight: 650;

  letter-spacing: -0.01em;

  color:
    rgba(255,255,255,0.96);

  line-height: 1.2;

}

/* =========================
   RESULT META
========================= */

.result-meta {

  font-size: 0.75rem;

  font-weight: 500;

  color:
    rgba(255,255,255,0.55);

  line-height: 1.2;

}

/* =========================
   EMPTY STATE
========================= */

.search-empty {

  padding:
    16px;

  text-align: center;

  border-radius: 14px;

  color:
    rgba(255,255,255,0.55);

  font-size: 0.85rem;

}

/* =========================
   ANIMATION
========================= */

@keyframes dropdownReveal {

  0% {

    opacity: 0;

    transform:
      translateX(-50%)
      translateY(8px);

  }

  100% {

    opacity: 1;

    transform:
      translateX(-50%)
      translateY(0);

  }

}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {

  .search-results {

    width: calc(100vw - 24px);

    max-width: unset;

    border-radius: 16px;

    padding:
      6px;

  }

  .search-result-item {

    min-height: 48px;

    padding:
      10px 12px;

    border-radius:
      12px;

  }

  .result-title {

    font-size:
      0.88rem;

  }

  .result-meta {

    font-size:
      0.72rem;

  }

}

/* =========================
   USE CASES SECTION
========================= */

.use-cases-pro {

  position: relative;

  width: 100%;

  max-width: 1280px;

  margin: 0 auto;

  padding:
    48px 24px;

}

/* =========================
   SECTION HEADER
========================= */

.use-cases-pro .section-header {

  max-width: 760px;

  margin:
    0 auto 3rem;

  text-align: center;

}

.use-cases-pro .section-header h2 {

  font-size:
    clamp(2rem, 4vw, 3rem);

  font-weight: 800;

  letter-spacing: -0.045em;

  line-height: 1.05;

  color:
    #0f172a;

  margin-bottom: 16px;

}

.use-cases-pro .section-header p {

  font-size: 1.02rem;

  line-height: 1.75;

  color:
    #64748b;

}

/* =========================
   GRID
========================= */

.usecases-grid {

  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 1.25rem;

  align-items: stretch;

}

/* =========================
   CARD
========================= */

.usecase-card {

  position: relative;

  overflow: hidden;

  isolation: isolate;

  display: flex;

  flex-direction: column;

  justify-content: flex-start;

  align-items: flex-start;

  min-height: 210px;

  padding:
    26px;

  border-radius: 26px;

  text-decoration: none;

  background:
    linear-gradient(
      180deg,
      rgba(255,255,255,0.98) 0%,
      rgba(248,250,252,1) 100%
    );

  border:
    1px solid rgba(226,232,240,0.95);

  box-shadow:
    0 1px 2px rgba(15,23,42,0.04),
    0 10px 30px rgba(15,23,42,0.06);

  transition:
    transform 320ms cubic-bezier(.22,1,.36,1),
    box-shadow 320ms cubic-bezier(.22,1,.36,1),
    border-color 220ms ease,
    background 220ms ease;

}

/* =========================
   PREMIUM LIGHT
========================= */

.usecase-card::before {

  content: "";

  position: absolute;

  inset: 0;

  opacity: 0;

  transition:
    opacity 260ms ease;

  background:
    radial-gradient(
      circle at top right,
      rgba(96,165,250,0.18),
      transparent 42%
    );

  z-index: -1;

}

/* =========================
   TOP ACCENT
========================= */

.usecase-card::after {

  content: "";

  position: absolute;

  top: 0;

  left: 0;

  width: 100%;

  height: 4px;

  opacity: 0;

  transition:
    opacity 240ms ease;

  background:
    linear-gradient(
      90deg,
      #38bdf8,
      #3b82f6,
      #2563eb
    );

}

/* =========================
   ICON
========================= */

.usecase-icon {

  width: 64px;

  height: 64px;

  display: flex;

  align-items: center;

  justify-content: center;

  margin-bottom: 22px;

  border-radius: 20px;

  font-size: 1.7rem;

  background:
    linear-gradient(
      135deg,
      #eff6ff,
      #dbeafe
    );

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9);

  transition:
    transform 280ms cubic-bezier(.22,1,.36,1);

}

/* =========================
   TITLE
========================= */

.usecase-card h3 {

  font-size: 1.14rem;

  font-weight: 750;

  line-height: 1.3;

  letter-spacing: -0.02em;

  color:
    #0f172a;

  margin-bottom: 10px;

}

/* =========================
   DESCRIPTION
========================= */

.usecase-card p {

  margin: 0;

  font-size: 0.94rem;

  line-height: 1.7;

  color:
    #64748b;

}

/* =========================
   HOVER
========================= */

.usecase-card:hover {

  transform:
    translateY(-8px);

  border-color:
    rgba(96,165,250,0.42);

  background:
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f7fbff 100%
    );

  box-shadow:
    0 30px 60px rgba(15,23,42,0.10),
    0 10px 24px rgba(37,99,235,0.08);

}

/* SHOW EFFECTS */

.usecase-card:hover::before,
.usecase-card:hover::after {

  opacity: 1;

}

/* ICON ANIMATION */

.usecase-card:hover .usecase-icon {

  transform:
    translateY(-2px)
    scale(1.05);

}

/* =========================
   TABLET
========================= */

@media (max-width: 1024px) {

  .usecases-grid {

    grid-template-columns:
      repeat(2, minmax(0, 1fr));

  }

}

/* =========================
   MOBILE
========================= */

@media (max-width: 640px) {

  .use-cases-pro {

    padding:
      36px 16px;

  }

  .usecases-grid {

    grid-template-columns:
      1fr;

    gap: 1rem;

  }

  .usecase-card {

    min-height: auto;

    padding:
      22px;

    border-radius:
      22px;

  }

  .usecase-icon {

    width: 56px;

    height: 56px;

    font-size:
      1.45rem;

    margin-bottom:
      18px;

  }

  .usecase-card h3 {

    font-size:
      1.02rem;

  }

  .usecase-card p {

    font-size:
      0.9rem;

  }

}