* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', Arial, sans-serif; color: #222; background: #fff; line-height: 1.6; }
a { transition: .3s ease; }

.hero { position: relative; min-height: 680px; background: url('../images/hero.jpg') center/cover no-repeat; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,25,.78), rgba(5,15,25,.35), rgba(5,15,25,.15)); }
.logo { position: absolute; top: 28px; left: 50px; z-index: 2; }
.logo img { width: 170px; max-width: 38vw; height: auto; }
.navbar { position: absolute; top: 30px; right: 50px; z-index: 3; display: flex; gap: 28px; }
.navbar a { color: #fff; text-decoration: none; font-size: 14px; font-weight: 600; text-shadow: 0 1px 4px rgba(0,0,0,.5); }
.navbar a:hover { color: #4fc3f7; }
.hero-content { position: relative; z-index: 2; width: min(1100px, 90%); margin-top: 90px; color: #fff; text-align: left; }
.hero-content h1 { font-size: clamp(42px, 6vw, 76px); line-height: 1.05; max-width: 850px; font-weight: 700; letter-spacing: -2px; }
.hero-content p { margin-top: 22px; font-size: clamp(17px, 2vw, 24px); letter-spacing: 1px; }

.section { padding: 90px 60px; text-align: center; opacity: 0; transform: translateY(40px); transition: opacity .7s ease, transform .7s ease; scroll-margin-top: 20px; }
.section.visible { opacity: 1; transform: translateY(0); }
.section.gray { background: #f4f7f9; }
.section-inner { width: min(1180px, 100%); margin: auto; }
.section h2 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 18px; color: #17232d; }
.section-inner > p:not(.section-intro) { max-width: 850px; margin: 0 auto 28px; font-size: 17px; color: #52616b; }
.section-intro { max-width: 800px; margin: 0 auto 42px; color: #60717c; font-size: 16px; }
.section-button, .cta-button { display: inline-block; text-decoration: none; background: #0077b6; color: #fff; padding: 13px 25px; border-radius: 5px; font-weight: 600; }
.section-button:hover, .cta-button:hover { background: #005f91; transform: translateY(-2px); }

.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; text-align: left; }
.card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 8px 25px rgba(20,50,70,.09); transition: transform .3s ease, box-shadow .3s ease; }
.card:hover { transform: translateY(-6px); box-shadow: 0 14px 35px rgba(20,50,70,.15); }
.card img { width: 100%; height: 210px; object-fit: cover; display: block; }
.card-content { padding: 24px; }
.card h3 { color: #17232d; margin-bottom: 9px; font-size: 20px; }
.card p { color: #62717a; font-size: 14px; }

.service-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; text-align: left; }
.service-item { padding: 28px; border: 1px solid #e2e9ed; border-radius: 10px; background: #fff; transition: transform .3s ease, box-shadow .3s ease; }
.service-item:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(20,50,70,.10); }
.service-icon { width: 68px; height: 68px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: #eef6fa; color: #0077b6; font-size: 32px; transition: background .3s ease, color .3s ease, transform .3s ease; }
.service-item:hover .service-icon { background: #0077b6; color: #fff; transform: scale(1.05); }
.service-content { text-align: center; }
.service-content h3 { font-size: 19px; color: #17232d; margin-bottom: 8px; }
.service-content p { font-size: 14px; color: #63727c; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; text-align: left; }
.project-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 8px 25px rgba(20,50,70,.09); transition: transform .3s ease, box-shadow .3s ease; }
.project-card:hover { transform: translateY(-6px); box-shadow: 0 14px 35px rgba(20,50,70,.15); }
.project-card img { width: 100%; height: 220px; object-fit: cover; display: block; }
.project-content { padding: 21px; }
.project-content h3 { color: #17232d; font-size: 18px; margin-bottom: 5px; }
.project-content p { color: #63727c; font-size: 13px; }
.project-button { margin-top: 38px; }

.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.industry-item { padding: 22px 15px; border: 1px solid #dce5ea; border-radius: 8px; font-weight: 600; color: #344650; background: #fff; transition: .3s ease; }
.industry-item:hover { border-color: #0077b6; color: #0077b6; transform: translateY(-3px); }

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; text-align: center; }
.why-item { padding: 10px 5px; }
.why-item h3 { color: #17232d; font-size: 18px; margin-bottom: 10px; }
.why-item p { color: #63727c; font-size: 14px; }

.cta-section { padding: 85px 60px; text-align: center; background: linear-gradient(120deg, #083b5c, #0077b6); color: #fff; opacity: 0; transform: translateY(40px); transition: opacity .7s ease, transform .7s ease; }
.cta-section.visible { opacity: 1; transform: translateY(0); }
.cta-section h2 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 12px; }
.cta-section p { margin-bottom: 28px; font-size: 17px; }
.cta-button { background: #fff; color: #006899; }
.cta-button:hover { background: #eef8fc; color: #00527a; }

.contact-simple { display: flex; justify-content: center; align-items: flex-start; gap: 70px; margin-top: 35px; text-align: left; flex-wrap: wrap; }
.contact-item { min-width: 190px; display: flex; flex-direction: column; gap: 4px; font-size: 16px; line-height: 1.7; }
.contact-item strong { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: #0077b6; margin-bottom: 4px; }
.contact-item a { color: #333; text-decoration: none; }
.contact-item a:hover { color: #0077b6; }
.contact-item span { color: #333; }

