*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --black:    #111111;
  --white:    #FFFFFF;
  --gray-bg:  #F5F5F5;
  --gray:     #666666;
  --gray-lt:  #999999;
  --border:   #E0E0E0;
  --orange:   #FF6B00;
  --orange-h: #E05A00;
  --orange-d: rgba(255,107,0,0.12);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; font-size: 16px; line-height: 1.6; color: var(--black); background: var(--white); overflow-x: hidden; margin-top: 68px; }
h1,h2,h3,h4 { font-family: 'Rajdhani', sans-serif; font-weight: 700; line-height: 1.1; }
a { text-decoration: none; }
img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #f0f0f0; }
::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 3px; }

/* ── HEADER ── */
#grtech-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
#grtech-header.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,.09); }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 34px; height: 34px; background: var(--orange);
  clip-path: polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 13px; color: #fff;
}
.logo-name { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 19px; color: var(--black); letter-spacing: .04em; }
.logo-name b { color: var(--orange); }
nav { display: flex; align-items: center; gap: 28px; }
nav a { font-size: 14px; font-weight: 500; color: var(--gray); transition: color .2s; }
nav a:hover, nav a.active { color: var(--orange); }
nav a.active { font-weight: 600; }
.nav-cta {
  background: var(--orange); color: #fff !important; padding: 8px 20px; border-radius: 4px;
  font-weight: 600 !important; font-size: 13px !important; letter-spacing: .04em;
  transition: background .2s !important;
}
.nav-cta:hover { background: var(--orange-h) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--black); display: block; transition: all .3s; }

/* ── FOOTER ── */
#grtech-footer { background: #0A0A0A; color: #ccc; padding: 56px 6% 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-about p { font-size: 13px; color: #777; line-height: 1.7; margin-top: 14px; max-width: 240px; }
.footer-col h4 { font-family: 'Rajdhani', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--orange); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col ul a { font-size: 13px; color: #777; transition: color .2s; }
.footer-col ul a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid #222; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: #555; }
.footer-bottom span { color: var(--orange); }

/* ── SHARED SECTION STYLES ── */
.sec { padding: 88px 6%; }
.sec-white { background: var(--white); }
.sec-gray  { background: var(--gray-bg); }
.sec-black { background: var(--black); color: var(--white); }

.eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--orange);
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.eyebrow::before { content: ''; width: 20px; height: 2px; background: var(--orange); }
.sec-title { font-size: clamp(28px,3.5vw,44px); margin-bottom: 12px; }
.sec-title span { color: var(--orange); }
.sec-black .sec-title { color: #fff; }
.sec-lead { font-size: 16px; color: var(--gray); max-width: 600px; line-height: 1.7; }
.sec-black .sec-lead { color: #aaa; }

/* ── BUTTONS ── */
.btn-primary {
  background: var(--orange); color: #fff; padding: 13px 30px; border-radius: 4px;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 15px; letter-spacing: .06em;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-primary:hover { background: var(--orange-h); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,0,.35); }
.btn-outline {
  border: 2px solid var(--orange); color: var(--orange); padding: 12px 30px; border-radius: 4px;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 15px; letter-spacing: .06em;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .2s, color .2s;
}
.btn-outline:hover { background: var(--orange); color: #fff; }
.btn-ghost {
  border: 1px solid #444; color: #ccc; padding: 13px 30px; border-radius: 4px;
  font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 15px; letter-spacing: .06em;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  position: relative; overflow: hidden; min-height: 380px;
  display: flex; align-items: flex-end; padding: 72px 6%;
  background: var(--black);
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .22; transition: opacity .3s;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,10,10,1) 35%, rgba(10,10,10,.55) 100%);
}
.page-hero-content { position: relative; z-index: 1; max-width: 700px; }
.page-hero-content .eyebrow { margin-bottom: 16px; }
.page-hero-content h1 { font-size: clamp(36px,5vw,64px); color: #fff; margin-bottom: 16px; }
.page-hero-content h1 span { color: var(--orange); }
.page-hero-content p { font-size: 17px; color: #aaa; max-width: 520px; line-height: 1.7; }

