/* ===================================================
   XYZ PARTNERS — MAIN STYLESHEET
   =================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #080808;
  --dark:       #0f0f0f;
  --dark-2:     #141414;
  --dark-3:     #1a1a1a;
  --dark-4:     #222222;
  --dark-5:     #2a2a2a;
  --border:     rgba(255,255,255,0.07);
  --border-md:  rgba(255,255,255,0.13);
  --gray-dk:    #333;
  --gray:       #555;
  --gray-lt:    #888;
  --silver:     #aaa;
  --light:      #ccc;
  --white:      #efefef;
  --pure:       #ffffff;
  --accent:     #c8c8c8;

  --ff-display: 'Oswald', sans-serif;
  --ff-body:    'IBM Plex Sans', sans-serif;
  --ff-label:   'Rajdhani', sans-serif;

  --nav-h:  72px;
  --max-w:  1200px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--ff-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* ── CONTAINERS ─────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── TYPOGRAPHY HELPERS ─────────────────────────── */
.section-label {
  font-family: var(--ff-label);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--silver);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background: var(--silver);
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.05;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── BUTTONS ────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--white);
  color: var(--black);
  font-family: var(--ff-label);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--white);
  font-family: var(--ff-label);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: 1px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }

/* ── NAV ────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  background: rgba(8,8,8,0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.nav-logo img { height: 46px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-family: var(--ff-label);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-lt);
  position: relative;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--white);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  color: var(--black) !important;
  background: var(--white);
  padding: 0.5rem 1.4rem;
  letter-spacing: 0.12em;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent); }
.nav-cta::after { display: none !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--dark-2);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  z-index: 999;
  flex-direction: column;
  gap: 0;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--ff-label);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-lt);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--white); }

/* ── HERO: HOME ─────────────────────────────────── */
.home-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 3rem 5rem;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-line-v {
  position: absolute; top: 0;
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.12), transparent);
}
.hero-line-v:nth-child(2) { left: 22%; }
.hero-line-v:nth-child(3) { left: 58%; opacity: 0.5; }
.hero-line-v:nth-child(4) { right: 12%; opacity: 0.3; }

.home-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1050px;
}
.hero-overline {
  font-family: var(--ff-label);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-overline::before {
  content: '';
  display: block;
  width: 48px; height: 1px;
  background: var(--silver);
}
.hero-headline {
  font-family: var(--ff-display);
  font-size: clamp(3.8rem, 9vw, 8rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.93;
  letter-spacing: 0.01em;
  color: var(--white);
  margin-bottom: 2rem;
}
.hero-headline em {
  display: block;
  font-family: var(--ff-body);
  font-style: italic;
  font-weight: 300;
  font-size: 0.22em;
  letter-spacing: 0.15em;
  color: var(--silver);
  line-height: 3.5;
  text-transform: uppercase;
}
.hero-desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--silver);
  max-width: 520px;
  line-height: 1.85;
  margin-bottom: 3rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── HERO: INNER PAGES ──────────────────────────── */
.page-hero {
  padding: 9rem 3rem 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--dark-2);
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 80px 80px;
}
.page-hero-inner {
  position: relative; z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
}
.page-hero-title {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 0.93;
  color: var(--white);
}
.page-hero-sub {
  margin-top: 1.5rem;
  font-size: 1.05rem;
  color: var(--silver);
  max-width: 560px;
  font-weight: 300;
  line-height: 1.8;
}

/* ── SECTIONS ───────────────────────────────────── */
.section         { padding: 6rem 2rem; }
.section-dark    { background: var(--dark-2); }
.section-bt      { border-top: 1px solid var(--border); }

/* ── SERVICE OVERVIEW CARDS (Home) ──────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 3rem;
}
.service-card {
  background: var(--dark-2);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--silver), transparent);
  transform: scaleX(0);
  transition: transform 0.35s;
}
.service-card:hover { background: var(--dark-3); }
.service-card:hover::before { transform: scaleX(1); }

.service-card-num {
  font-family: var(--ff-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--dark-5);
  line-height: 1;
  margin-bottom: 1rem;
}
.service-card-title {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.service-card-desc {
  font-size: 0.875rem;
  color: var(--silver);
  line-height: 1.75;
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-family: var(--ff-label);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-lt);
  transition: color 0.2s, gap 0.2s;
}
.service-card-link:hover { color: var(--white); gap: 0.75rem; }

/* ── INDUSTRIES GRID ────────────────────────────── */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 3rem;
}
.industry-card {
  background: var(--dark-2);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.2s;
}
.industry-card:hover { background: var(--dark-3); }
.industry-icon { font-size: 1.4rem; opacity: 0.65; }
.industry-name {
  font-family: var(--ff-display);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  line-height: 1.3;
}

