/* ═══════════════════════════════════════════════════════════════
   TiNAAK Integrated Services — Shared Brand System
   Version 2.0 | Gurugram, India
═══════════════════════════════════════════════════════════════ */

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

:root {
  --navy:       #0F2747;
  --navy-mid:   #163560;
  --navy-deep:  #070f1c;
  --teal:       #0FA3A3;
  --teal-light: #12BFBF;
  --steel:      #5A6572;
  --ice:        #F4F6F9;
  --white:      #ffffff;
  --text:       #1a2b40;
  --border:     rgba(15,39,71,0.12);
  --border-light: rgba(255,255,255,0.07);
}

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

body {
  font-family: 'Lato', sans-serif;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.15;
}
p { line-height: 1.85; }
a { text-decoration: none; }

.section-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--teal);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px; line-height: 1;
}
.section-eyebrow::before {
  content: ''; width: 24px; height: 1.5px;
  background: var(--teal); flex-shrink: 0;
}
.section-title {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 800; color: var(--navy);
  line-height: 1.1; margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: 15.5px; color: var(--steel);
  line-height: 1.9; max-width: 540px;
  margin-bottom: 48px;
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--navy); color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 14px 28px; border-radius: 2px;
  transition: background 0.2s, transform 0.15s;
  border: none; cursor: pointer; text-align: center;
}
.btn-primary:hover { background: var(--teal); transform: translateY(-1px); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 13px 28px; border-radius: 2px;
  border: 1.5px solid var(--navy);
  transition: background 0.2s, color 0.2s, transform 0.15s;
  cursor: pointer; text-align: center;
}
.btn-outline:hover {
  background: var(--navy); color: var(--white);
  transform: translateY(-1px);
}
.btn-teal {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--teal); color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 14px 28px; border-radius: 2px;
  transition: background 0.2s, transform 0.15s;
  border: none; cursor: pointer; text-align: center;
}
.btn-teal:hover { background: var(--teal-light); transform: translateY(-1px); }

/* ── NAVIGATION ──────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 80px;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid rgba(15,39,71,0.07);
  backdrop-filter: blur(10px);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 2px 24px rgba(15,39,71,0.1); }
nav.nav-dark {
  background: rgba(15,39,71,0.97);
  border-bottom-color: rgba(255,255,255,0.05);
}

.nav-logo { display: flex; align-items: center; }
.nav-logo svg, .nav-logo img { height: 52px; width: auto; display: block; }

.nav-links {
  display: flex; align-items: center;
  gap: 32px; list-style: none;
}
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--navy); position: relative;
  transition: color 0.2s; padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1.5px; background: var(--teal);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--teal); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-dark .nav-links a { color: rgba(255,255,255,0.8); }
.nav-dark .nav-links a:hover { color: var(--teal); }

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: 2px;
  font-size: 10px !important;
  letter-spacing: 0.12em !important;
  transition: background 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--teal) !important; color: var(--white) !important; }
.nav-dark .nav-cta { background: var(--teal) !important; }
.nav-dark .nav-cta:hover { background: var(--teal-light) !important; }

.hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 4px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--navy); transition: 0.3s;
}
.nav-dark .hamburger span { background: white; }

/* ── PAGE HERO (shared) ──────────────────────────────────────── */
.page-hero {
  background: var(--navy);
  padding: 140px 5% 80px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 40%; height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(15,163,163,0.06) 100%);
}
.page-hero-inner { max-width: 680px; position: relative; }
.page-hero .section-eyebrow { color: var(--teal); }
.page-hero .section-eyebrow::before { background: var(--teal); }
.page-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800; color: var(--white);
  line-height: 1.1; margin-bottom: 20px;
}
.page-hero h1 span { color: var(--teal); }
.page-hero p {
  font-size: 17px; color: rgba(255,255,255,0.65);
  line-height: 1.9; max-width: 540px;
}

/* ── FOOTER ──────────────────────────────────────────────────── */
footer {
  background: var(--navy-deep);
  padding: 72px 5% 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border-light);
}
.footer-brand svg, .footer-brand img {
  height: 52px; width: auto; margin-bottom: 20px; display: block;
}
.footer-brand p {
  font-size: 13px; color: rgba(255,255,255,0.5);
  line-height: 1.85; max-width: 260px;
}
.footer-brand .footer-socials {
  display: flex; gap: 12px; margin-top: 24px;
}
.footer-socials a {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.55); font-size: 12px;
  transition: border-color 0.2s, color 0.2s;
}
.footer-socials a:hover { border-color: var(--teal); color: var(--teal); }

.footer-col-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 13px; color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--teal); }
.footer-col ul li a.footer-highlight {
  color: rgba(15,163,163,0.7);
}
.footer-col ul li a.footer-highlight:hover { color: var(--teal); }

.footer-bottom {
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-bottom p {
  font-size: 11px; color: rgba(255,255,255,0.35);
  letter-spacing: 0.02em;
}
.footer-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.25);
}

