* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "Prompt", sans-serif; font-size: 16px; color: #10233f; background: #ffffff; line-height: 1.7; overflow-x: hidden; }
body.modal-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: auto; }
.section { padding: 110px 0; }

.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; transition: 0.3s ease; }
.header.scrolled { background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(12px); box-shadow: 0 5px 30px rgba(0, 30, 70, 0.08); }
.nav-container { height: 88px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; color: #ffffff; }
.header.scrolled .logo { color: #10233f; }
.logo-mark { width: 42px; height: 42px; display: grid; place-items: center; background: #1976d2; color: white; font-size: 22px; font-weight: 700; border-radius: 8px; }
.logo span:last-child { display: flex; flex-direction: column; line-height: 1; }
.logo strong { font-size: 18px; letter-spacing: 2px; }
.logo small { margin-top: 4px; font-size: 9px; letter-spacing: 3px; opacity: 0.7; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav-link { color: white; font-size: 16px; transition: 0.25s; }
.header.scrolled .nav-link { color: #10233f; }
.nav-link:hover { color: #42a5f5; }
.nav-cta { padding: 11px 22px; border: 1px solid rgba(255,255,255,0.7); border-radius: 4px; color: white; font-size: 16px; transition: 0.25s; }
.header.scrolled .nav-cta { color: #1976d2; border-color: #1976d2; }
.nav-cta:hover { background: #1976d2; color: white; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 25px; height: 2px; background: white; margin: 5px auto; }
.header.scrolled .menu-toggle span { background: #10233f; }

.hero { min-height: 760px; position: relative; display: flex; align-items: center; overflow: hidden; background: #051832; }
.hero-slides, .hero-slide, .hero-overlay { position: absolute; inset: 0; }
.hero-slide { background-position: center; background-size: cover; background-repeat: no-repeat; opacity: 0; transform: scale(1); transition: opacity 1.2s ease; will-change: opacity, transform; }
.hero-slide.active { opacity: 1; animation: heroZoomOut 6s ease-out forwards; }

@keyframes heroZoomOut {
	from {
		transform: scale(1.050);
	}

	to {
		transform: scale(1);
	}
}

.hero-overlay { z-index: 1; background: linear-gradient(90deg, rgba(5, 24, 50, 0.94), rgba(5, 32, 70, 0.68), rgba(5, 32, 70, 0.25)); }
.hero-content { position: relative; z-index: 2; padding-top: 80px; }
.hero-text { max-width: 720px; }
.hero h1 { margin-top: 18px; color: white; font-family: "Kanit", sans-serif; font-size: clamp(42px, 6vw, 58px); font-weight: 500; line-height: 1.12; }
.hero h1 span { display: block; color: #64b5f6; font-size: clamp(42px, 6vw, 45px);}
.hero p { max-width: 620px; margin-top: 25px; color: rgba(255,255,255,0.82); font-size: 17px; }
.hero-buttons { display: flex; gap: 14px; margin-top: 35px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 27px; border-radius: 4px; font-size: 16px; font-weight: 500; transition: 0.25s ease; }
.btn-primary { background: #1976d2; color: white; }
.btn-primary:hover { background: #0d5ca8; transform: translateY(-2px); }
.btn-outline { border: 1px solid rgba(255,255,255,0.65); color: white; }
.btn-outline:hover { background: white; color: #10233f; }
.btn-dark { background: #10233f; color: white; }
.btn-dark:hover { background: #1976d2; }

.hero-stats { display: flex; gap: 50px; margin-top: 70px; }
.stat { display: flex; flex-direction: column; border-left: 2px solid #1976d2; padding-left: 15px; }
.stat strong { color: white; font-size: 18px; }
.stat span { color: rgba(255,255,255,0.65); font-size: 16px; }
.scroll-down { position: absolute; bottom: 35px; right: 5%; z-index: 2; display: flex; align-items: center; gap: 10px; color: white; font-size: 11px; letter-spacing: 2px; }

.intro { background: #f5f9fd; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: end; }
.intro h2, .section-heading h2, .solar-content h2, .about-content h2 { font-family: "Kanit", sans-serif; font-size: clamp(34px, 4vw, 44px); line-height: 1.2; font-weight: 500; color: #10233f; }
.intro h2 span, .solar-content h2 span, .about-content h2 span { display: block; color: #1976d2; }
.intro p { color: #607087; font-size: 16px; margin-bottom: 20px; }