/* ── WHY US ─────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.why-item {
  border-left: 2px solid var(--dark-5);
  padding-left: 1.5rem;
  transition: border-color 0.25s;
}
.why-item:hover { border-color: var(--silver); }
.why-num {
  font-family: var(--ff-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gray);
  margin-bottom: 0.5rem;
}
.why-title {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.why-desc {
  font-size: 0.875rem;
  color: var(--silver);
  line-height: 1.75;
}

/* ── CTA BANNER ─────────────────────────────────── */
.cta-banner {
  padding: 6rem 2rem;
  background: var(--dark-3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--ff-display);
  font-size: clamp(8rem, 18vw, 18rem);
  font-weight: 700;
  color: rgba(255,255,255,0.018);
  white-space: nowrap;
  pointer-events: none;
  line-height: 1;
}
.cta-banner-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 1rem;
  position: relative;
}
.cta-banner-sub {
  font-size: 1rem;
  color: var(--silver);
  margin-bottom: 2.5rem;
  max-width: 480px;
  margin-left: auto; margin-right: auto;
  position: relative;
}

/* ── SERVICES DETAIL PAGE ───────────────────────── */
.service-block {
  border-bottom: 1px solid var(--border);
  background: var(--black);
}
.service-block:nth-child(even) { background: var(--dark-2); }

.service-block-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}
.service-block-left {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.service-block-num {
  font-family: var(--ff-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gray);
  margin-bottom: 0.75rem;
}
.service-block-title {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--white);
  line-height: 1.1;
}
.service-block-tag {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--ff-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--silver);
  padding: 0.25rem 0.6rem;
}
.service-block-desc {
  font-size: 0.975rem;
  color: var(--silver);
  line-height: 1.85;
  margin-bottom: 2rem;
}
.service-bullets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.service-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  background: var(--dark-3);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--light);
  line-height: 1.5;
  transition: border-color 0.2s, background 0.2s;
}
.service-bullet:hover { border-color: var(--border-md); background: var(--dark-4); }
.service-bullet::before {
  content: '—';
  color: var(--gray);
  flex-shrink: 0;
}

/* ── INDUSTRIES DETAIL PAGE ─────────────────────── */
.industries-list { max-width: var(--max-w); margin: 0 auto; }

.industry-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
  padding: 4rem 2rem;
  border-bottom: 1px solid var(--border);
}
.industry-block:nth-child(even) { background: var(--dark-2); }

.industry-block-left { }
.industry-block-icon { font-size: 2.5rem; opacity: 0.6; margin-bottom: 1rem; }
.industry-block-name {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.1;
}
.industry-block-desc {
  font-size: 0.975rem;
  color: var(--silver);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.industry-tag {
  font-family: var(--ff-label);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
  border: 1px solid var(--border-md);
  padding: 0.3rem 0.7rem;
}

/* ── CONTACT PAGE ───────────────────────────────── */
.contact-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}
.contact-info-block {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.contact-info-title {
  font-family: var(--ff-display);
  font-size: 1.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 1rem;
}
.contact-info-desc {
  font-size: 0.95rem;
  color: var(--silver);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  border-left: 2px solid var(--dark-5);
  padding-left: 1rem;
  transition: border-color 0.2s;
}
.contact-item:hover { border-color: var(--silver); }
.contact-item-label {
  font-family: var(--ff-label);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.2rem;
}
.contact-item-value {
  font-size: 0.95rem;
  color: var(--white);
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-family: var(--ff-label);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-lt);
}
.form-input, .form-select, .form-textarea {
  background: var(--dark-3);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 300;
  padding: 0.875rem 1rem;
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--silver); }
.form-textarea { min-height: 140px; resize: vertical; }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1.1rem;
  background: var(--white);
  color: var(--black);
  font-family: var(--ff-label);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.form-submit:hover { background: var(--accent); }

/* ── FOOTER ─────────────────────────────────────── */
footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  padding: 3.5rem 2rem 2rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand img { height: 50px; margin-bottom: 1rem; }
.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--gray-lt);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col-title {
  font-family: var(--ff-label);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-links a {
  font-size: 0.875rem;
  color: var(--gray-lt);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 1.75rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--gray);
}

/* ── FADE-IN ANIMATION ──────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid    { grid-template-columns: repeat(2, 1fr); }
  .industries-grid  { grid-template-columns: repeat(3, 1fr); }
  .why-grid         { grid-template-columns: repeat(2, 1fr); }
  .service-block-inner { grid-template-columns: 1fr; gap: 2rem; }
  .service-block-left { position: static; }
  .industry-block   { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .home-hero { padding: 0 1.5rem 4rem; }
  .page-hero { padding: 7rem 1.5rem 4rem; }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .contact-info-block { position: static; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .section { padding: 4rem 1.5rem; }
}

@media (max-width: 600px) {
  .services-grid    { grid-template-columns: 1fr; }
  .industries-grid  { grid-template-columns: 1fr 1fr; }
  .why-grid         { grid-template-columns: 1fr; }
  .hero-actions     { flex-direction: column; }
  .hero-actions a   { width: 100%; text-align: center; justify-content: center; }
}