.wa-button { position: fixed; right: 24px; bottom: 24px; z-index: 20; display: flex; align-items: center; gap: 9px; padding: 12px 17px; border-radius: 30px; background: #25d366; color: #fff; text-decoration: none; font-weight: 700; box-shadow: 0 6px 20px rgba(0,0,0,.22); }
.wa-button i { font-size: 21px; }
.wa-button:hover { transform: translateY(-3px); box-shadow: 0 9px 24px rgba(0,0,0,.28); }
footer { padding: 25px; text-align: center; background: #111b22; color: #b9c5cb; font-size: 13px; }

@media (max-width: 1000px) {
  .solutions-grid, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .navbar { gap: 17px; right: 30px; }
  .logo { left: 30px; }
}

@media (max-width: 768px) {
  .hero { min-height: 620px; }
  .logo { top: 20px; left: 22px; }
  .logo img { width: 135px; }
  .navbar { top: 85px; left: 20px; right: 20px; justify-content: center; flex-wrap: wrap; gap: 12px 18px; }
  .navbar a { font-size: 12px; }
  .hero-content { margin-top: 80px; text-align: center; }
  .hero-content h1 { letter-spacing: -1px; }
  .section, .cta-section { padding: 65px 22px; }
  .solutions-grid, .service-list, .project-grid, .why-grid, .industry-grid { grid-template-columns: 1fr; }
  .contact-simple { flex-direction: column; gap: 25px; align-items: center; text-align: center; }
  .contact-item { align-items: center; }
  .wa-button { right: 16px; bottom: 16px; padding: 11px 15px; }
}


/* ===================== SOLUTION NAVIGATION ===================== */
.card-link { display: block; color: inherit; text-decoration: none; border-radius: 10px; }
.card-link:focus-visible { outline: 3px solid rgba(0,119,182,.35); outline-offset: 4px; }
.card-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 17px; color: #0077b6; font-size: 13px; font-weight: 700; }
.card-more i { font-size: 11px; transition: transform .3s ease; }
.card-link:hover .card-more i { transform: translateX(4px); }
.card-link:hover .card img { transform: scale(1.035); }
.card img { transition: transform .45s ease; }
.solution-button { margin-top: 38px; }

/* ===================== INNER PAGES ===================== */
.inner-hero { position: relative; min-height: 390px; background: linear-gradient(90deg, rgba(5,15,25,.86), rgba(5,15,25,.48)), url('../images/hero.jpg') center/cover no-repeat; display: flex; align-items: flex-end; padding: 0 60px 70px; color: #fff; }
.inner-hero-content { width: min(1180px, 100%); margin: 0 auto; position: relative; z-index: 2; }
.breadcrumb { margin-bottom: 20px; font-size: 13px; color: rgba(255,255,255,.78); }
.breadcrumb a { color: #fff; text-decoration: none; }
.breadcrumb a:hover { color: #4fc3f7; }
.inner-hero h1 { max-width: 900px; font-size: clamp(36px, 5vw, 62px); line-height: 1.08; letter-spacing: -1.5px; }
.inner-hero p { max-width: 760px; margin-top: 16px; font-size: 18px; color: rgba(255,255,255,.88); }
.inner-content { padding: 80px 60px; }
.inner-content-inner { width: min(1180px, 100%); margin: auto; }
.detail-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 55px; align-items: start; }
.detail-main h2 { font-size: 32px; color: #17232d; margin-bottom: 18px; }
.detail-main p { color: #52616b; margin-bottom: 18px; font-size: 16px; }
.detail-list { margin: 25px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2,1fr); gap: 13px 25px; }
.detail-list li { position: relative; padding-left: 23px; color: #3f505a; font-size: 15px; }
.detail-list li::before { content: '\f058'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: 0; top: 3px; color: #0077b6; }
.detail-panel { background: #f4f7f9; border: 1px solid #e0e8ed; border-radius: 10px; padding: 30px; }
.detail-panel h3 { color: #17232d; margin-bottom: 15px; font-size: 20px; }
.detail-panel ul { list-style: none; padding: 0; }
.detail-panel li { padding: 9px 0; border-bottom: 1px solid #dce5ea; color: #52616b; font-size: 14px; }
.detail-panel li:last-child { border-bottom: 0; }
.solution-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 25px; margin-top: 45px; }
.solution-mini { display: block; background: #fff; border: 1px solid #e1e8ec; border-radius: 10px; padding: 26px; text-decoration: none; color: inherit; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.solution-mini:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(20,50,70,.10); border-color: #b9d8e7; }
.solution-mini i { color: #0077b6; font-size: 25px; margin-bottom: 15px; }
.solution-mini h3 { color: #17232d; font-size: 18px; margin-bottom: 7px; }
.solution-mini p { color: #63727c; font-size: 13px; }
.inner-footer-cta { background: #f4f7f9; text-align: center; padding: 65px 30px; }
.inner-footer-cta h2 { color: #17232d; margin-bottom: 10px; font-size: 30px; }
.inner-footer-cta p { color: #60717c; margin-bottom: 25px; }
.inner-navbar { top: 30px; }
@media (max-width: 900px) {
  .detail-grid { grid-template-columns: 1fr; gap: 35px; }
  .solution-cards { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .inner-hero { min-height: 430px; padding: 0 22px 55px; }
  .inner-content { padding: 60px 22px; }
  .detail-list, .solution-cards { grid-template-columns: 1fr; }
}

/* ===================== SERVICES PAGE ===================== */
.service-button { margin-top: 38px; }