/* ═══════════════════════════════════════════
   TITAN SOLID — Global Styles
   ═══════════════════════════════════════════ */

:root {
  --navy: #152D55;
  --navy-light: #1E3F73;
  --navy-dark: #0E1F3D;
  --blue: #2563EB;
  --orange: #D67A2E;
  --orange-light: #E8943F;
  --green: #4AAF57;
  --green-dark: #358C40;
  --slate: #64748B;
  --light: #F1F5F9;
  --lighter: #F8FAFC;
  --white: #FFFFFF;
  --text: #1E293B;
  --text-light: #94A3B8;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.15);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.2);
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(21,45,85,.06);
  transition: all .4s ease;
}
.nav.scrolled {
  background: rgba(255,255,255,.98);
  box-shadow: var(--shadow-md);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 40px;
}
.nav-logo img { height: 52px; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
  text-decoration: none; color: var(--navy);
  font-weight: 600; font-size: .875rem;
  padding: 8px 16px; border-radius: 8px;
  transition: all .25s ease;
  letter-spacing: .02em;
}
.nav-links a:hover { background: var(--light); color: var(--blue); }
.nav-links a.cta-btn {
  background: var(--navy); color: var(--white);
  margin-left: 8px;
}
.nav-links a.cta-btn:hover { background: var(--navy-light); }
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.burger span { width: 24px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: all .3s ease; }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--navy-light) 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 70% 40%, rgba(38,99,235,.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(74,175,87,.08) 0%, transparent 50%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: .06;
  background-image:
    linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto;
  padding: 140px 40px 100px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero-text { color: var(--white); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  border-radius: 100px; padding: 8px 20px;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--orange-light);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.hero-badge::before {
  content: ''; width: 8px; height: 8px;
  background: var(--green); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900; font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1.1; margin-bottom: 24px;
  letter-spacing: -.02em;
}
.hero h1 .accent { color: var(--orange-light); }
.hero p {
  font-size: 1.15rem; line-height: 1.8;
  color: rgba(255,255,255,.7);
  max-width: 520px; margin-bottom: 40px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 32px;
  font-family: inherit; font-weight: 700; font-size: .95rem;
  border: none; border-radius: 10px; cursor: pointer;
  text-decoration: none; transition: all .3s ease;
  letter-spacing: .01em;
}
.btn-primary {
  background: var(--orange); color: var(--white);
  box-shadow: 0 4px 20px rgba(214,122,46,.35);
}
.btn-primary:hover {
  background: var(--orange-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(214,122,46,.4);
}
.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,.25);
}
.btn-outline:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.5);
}
.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.hero-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.stat-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 32px 28px;
  text-align: center; color: var(--white);
  backdrop-filter: blur(10px);
  transition: all .3s ease;
}
.stat-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
}
.stat-card .number {
  font-size: 2.8rem; font-weight: 900;
  line-height: 1; margin-bottom: 8px;
  background: linear-gradient(135deg, var(--orange-light), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-card .label {
  font-size: .82rem; font-weight: 500;
  color: rgba(255,255,255,.55);
  letter-spacing: .04em; text-transform: uppercase;
}

/* ── SECTIONS ── */
section { padding: 120px 40px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--orange); margin-bottom: 16px;
}
.section-tag::before {
  content: ''; width: 32px; height: 2px; background: var(--orange);
}
.section-title {
  font-weight: 800; font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--navy); line-height: 1.15;
  margin-bottom: 20px; letter-spacing: -.01em;
}
.section-sub {
  font-size: 1.05rem; color: var(--slate);
  max-width: 600px; line-height: 1.8;
}

/* ── ABOUT ── */
.about { background: var(--white); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center; margin-top: 60px;
}
.about-image {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: var(--light);
}
.about-image-inner {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-light));
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.about-image-inner::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,.03) 20px, rgba(255,255,255,.03) 40px);
}
.about-image-icon { font-size: 6rem; opacity: .15; position: relative; z-index: 1; }
.about-features { display: flex; flex-direction: column; gap: 28px; margin-top: 36px; }
.about-feature { display: flex; gap: 20px; align-items: flex-start; }
.about-feature-icon {
  flex-shrink: 0; width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem; font-weight: 800;
}
.about-feature h4 { font-weight: 700; font-size: 1rem; color: var(--navy); margin-bottom: 4px; }
.about-feature p { font-size: .9rem; color: var(--slate); line-height: 1.7; }

/* ── SERVICES ── */
.services { background: var(--lighter); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; margin-top: 60px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid rgba(21,45,85,.06);
  transition: all .4s ease;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: linear-gradient(90deg, var(--navy), var(--blue));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 14px; margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.service-card h3 { font-weight: 700; font-size: 1.15rem; color: var(--navy); margin-bottom: 12px; }
.service-card p { font-size: .9rem; color: var(--slate); line-height: 1.75; }