/* ── SCROLL REVEAL ───────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── FORMS ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--navy); margin-bottom: 10px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid rgba(15,39,71,0.18);
  background: var(--white);
  font-family: 'Lato', sans-serif;
  font-size: 15px; color: var(--text);
  border-radius: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15,163,163,0.08);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-group.dark label { color: rgba(255,255,255,0.6); }
.form-group.dark input,
.form-group.dark select,
.form-group.dark textarea {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  color: var(--white);
}
.form-group.dark input::placeholder,
.form-group.dark textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group.dark input:focus,
.form-group.dark select:focus,
.form-group.dark textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15,163,163,0.12);
}
.form-group.dark select option { background: var(--navy); }

.checkbox-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px; margin-top: 6px;
}
/* Custom checkbox — fully visible cross-browser */
.checkbox-item {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 16px; min-height: 52px;
  background: var(--white);
  border: 1.5px solid rgba(15,39,71,0.15);
  cursor: pointer; transition: border-color 0.2s, background 0.15s;
  user-select: none;
}
.checkbox-item:hover {
  border-color: var(--teal);
  background: rgba(15,163,163,0.04);
}
/* Hide native checkbox, replace with custom box */
.checkbox-item input[type="checkbox"] {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.checkbox-item .cb-box {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 2px solid rgba(15,39,71,0.25);
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.15s, background 0.15s;
  border-radius: 2px;
}
.checkbox-item input[type="checkbox"]:checked + .cb-box {
  background: var(--teal); border-color: var(--teal);
}
.checkbox-item input[type="checkbox"]:checked + .cb-box::after {
  content: '';
  width: 5px; height: 9px;
  border: 2px solid var(--white); border-top: none; border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
  display: block;
}
.checkbox-item span {
  font-size: 13.5px; color: var(--text); line-height: 1.4;
  font-family: 'Lato', sans-serif;
}
/* Checked state — label highlight */
.checkbox-item:has(input:checked) {
  border-color: var(--teal);
  background: rgba(15,163,163,0.04);
}
.checkbox-item:has(input:checked) span { color: var(--navy); }

.checkbox-item.dark-cb {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
}
.checkbox-item.dark-cb .cb-box {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
}
.checkbox-item.dark-cb span { color: rgba(255,255,255,0.6); }
.checkbox-item.dark-cb:hover { border-color: var(--teal); background: rgba(15,163,163,0.1); }

.upload-area {
  border: 1.5px dashed var(--border);
  padding: 28px; text-align: center;
  cursor: pointer; transition: border-color 0.2s, background 0.2s;
  background: var(--ice);
}
.upload-area:hover { border-color: var(--teal); background: rgba(15,163,163,0.03); }
.upload-area p {
  font-size: 14px; color: var(--text); line-height: 1.6;
}
.upload-area strong { color: var(--teal); }
.upload-area.dark-upload {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.1);
}
.upload-area.dark-upload p { color: rgba(255,255,255,0.35); }

.form-note {
  font-size: 12.5px; color: var(--text);
  line-height: 1.7; margin-top: 8px; opacity: 0.6;
}
.form-note.dark-note { color: rgba(255,255,255,0.3); }

.success-box {
  display: none;
  background: rgba(15,163,163,0.08);
  border: 1px solid rgba(15,163,163,0.25);
  padding: 32px; text-align: center;
}
.success-box h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px; font-weight: 700;
  color: var(--teal); margin-bottom: 10px;
}
.success-box p { font-size: 14px; color: var(--steel); }

/* ── UTILITY ─────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
section { padding: 100px 5%; }
.bg-ice { background: var(--ice); }
.bg-navy { background: var(--navy); }
.bg-deep { background: var(--navy-deep); }
.text-teal { color: var(--teal); }
.text-white { color: var(--white); }

/* tag/badge */
.tag {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 9px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 5px 11px;
  background: rgba(15,163,163,0.08);
  color: var(--teal);
  border: 1px solid rgba(15,163,163,0.22);
}
.tag-navy {
  background: rgba(15,39,71,0.07);
  color: var(--navy);
  border-color: rgba(15,39,71,0.12);
}
.tag-soon {
  background: rgba(110,122,134,0.1);
  color: var(--steel);
  border-color: rgba(110,122,134,0.2);
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 900px) {
  section { padding: 72px 5%; }
  .nav-links { display: none; flex-direction: column; }
  .nav-links.open {
    display: flex;
    position: fixed; top: 80px; left: 0; right: 0;
    background: var(--white);
    padding: 20px 5% 28px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(15,39,71,0.1);
    gap: 0;
  }
  .nav-links.open li { border-bottom: 1px solid var(--border); }
  .nav-links.open a { display: block; padding: 14px 0; }
  .nav-links.open .nav-cta { margin-top: 12px; text-align: center; }
  .hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  section { padding: 56px 5%; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .checkbox-grid { grid-template-columns: 1fr; }
}