.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; margin-bottom: 55px; }
.section-heading > p { max-width: 430px; color: #607087; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { position: relative; padding: 42px 35px; border: 1px solid #e4ebf3; background: white; transition: 0.3s; }
.service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(20, 70, 120, 0.1); }
.service-card.featured { background: #102f54; color: white; }
.service-icon { width: 55px; height: 55px; display: grid; place-items: center; border-radius: 50%; background: #e8f3fc; color: #1976d2; font-size: 25px; margin-bottom: 25px; }
.featured .service-icon { background: #1976d2; color: white; }
.service-card h3 { font-family: "Kanit", sans-serif; font-size: 27px; font-weight: 500; margin-bottom: 14px; }
.service-card p { color: #68798d; font-size: 16px; min-height: 80px; }
.featured p { color: #bdccdb; }
.service-detail-button { display: inline-flex; align-items: center; gap: 9px; margin-top: 25px; padding: 0; border: 0; background: transparent; color: #1976d2; font-family: inherit; font-size: 16px; font-weight: 500; cursor: pointer; transition: color 0.25s ease; }
.service-detail-button i { transition: transform 0.25s ease; }
.service-detail-button:hover { color: #0d5ca8; }
.service-detail-button:hover i { transform: translateX(4px); }
.featured .service-detail-button { color: #64b5f6; }
.featured .service-detail-button:hover { color: #ffffff; }
.service-detail-button:focus-visible, .service-modal-close:focus-visible { outline: 3px solid rgba(25, 118, 210, 0.35); outline-offset: 4px; }

.service-modal { position: fixed; inset: 0; z-index: 2000; display: grid; place-items: center; padding: 25px; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 0.25s ease, visibility 0.25s ease; }
.service-modal.open { opacity: 1; visibility: visible; pointer-events: auto; }
.service-modal-overlay { position: absolute; inset: 0; background: rgba(5, 20, 38, 0.72); backdrop-filter: blur(5px); }
.service-modal-dialog { position: relative; z-index: 1; width: min(720px, 100%); max-height: calc(100dvh - 50px); padding: 45px; overflow-y: auto; border-radius: 12px; background: #ffffff; box-shadow: 0 30px 80px rgba(4, 24, 48, 0.3); transform: translateY(20px) scale(0.98); transition: transform 0.25s ease; }
.service-modal.open .service-modal-dialog { transform: translateY(0) scale(1); }
.service-modal-close { position: absolute; top: 18px; right: 18px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: #eef5fb; color: #10233f; font-size: 20px; cursor: pointer; transition: 0.25s ease; }
.service-modal-close:hover { background: #1976d2; color: #ffffff; transform: rotate(90deg); }
.service-modal-image { width: 100%; height: 230px; overflow: hidden; border-radius: 9px; background: #e8f3fc; }
.service-modal-image img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
.service-modal-title { display: flex; align-items: center; gap: 15px; margin-top: 25px; }
.service-modal-icon { flex: 0 0 52px; width: 52px; height: 52px; display: grid; place-items: center; margin: 0; border: 0; border-radius: 50%; background: #e8f3fc; color: #1976d2; font-size: 21px; }
.service-modal-icon i { font-size: inherit; line-height: 1; }
.service-modal-title h2 { margin: 0; }
.service-modal h2 { font-family: "Kanit", sans-serif; color: #10233f; font-size: clamp(32px, 5vw, 44px); font-weight: 500; line-height: 1.15; }
.service-modal-intro { margin-top: 15px; color: #607087; font-size: 16px; }
.service-modal-content { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; margin-top: 30px; }
.service-modal-section { padding: 24px; border: 1px solid #e4ebf3; border-radius: 8px; background: #f8fbfe; }
.service-modal-section h3 { margin-bottom: 13px; color: #10233f; font-family: "Kanit", sans-serif; font-size: 19px; font-weight: 500; }
.service-modal-section ul { margin: 0; padding: 0; list-style: none; }
.service-modal-section li { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 10px; align-items: start; margin: 0; padding: 0; color: #607087; font-size: 16px; line-height: 1.7; }
.service-modal-section li + li { margin-top: 8px; }
.service-modal-section li::before { content: "\f058"; display: block; color: #1976d2; font-family: "Font Awesome 6 Free"; font-size: 14px; font-style: normal; font-weight: 900; line-height: 1.7; text-align: center; }
.service-modal-action { display: flex; margin-top: 30px; }

.service-modal-action .btn { width: 100%; }

.solar { background: #f5f9fd; }
.solar-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 600px; }
.solar-image { position: relative; background: linear-gradient(
			rgba(8, 35, 65, 0.1),
			rgba(8, 35, 65, 0.1)
		),
		url("../images/main-banner.webp")
		center / cover no-repeat; }
.solar-badge { position: absolute; left: 35px; bottom: 35px; padding: 20px 25px; background: white; display: flex; flex-direction: column; }
.solar-badge strong { color: #1976d2; font-size: 25px; }
.solar-badge span { color: #607087; font-size: 13px; letter-spacing: 3px; }
.solar-content { background: white; padding: 70px; }
.solar-content > p { color: #68798d; margin: 25px 0; font-size: 16px; }
.check-list { list-style: none; margin-bottom: 30px; }
.check-list li { display: flex; gap: 12px; margin: 12px 0; font-size: 16px; }
.check-list i { flex: 0 0 auto; margin-top: 5px; color: #1976d2; font-size: 16px; }

.projects { background: white; }
.projects-heading { margin-bottom: 40px; }
.project-slider { overflow: hidden; }
.project-track { display: flex; gap: 22px; transition: transform 0.5s ease; }
.project-card { flex: 0 0 calc(50% - 11px); background: #f5f9fd; }
.project-image { height: 360px; position: relative; display: flex; align-items: flex-end; padding: 25px; overflow: hidden; }
.project-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform 0.4s ease; }
.project-image::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(
		transparent 50%,
		rgba(4, 25, 50, 0.7)
	); }
.project-image span { position: relative; z-index: 2; color: white; font-size: 13px; letter-spacing: 2px; }
.project-card:hover .project-image img { transform: scale(1.04); }
.project-info { padding: 25px 28px 30px; }
.project-info h3 { margin: 4px 0 5px; font-family: "Kanit", sans-serif; font-size: 25px; font-weight: 500; }
.project-info p { color: #6c7d91; font-size: 16px; }
.slider-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 35px; }
.slider-controls button { width: 46px; height: 46px; border: 1px solid #d7e2ec; background: white; cursor: pointer; color: #10233f; font-size: 18px; transition: 0.25s; }
.slider-controls button:hover { background: #1976d2; color: white; border-color: #1976d2; }
.slider-progress { width: 120px; height: 2px; background: #dce6ef; }
.slider-progress span { display: block; width: 25%; height: 100%; background: #1976d2; transition: 0.4s; }

.about { background: #f5f9fd; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.about-content > p { color: #66788d; font-size: 16px; margin: 22px 0; }

.about-content .btn { margin-top: 10px; }

.about-features { border-top: 1px solid #d8e2ec; }
.feature { display: flex; gap: 25px; padding: 25px 0; border-bottom: 1px solid #d8e2ec; }
.feature > strong { color: #1976d2; font-size: 16px; }
.feature h3 { font-family: "Kanit", sans-serif; font-size: 21px; font-weight: 500; }
.feature p { color: #708196; font-size: 16px; }

.cta { padding: 100px 0; background: linear-gradient(
			100deg,
			#071d38,
			#124c82
		); color: white; }
.cta-inner { text-align: center; max-width: 810px; margin: auto; }
.cta h2 { font-family: "Kanit", sans-serif; font-weight: 500; font-size: clamp(38px, 5vw, 60px); line-height: 1.15; }
.cta h2 span { display: block; color: #64b5f6; }
.cta-description { max-width: 660px; margin: 20px auto 30px; color: rgba(255, 255, 255, 0.78); font-size: 16px; }
.cta-requirements { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin: 35px auto 20px; }
.cta-requirement { min-height: 125px; padding: 25px 18px; border: 1px solid rgba(255, 255, 255, 0.15); background: rgba(255, 255, 255, 0.06); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; }
.cta-requirement i { color: #64b5f6; font-size: 27px; }
.cta-requirement span { color: white; font-size: 16px; }
.cta-note { margin: 20px auto 30px; color: rgba(255, 255, 255, 0.65); font-size: 16px; }

.btn-line { background: #06c755; color: white; }
.btn-line:hover { background: #05aa49; transform: translateY(-2px); }
.btn-line i { font-size: 21px; }
.cta-buttons { display: flex; justify-content: center; gap: 12px; }

.footer { background: #06182e; color: white; padding: 75px 0 25px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 60px; padding-bottom: 60px; }

.logo-footer { margin-bottom: 20px; }

.footer-brand p { max-width: 320px; color: #8295aa; font-size: 14px; }
.footer-column { display: flex; flex-direction: column; gap: 10px; }
.footer-column h4 { margin-bottom: 10px; font-size: 14px; }
.footer-column a, .footer-column p { color: #8295aa; font-size: 14px; }
.footer-column a:hover { color: #64b5f6; }
.footer-bottom { padding-top: 25px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; color: #62758b; font-size: 12px; }
.footer-bottom.reveal-on-scroll {opacity: 1;visibility: visible;translate: none;transition: none;}

.back-to-top { position: fixed; right: 28px; bottom: 28px; z-index: 1050; width: 48px; height: 48px; display: grid; place-items: center; border: 0; border-radius: 50%; background: #1976d2; color: white; font-size: 17px; box-shadow: 0 10px 30px rgba(6, 24, 46, 0.2); opacity: 0.7; visibility: hidden; transform: translateY(15px); pointer-events: none; cursor: pointer; transition: 0.25s ease; }
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: #0d5ca8; transform: translateY(-3px); }
.back-to-top:focus-visible { outline: 3px solid rgba(25, 118, 210, 0.35); outline-offset: 4px; }
.modal-open .back-to-top { opacity: 0; visibility: hidden; pointer-events: none; }

@media (max-width: 900px) {
	/* Keep every hero image centred on tablets and phones. */
	.hero-slides, .hero-slide { width: 100%; height: 100%; }
	.hero-slide { background-position: center center !important; background-size: cover; }
	.section { padding: 80px 0; }
	.nav { position: fixed; top: 88px; left: 0; width: 100%; padding: 30px; background: #ffffff; display: flex; flex-direction: column; align-items: flex-start; gap: 20px; transform: translateY(-150%); transition: 0.35s ease; box-shadow: 0 20px 30px rgba(0,0,0,0.08); }
	.nav.open { transform: translateY(0); }
	.nav-link { color: #10233f !important; }
	.nav-cta { color: #1976d2 !important; border-color: #1976d2; }
	.menu-toggle { display: block; }
	.intro-grid, .about-grid { grid-template-columns: 1fr; gap: 50px; }
	.service-grid { grid-template-columns: 1fr; }
	.service-card p { min-height: auto; }
	.solar-grid { grid-template-columns: 1fr; }
	.solar-image { min-height: 450px; }
	.project-card { flex-basis: 70%; }
	.footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

.service-icon i { font-size: 22px; line-height: 1; }

.menu-toggle i { color: white; font-size: 24px; }
.header.scrolled .menu-toggle i { color: #10233f; }

.mobile-contact-bar { display: none; }

@media (max-width: 600px) {
	.container { width: min(100% - 30px, 1180px); }
	.nav-container { height: 75px; }
	.nav { top: 75px; }
	.hero { min-height: 700px; min-height: 100svh; }
	.hero-slide { background-position: center center !important; }
	.hero h1 { font-size: 43px; }
	.hero p { font-size: 16px; }
	.hero-buttons { flex-direction: column; align-items: stretch; }
	.hero-buttons .btn { width: 100%; }
	.hero-stats { gap: 25px; margin-top: 50px; }
	.stat strong { font-size: 16px; }
	.section-heading { flex-direction: column; align-items: flex-start; gap: 20px; }
	.intro h2, .section-heading h2, .solar-content h2, .about-content h2 { font-size: 36px; }
	.solar-content { padding: 40px 25px; }
	.solar-image { min-height: 350px; }
	.project-card { flex-basis: 100%; }
	.project-image { height: 300px; }
	.cta { padding: 75px 0; }
	.cta h2 { font-size: 39px; }
	.cta-buttons { flex-direction: column; }
	.footer-grid { grid-template-columns: 1fr; gap: 35px; }
	.footer-bottom { flex-direction: column; gap: 8px; }
	.scroll-down { display: none; }
	body { padding-bottom: calc(66px + env(safe-area-inset-bottom)); }
	.mobile-contact-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1100; display: grid; grid-template-columns: 1fr 1fr; min-height: 66px; padding-bottom: env(safe-area-inset-bottom); background: white; box-shadow: 0 -5px 25px rgba(6, 24, 46, 0.15); }
	.mobile-contact-bar a { display: flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 10px; font-size: 16px; font-weight: 500; }
	.mobile-contact-bar i { font-size: 18px; }
	.mobile-contact-phone { background: #1976d2; color: white; }
	.mobile-contact-line { background: #06c755; color: white; }
	.cta-requirements { grid-template-columns: 1fr; gap: 10px; }
	.cta-requirement { min-height: auto; padding: 18px; flex-direction: row; justify-content: flex-start; text-align: left; }
	.cta-requirement i { width: 30px; font-size: 22px; text-align: center; }
	.cta-description { font-size: 16px; }
	.cta-note { font-size: 16px; }
	.cta-buttons .btn { width: 100%; }
	.service-modal { align-items: end; padding: 0; }
	.service-modal-dialog { width: 100%; max-height: 90dvh; padding: 35px 20px 25px; border-radius: 16px 16px 0 0; transform: translateY(40px); }
	.service-modal-close { top: 13px; right: 13px; }
	.service-modal-content { grid-template-columns: 1fr; gap: 12px; margin-top: 24px; }
	.service-modal-section { padding: 18px; }
	.service-modal-action { margin-top: 22px; }
	.service-modal-image { height: 190px; }
	.service-modal-title { gap: 12px; margin-top: 20px; }
	.service-modal-icon { flex-basis: 46px; width: 46px; height: 46px; font-size: 19px; }
	.back-to-top { right: 16px; bottom: calc(82px + env(safe-area-inset-bottom)); width: 44px; height: 44px; font-size: 15px; }
}

.reveal-on-scroll { opacity: 0; translate: 0 28px; transition: opacity 0.75s ease,
		translate 0.75s cubic-bezier(0.22, 1, 0.36, 1); transition-delay: var(--reveal-delay, 0ms); will-change: opacity, translate; }
.reveal-on-scroll.is-visible { opacity: 1; translate: 0 0; }

@media (prefers-reduced-motion: reduce) {
	.reveal-on-scroll, .reveal-on-scroll.is-visible { opacity: 1; translate: none; transition: none; }
}

@media (prefers-reduced-motion: reduce) {
	.hero-slide, .hero-slide.active { animation: none; transition: none; transform: none; }
	.service-modal, .service-modal-dialog, .service-modal-close, .service-detail-button i { transition: none; }
}

.service-card.reveal-on-scroll { transition: opacity 0.75s ease,
		translate 0.75s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
		box-shadow 0.3s ease; transition-delay: var(--reveal-delay, 0ms); }
.service-card.reveal-on-scroll.is-visible { transition-delay: 0ms; }

:root { --corporate-navy: #0a213d; --corporate-navy-deep: #05172c; --corporate-navy-light: #123b65; --corporate-blue: #126fc1; --corporate-blue-bright: #278fdc; --corporate-blue-light: #67b8ee; --corporate-teal: #168f99; --corporate-teal-dark: #0f737d; --corporate-text: #10233f; --corporate-body: #5c6f84; --corporate-muted: #7a8da1; --corporate-surface: #f3f7fb; --corporate-surface-blue: #eaf3fa; --corporate-border: #dce6ef; --corporate-shadow: 0 18px 55px rgba(7, 31, 58, 0.09); --corporate-shadow-hover: 0 25px 65px rgba(7, 31, 58, 0.16); }
body { color: var(--corporate-text); background: #ffffff; }
.section { position: relative; padding: 115px 0; }

.intro h2, .section-heading h2, .solar-content h2, .about-content h2 { color: var(--corporate-navy); font-weight: 500; letter-spacing: -0.4px; }
.intro h2 span, .solar-content h2 span, .about-content h2 span, .section-heading h2 span { color: var(--corporate-blue); }

.section-heading > p, .intro p, .solar-content > p, .about-content > p, .project-info p, .feature p { color: var(--corporate-body); }

.intro h2::before, .intro h2::after, .section-heading h2::before, .section-heading h2::after, .solar-content h2::before, .solar-content h2::after, .about-content h2::before, .about-content h2::after, .cta h2::before, .cta h2::after { content: none; display: none; }

h2 { border-bottom: 0; }

.header { border-bottom: 1px solid rgba(255, 255, 255, 0.12); transition: background-color 0.35s ease,
		box-shadow 0.35s ease,
		border-color 0.35s ease; }
.header.scrolled { background: rgba(255, 255, 255, 0.97); border-bottom-color: rgba(10, 33, 61, 0.08); box-shadow: 0 8px 35px rgba(5, 23, 44, 0.09); }
.logo-mark { background: linear-gradient(
		135deg,
		var(--corporate-blue-bright),
		var(--corporate-blue)
	); border-radius: 5px; box-shadow: 0 8px 25px rgba(18, 111, 193, 0.25); }
.nav-link { position: relative; font-weight: 400; }
.nav-link::after { content: ""; position: absolute; right: 0; bottom: -10px; left: 0; height: 2px; background: var(--corporate-blue-light); transform: scaleX(0); transform-origin: right; transition: transform 0.3s ease; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { border-radius: 4px; font-weight: 500; }
.header.scrolled .nav-cta { background: var(--corporate-blue); border-color: var(--corporate-blue); color: #ffffff; }
.header.scrolled .nav-cta:hover { background: var(--corporate-navy); border-color: var(--corporate-navy); }

.hero { min-height: 780px; background: var(--corporate-navy-deep); }
.hero-overlay { background: linear-gradient(
			90deg,
			rgba(4, 20, 39, 0.96) 0%,
			rgba(7, 36, 67, 0.84) 47%,
			rgba(7, 36, 67, 0.25) 100%
		); }
.hero-text { max-width: 760px; }
.hero h1 { font-weight: 500; letter-spacing: -0.8px; text-shadow: 0 6px 25px rgba(0, 0, 0, 0.18); }
.hero h1 span { color: #75c5f2; }
.hero p { color: rgba(255, 255, 255, 0.82); line-height: 1.8; }
.hero .btn-primary { background: var(--corporate-blue-bright); box-shadow: 0 12px 30px rgba(23, 119, 196, 0.3); }
.hero .btn-primary:hover { background: #ffffff; color: var(--corporate-navy); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2); }
.hero .btn-outline { border-color: rgba(255, 255, 255, 0.45); background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(5px); }
.hero .btn-outline:hover { border-color: #ffffff; background: #ffffff; color: var(--corporate-navy); }
.hero-stats { gap: 18px; margin-top: 60px; }
.stat { min-width: 245px; padding: 18px 22px; border: 1px solid rgba(255, 255, 255, 0.14); border-left: 3px solid var(--corporate-blue-light); background: rgba(5, 25, 48, 0.38); backdrop-filter: blur(7px); }
.stat strong { font-size: 17px; font-weight: 500; }
.stat span { margin-top: 2px; color: rgba(255, 255, 255, 0.64); font-size: 14px; }

.trust-bar { position: relative; z-index: 5; background: #ffffff; border-bottom: 1px solid var(--corporate-border); box-shadow: 0 15px 45px rgba(5, 23, 44, 0.06); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { display: flex; align-items: center; gap: 17px; min-height: 135px; padding: 30px 34px; border-right: 1px solid var(--corporate-border); transition: background-color 0.3s ease,
		transform 0.3s ease; }
.trust-item:first-child { border-left: 1px solid var(--corporate-border); }
.trust-item:hover { background: var(--corporate-surface); }
.trust-icon { flex: 0 0 52px; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 5px; background: var(--corporate-surface-blue); color: var(--corporate-blue); font-size: 21px; }
.trust-item strong { display: block; color: var(--corporate-navy); font-family: "Kanit", sans-serif; font-size: 18px; font-weight: 500; line-height: 1.4; }
.trust-item span { display: block; margin-top: 3px; color: var(--corporate-muted); font-size: 13px; line-height: 1.6; }

.btn { border-radius: 4px; font-weight: 500; box-shadow: none; transition: background-color 0.3s ease,
		color 0.3s ease,
		border-color 0.3s ease,
		transform 0.3s ease,
		box-shadow 0.3s ease; }
.btn-primary { background: var(--corporate-blue); }
.btn-primary:hover { background: var(--corporate-navy); box-shadow: 0 12px 30px rgba(10, 33, 61, 0.2); }
.btn-dark { background: var(--corporate-navy); }
.btn-dark:hover { background: var(--corporate-blue); box-shadow: 0 12px 30px rgba(18, 111, 193, 0.2); }

.intro { background: #ffffff; }
.intro-grid { align-items: center; }
.intro-grid > div:last-child { padding-left: 45px; border-left: 1px solid var(--corporate-border); }
.intro p { line-height: 1.9; }

.solutions { overflow: hidden; background: linear-gradient(
			135deg,
			#edf4fa 0%,
			#f8fbfd 52%,
			#e8f1f8 100%
		); }
.solutions::before { content: ""; position: absolute; top: -230px; right: -180px; width: 500px; height: 500px; border: 90px solid rgba(18, 111, 193, 0.035); border-radius: 50%; pointer-events: none; }

.service-grid { gap: 24px; }
.service-card { overflow: hidden; padding: 44px 36px 38px; border: 1px solid rgba(13, 61, 103, 0.11); border-top: 4px solid var(--corporate-blue); background: rgba(255, 255, 255, 0.98); box-shadow: 0 12px 40px rgba(7, 31, 58, 0.06); }
.service-card::before { content: ""; position: absolute; top: 0; right: 0; width: 85px; height: 85px; background: linear-gradient(
		225deg,
		rgba(18, 111, 193, 0.08),
		transparent 65%
	); pointer-events: none; }
.service-card:nth-child(3) { border-top-color: var(--corporate-teal); }
.service-card:hover { transform: translateY(-7px); border-color: rgba(18, 111, 193, 0.25); box-shadow: var(--corporate-shadow-hover); }
.service-card.featured { border-color: var(--corporate-navy-light); border-top-color: var(--corporate-blue-light); background: linear-gradient(
			145deg,
			#0a2748 0%,
			#123e69 100%
		); box-shadow: 0 20px 50px rgba(5, 23, 44, 0.2); }
.service-icon { width: 58px; height: 58px; border-radius: 5px; background: var(--corporate-surface-blue); color: var(--corporate-blue); }
.service-card:nth-child(3) .service-icon { background: rgba(22, 143, 153, 0.1); color: var(--corporate-teal); }
.featured .service-icon { background: var(--corporate-blue-bright); color: #ffffff; box-shadow: 0 10px 30px rgba(39, 143, 220, 0.25); }
.service-card h3 { color: var(--corporate-navy); }
.service-card.featured h3 { color: #ffffff; }
.service-card p { color: var(--corporate-body); }
.service-card.featured p { color: rgba(255, 255, 255, 0.7); }
.service-detail-button { color: var(--corporate-blue); }
.service-card:nth-child(3) .service-detail-button { color: var(--corporate-teal-dark); }
.featured .service-detail-button { color: #7bc9f5; }

.solar { padding: 0; background: var(--corporate-navy); }
.solar .container { width: 100%; max-width: none; }
.solar-grid { grid-template-columns: 1fr 1fr; min-height: 680px; }
.solar-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(
		90deg,
		rgba(4, 20, 39, 0.08),
		rgba(4, 20, 39, 0.35)
	); }
.solar-badge { z-index: 2; left: 7%; bottom: 45px; min-width: 170px; border-left: 4px solid var(--corporate-blue-bright); background: rgba(255, 255, 255, 0.95); box-shadow: var(--corporate-shadow); }
.solar-content { display: flex; flex-direction: column; justify-content: center; padding: clamp(60px, 8vw, 115px); background: radial-gradient(
			circle at 100% 0%,
			rgba(39, 143, 220, 0.13),
			transparent 38%
		),
		var(--corporate-navy); }
.solar-content h2 { color: #ffffff; }
.solar-content h2 span { color: #70c1ef; }
.solar-content > p { color: rgba(255, 255, 255, 0.69); }
.check-list li { color: rgba(255, 255, 255, 0.9); }
.check-list i { color: #65cbd2; }

.solar-content .btn-primary { align-self: flex-start; background: #ffffff; color: var(--corporate-navy); }
.solar-content .btn-primary:hover { background: var(--corporate-blue-bright); color: #ffffff; }

.projects { background: #ffffff; }
.project-card { overflow: hidden; border: 1px solid var(--corporate-border); background: #ffffff; box-shadow: 0 12px 40px rgba(7, 31, 58, 0.07); transition: translate 0.35s ease,
		box-shadow 0.35s ease,
		border-color 0.35s ease; }
.project-card:hover { translate: 0 -6px; border-color: rgba(18, 111, 193, 0.28); box-shadow: var(--corporate-shadow-hover); }
.project-image::after { background: linear-gradient(
		transparent 38%,
		rgba(4, 20, 39, 0.86)
	); }
.project-image span { padding: 6px 13px; border-left: 3px solid #65cbd2; background: rgba(5, 23, 44, 0.82); font-size: 12px; font-weight: 500; }
.project-info { position: relative; padding: 28px 30px 32px; }
.project-info::before { content: ""; position: absolute; top: 0; left: 30px; width: 46px; height: 3px; background: var(--corporate-blue); }
.project-info h3 { color: var(--corporate-navy); }
.slider-controls button { border-radius: 4px; }
.slider-controls button:hover { background: var(--corporate-navy); border-color: var(--corporate-navy); }
.slider-progress span { background: var(--corporate-blue); }

.about { overflow: hidden; background: linear-gradient(
			135deg,
			#eef4f9 0%,
			#f8fafc 55%,
			#e8f2f7 100%
		); }
.about::after { content: ""; position: absolute; right: -160px; bottom: -230px; width: 500px; height: 500px; border: 1px solid rgba(18, 111, 193, 0.09); border-radius: 50%; box-shadow: 0 0 0 70px rgba(18, 111, 193, 0.025),
		0 0 0 140px rgba(18, 111, 193, 0.018); pointer-events: none; }
.about-grid { position: relative; z-index: 1; }
.about-content { padding-right: 25px; }
.about-features { border-top-color: rgba(10, 33, 61, 0.13); }
.feature { position: relative; padding: 26px 22px; border-bottom-color: rgba(10, 33, 61, 0.13); transition: background-color 0.3s ease,
		padding-left 0.3s ease,
		box-shadow 0.3s ease; }
.feature:hover { padding-left: 30px; background: #ffffff; box-shadow: 0 10px 35px rgba(7, 31, 58, 0.07); }
.feature > strong { color: var(--corporate-blue); font-weight: 600; }
.feature:nth-child(4) > strong { color: var(--corporate-teal); }

.cta { position: relative; overflow: hidden; background: radial-gradient(
			circle at 12% 15%,
			rgba(39, 143, 220, 0.22),
			transparent 30%
		),
		radial-gradient(
			circle at 90% 85%,
			rgba(22, 143, 153, 0.2),
			transparent 32%
		),
		linear-gradient(
			115deg,
			#041528 0%,
			#0a2a4c 52%,
			#104f7b 100%
		); }
.cta::before { content: ""; position: absolute; top: -220px; right: -100px; width: 470px; height: 470px; border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 50%; }
.cta-inner { position: relative; z-index: 1; }
.cta h2 span { color: #74c5ef; }
.cta-requirement { border-color: rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.055); backdrop-filter: blur(6px); transition: transform 0.3s ease,
		border-color 0.3s ease,
		background-color 0.3s ease; }
.cta-requirement:hover { transform: translateY(-5px); border-color: rgba(101, 203, 210, 0.5); background: rgba(255, 255, 255, 0.1); }
.cta-requirement i { color: #69c8d0; }

.cta .btn-primary { background: var(--corporate-blue-bright); }
.cta .btn-primary:hover { background: #ffffff; color: var(--corporate-navy); }

.service-modal-overlay { background: rgba(3, 17, 32, 0.8); }
.service-modal-dialog { border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 8px; box-shadow: 0 35px 90px rgba(3, 17, 32, 0.4); }
.service-modal-image, .service-modal-section { border-radius: 5px; }
.service-modal-section { border-color: var(--corporate-border); background: var(--corporate-surface); }
.service-modal-icon { border-radius: 5px; background: var(--corporate-surface-blue); color: var(--corporate-blue); }
.service-modal-section li::before { color: var(--corporate-teal); }

.footer { position: relative; background: #041426; }
.footer::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 1px; background: linear-gradient(
		90deg,
		transparent,
		rgba(103, 184, 238, 0.45),
		transparent
	); }
.footer-column h4 { color: #ffffff; font-size: 15px; font-weight: 500; }
.footer-brand p, .footer-column a, .footer-column p { color: #91a4b7; }
.footer-column a { transition: color 0.25s ease,
		transform 0.25s ease; }
.footer-column a:hover { color: #75c5f2; transform: translateX(4px); }

.back-to-top { background: var(--corporate-blue); box-shadow: 0 12px 30px rgba(5, 23, 44, 0.22); }
.back-to-top:hover { background: var(--corporate-navy); }

@media (max-width: 900px) {
	.section { padding: 85px 0; }
	.trust-grid { grid-template-columns: 1fr; }
	.trust-item, .trust-item:first-child { min-height: auto; border-right: 1px solid var(--corporate-border); border-bottom: 1px solid var(--corporate-border); border-left: 1px solid var(--corporate-border); }
	.intro-grid > div:last-child { padding-left: 0; border-left: 0; }
	.solar { padding: 0; }
	.solar-grid { grid-template-columns: 1fr; }
	.solar-content { padding: 70px 40px; }
	.service-card { padding: 40px 34px; }
}

@media (max-width: 600px) {
	.hero { min-height: 720px; }
	.hero-content { padding-top: 65px; }
	.hero h1 { font-size: 40px; line-height: 1.15; }
	.hero-stats { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 35px; }
	.stat { min-width: 0; padding: 13px 16px; }
	.trust-bar { padding: 16px 0; }
	.trust-item { padding: 20px; }
	.trust-icon { flex-basis: 46px; width: 46px; height: 46px; }
	.section { padding: 75px 0; }
	.solar { padding: 0; }
	.solar-content { padding: 55px 25px; }
	.solar-content .btn-primary { width: 100%; }
	.project-info { padding: 26px 24px 28px; }
	.feature { padding-right: 10px; padding-left: 10px; }
	.feature:hover { padding-left: 10px; }
	.cta-requirement:hover { transform: none; }
}

@media (hover: none) {
	.trust-item:hover { background: transparent; }
	.project-card:hover { translate: none; }
	.feature:hover { padding-left: 10px; background: transparent; box-shadow: none; }
	.cta-requirement:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
	.trust-item, .project-card, .feature, .cta-requirement { transition: none; }
}

.hero .stat { min-width: 245px; padding: 4px 0 4px 18px; border: 0; border-left: 3px solid var(--corporate-blue-light); background: transparent; backdrop-filter: none; box-shadow: none; }

@media (max-width: 600px) {
	.hero .stat { min-width: 0; padding: 3px 0 3px 15px; }
}