/* ── PROJECT CARDS (used on both pages) ── */
.projects { background: var(--white); }
.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; margin-top: 60px;
}
.project-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(21,45,85,.06);
  transition: all .4s ease;
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-thumb { aspect-ratio: 16/10; position: relative; overflow: hidden; }
.project-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.project-card:hover .project-thumb img { transform: scale(1.05); }
.project-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: rgba(255,255,255,.2);
  transition: transform .6s ease;
}
.project-card:hover .project-thumb-placeholder { transform: scale(1.05); }
.project-thumb-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(14,31,61,.7) 0%, transparent 60%);
  pointer-events: none;
}
.project-info { padding: 24px; }
.project-type {
  font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--orange); margin-bottom: 8px;
}
.project-info h3 { font-weight: 700; font-size: 1.05rem; color: var(--navy); margin-bottom: 8px; }
.project-info p { font-size: .85rem; color: var(--slate); line-height: 1.7; }

/* Project color themes */
.pt-stadium .project-thumb-placeholder { background: linear-gradient(135deg, #1B5E20, #388E3C); }
.pt-track .project-thumb-placeholder   { background: linear-gradient(135deg, var(--navy-dark), #1565C0); }
.pt-hall .project-thumb-placeholder     { background: linear-gradient(135deg, #B71C1C, #E53935); }
.pt-base .project-thumb-placeholder     { background: linear-gradient(135deg, #E65100, #FF8F00); }
.pt-tennis .project-thumb-placeholder   { background: linear-gradient(135deg, #4A148C, #7B1FA2); }
.pt-other .project-thumb-placeholder    { background: linear-gradient(135deg, #004D40, #00897B); }

/* ── CONTACT ── */
.contact { background: var(--lighter); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; margin-top: 60px;
}
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px; border: 1px solid rgba(21,45,85,.06);
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-weight: 600; font-size: .85rem; color: var(--navy); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 18px;
  border: 2px solid rgba(21,45,85,.1);
  border-radius: 10px; font-family: inherit;
  font-size: .95rem; color: var(--text);
  transition: all .3s ease; background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37,99,235,.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.btn-submit {
  width: 100%; background: var(--navy); color: var(--white);
  padding: 16px; font-size: 1rem; font-weight: 700;
  border: none; border-radius: 10px; cursor: pointer;
  transition: all .3s ease;
}
.btn-submit:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-block h4 {
  font-weight: 700; font-size: .9rem; color: var(--navy);
  margin-bottom: 12px; text-transform: uppercase; letter-spacing: .06em;
}
.contact-block p { font-size: .95rem; color: var(--slate); line-height: 1.8; }
.contact-block a { color: var(--blue); text-decoration: none; font-weight: 500; }
.contact-block a:hover { text-decoration: underline; }
.contact-map {
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 16/9; background: var(--light);
  border: 1px solid rgba(21,45,85,.06);
}

/* ── FOOTER ── */
.footer {
  background: var(--navy-dark); color: var(--white);
  padding: 60px 40px 30px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand img { height: 44px; margin-bottom: 16px; filter: brightness(1.4); }
.footer-brand p { font-size: .85rem; color: rgba(255,255,255,.5); line-height: 1.7; max-width: 280px; }
.footer h5 {
  font-weight: 700; font-size: .82rem; text-transform: uppercase;
  letter-spacing: .1em; color: rgba(255,255,255,.4); margin-bottom: 20px;
}
.footer a {
  display: block; color: rgba(255,255,255,.65);
  text-decoration: none; font-size: .9rem;
  padding: 4px 0; transition: color .2s;
}
.footer a:hover { color: var(--orange-light); }
.footer-bottom {
  max-width: 1200px; margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; align-items: center;
  font-size: .8rem; color: rgba(255,255,255,.35);
}

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: all .7s cubic-bezier(.22,.61,.36,1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── SUBPAGE HERO (smaller) ── */
.subpage-hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-light));
  padding: 140px 40px 80px;
  text-align: center; color: var(--white);
}
.subpage-hero h1 {
  font-weight: 900; font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px; letter-spacing: -.02em;
}
.subpage-hero p {
  font-size: 1.1rem; color: rgba(255,255,255,.65);
  max-width: 600px; margin: 0 auto;
}

/* ── CERTIFICATIONS ── */
.certifications { background: var(--lighter); }
.cert-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px; margin-top: 60px;
}
.cert-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid rgba(21,45,85,.06);
  text-align: center;
  transition: all .3s ease;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cert-icon {
  width: 64px; height: 64px; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: white;
}
.cert-card h3 { font-weight: 700; font-size: 1.05rem; color: var(--navy); margin-bottom: 8px; }
.cert-card p { font-size: .85rem; color: var(--slate); line-height: 1.7; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-card .number { font-size: 2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 80px 24px; }
  .nav-inner { padding: 12px 24px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); padding: 20px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(21,45,85,.06);
  }
  .burger { display: flex; }
  .hero-content { padding: 120px 24px 80px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .services-grid, .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .subpage-hero { padding: 120px 24px 60px; }
}