/* ── CTA BAND ── */
.cta-band {
  position: relative; overflow: hidden;
  padding: 80px 6%; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band-bg { position: absolute; inset: 0; background: var(--orange); }
.cta-band-content { position: relative; z-index: 1; }
.cta-band-content h2 { font-size: clamp(24px,3vw,38px); color: #fff; margin-bottom: 8px; }
.cta-band-content p { font-size: 16px; color: rgba(255,255,255,.85); }
.btn-white {
  position: relative; z-index: 1;
  background: #fff; color: var(--orange); padding: 14px 36px; border-radius: 4px;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 16px; letter-spacing: .06em;
  white-space: nowrap; transition: box-shadow .2s, transform .15s;
}
.btn-white:hover { box-shadow: 0 8px 24px rgba(0,0,0,.2); transform: translateY(-2px); }

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.on { opacity: 1; transform: translateY(0); }

/* ── NUMBERS BAND ── */
.num-band {
  background: var(--orange); color: #fff; padding: 52px 6%;
  display: grid; grid-template-columns: repeat(4,1fr); gap: 32px;
}
.num-item { text-align: center; }
.num-val { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: clamp(34px,4vw,52px); line-height: 1; }
.num-label { font-size: 13px; opacity: .85; margin-top: 6px; line-height: 1.4; }

/* ── FEATURE LIST ── */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--gray); line-height: 1.5; }
.feature-list li::before { content: ''; width: 6px; height: 6px; background: var(--orange); border-radius: 50%; flex-shrink: 0; margin-top: 8px; }
.sec-black .feature-list li { color: #bbb; }

/* ── IMAGE CARD ── */
.img-card {
  position: relative; overflow: hidden; border-radius: 4px;
  min-height: 320px; display: flex; flex-direction: column; justify-content: flex-end; padding: 32px;
}
.img-card-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .5s; }
.img-card:hover .img-card-bg { transform: scale(1.04); }
.img-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.9) 40%, rgba(0,0,0,.35) 100%); }
.img-card-content { position: relative; z-index: 1; }
.img-card-tag { display: inline-block; background: var(--orange-d); border: 1px solid rgba(255,107,0,.3); color: var(--orange); font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: 3px 10px; border-radius: 2px; margin-bottom: 10px; }
.img-card-title { font-size: 22px; color: #fff; margin-bottom: 6px; }
.img-card-desc { font-size: 13px; color: #bbb; line-height: 1.6; }

/* ── GRID LAYOUTS ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2-1 { display: grid; grid-template-columns: 1fr 1.3fr; gap: 72px; align-items: center; }

/* ── TAG ── */
.tag { font-size: 11px; background: var(--gray-bg); color: var(--gray); padding: 3px 8px; border-radius: 2px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── CONTACT FORM ── */
.form-box { background: var(--white); padding: 40px; border-radius: 4px; border: 1px solid var(--border); }
.form-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fg { display: flex; flex-direction: column; gap: 6px; }
.fg label { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.fg input, .fg textarea, .fg select {
  border: 1px solid var(--border); border-radius: 4px; padding: 11px 14px;
  font-family: 'Inter', sans-serif; font-size: 14px; outline: none;
  transition: border-color .2s; width: 100%; background: var(--white); color: var(--black);
}
.fg input:focus, .fg textarea:focus, .fg select:focus { border-color: var(--orange); }
.fg textarea { resize: vertical; min-height: 110px; }

/* ── MOBILE ── */
@media(max-width: 960px) {
  .num-band { grid-template-columns: repeat(2,1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2-1 { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media(max-width: 700px) {
  nav { display: none; flex-direction: column; gap: 0; position: fixed; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 12px 0; }
  nav.open { display: flex; }
  nav a { padding: 13px 6%; font-size: 15px; width: 100%; border-bottom: 1px solid #f0f0f0; }
  .nav-cta { margin: 12px 6%; width: calc(100% - 12%); text-align: center; border-bottom: none !important; }
  .hamburger { display: flex; }
  .sec { padding: 64px 6%; }
  .num-band { grid-template-columns: 1fr 1fr; padding: 40px 6%; }
  .grid-3 { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .form-row2 { grid-template-columns: 1fr; }
}
@media(prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }