@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#071e38;--navy2:#0d345e;--blue:#166ca5;--blue-light:#77c3e7;--cream:#f6f8fa;--text:#213c53;--muted:#617489;--line:#e0e7ed}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;color:var(--text);background:#fff;font:16px/1.7 'DM Sans',Arial,sans-serif}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Manrope,Arial,sans-serif;line-height:1.16;letter-spacing:-.045em}button{font:inherit}.wrap{width:min(1160px,calc(100% - 56px));margin:auto}.skip{position:absolute;left:-9999px;z-index:9999;background:white;padding:15px}.skip:focus{left:10px;top:10px}.header{height:82px;position:sticky;top:0;z-index:10;background:rgba(255,255,255,.98);box-shadow:0 1px 0 rgba(4,33,56,.08)}.nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:13px;color:var(--navy);line-height:1;white-space:nowrap}.brand-mark{font:800 34px/1 Manrope,Arial,sans-serif;letter-spacing:-.1em}.brand-dot{color:var(--blue)}.brand-copy{font:800 14px/1.1 Manrope,Arial,sans-serif;letter-spacing:.105em;border-left:1px solid #aab8c4;padding-left:12px}.brand-copy small{display:block;font-size:9px;letter-spacing:.115em;margin-top:5px}.menu{display:flex;align-items:center;gap:29px}.menu a{font-size:13px;font-weight:700;color:#344f64}.menu a:hover{color:var(--blue)}.menu .nav-contact{background:var(--navy);color:#fff;padding:12px 19px;border-radius:4px}.menu .nav-contact:hover{color:#fff;background:var(--blue)}.nav-contact span{margin-left:9px}.nav-toggle{display:none}.hero{height:min(790px,calc(100svh - 82px));min-height:620px;position:relative;color:white;background:#092845;isolation:isolate}.hero-photo{position:absolute;inset:0;background-image:url('assets/tts-banner.png');background-size:cover;background-position:center 36%;z-index:-2}.hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,27,51,.9) 0%,rgba(6,33,60,.77) 34%,rgba(5,29,57,.1) 78%),linear-gradient(0deg,rgba(3,22,44,.71),transparent 42%)}.hero-content{padding-top:clamp(135px,19vh,190px);padding-bottom:90px}.eyebrow,.kicker{font:800 12px Manrope,Arial,sans-serif;letter-spacing:.17em;color:var(--blue)}.eyebrow.light{color:#a9d9f2}.hero h1{max-width:810px;margin:24px 0;font-size:clamp(42px,6vw,77px);color:white}.hero h1 em{color:#aadcf7;font-style:normal}.hero-content>p:not(.eyebrow){max-width:565px;color:#e0eaf1;font-size:18px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:35px;position:relative;z-index:2}.btn{display:inline-flex;justify-content:space-between;align-items:center;gap:18px;padding:15px 22px;border-radius:4px;font-weight:800;font-size:13px;letter-spacing:.01em;min-width:240px}.btn span{font-size:20px;font-weight:400}.btn-bright{background:#a7d6ec;color:#072943}.btn-bright:hover{background:white}.btn-outline{border:1px solid #b1c2d1;color:#fff}.btn-outline:hover{background:rgba(255,255,255,.12)}.section{padding:105px 0}.grid-intro{display:grid;grid-template-columns:1.08fr .92fr;gap:100px;align-items:center}.section h2{font-size:clamp(35px,4.2vw,55px);color:var(--navy);margin:22px 0 0}.section h2 span{color:var(--blue)}.intro-copy{padding-top:26px}.intro-copy p{color:#60758a;margin-bottom:18px}.text-link{display:inline-flex;align-items:center;gap:18px;font-weight:800;font-size:13px;color:#125884;border-bottom:1px solid #abc6d7;padding-bottom:6px;margin-top:7px}.services{background:#f5f8fa}.section-head{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:42px}.section-head p{max-width:365px;margin:0;color:var(--muted)}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.service-card{position:relative;background:#fff;border:1px solid var(--line);padding:30px 27px 34px;min-height:300px;transition:transform .2s,box-shadow .2s}.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #14345413}.service-icon{width:45px;height:45px;border:1px solid #c7e0ee;color:#2776a2;border-radius:8px;display:grid;place-items:center;font-size:30px;line-height:1}.service-no{position:absolute;right:30px;top:39px;font-size:12px;color:#abb8c3;font-weight:800}.service-card h3{font-size:20px;color:var(--navy);margin:25px 0 12px}.service-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}.approach{background:#082743;color:white}.approach-inner{display:grid;grid-template-columns:1fr 1fr;gap:100px}.kicker.pale{color:#84c6e7}.approach h2{color:#fff}.approach h2 span{color:#a2d8f2}.approach p{color:#b9cad8;max-width:520px;margin-top:24px}.approach-steps>div{display:flex;gap:25px;align-items:center;border-bottom:1px solid #ffffff30;padding:22px 0;font-weight:700}.approach-steps>div:first-child{border-top:1px solid #ffffff30}.approach-steps strong{color:#7dc2e7;font:800 14px Manrope}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.project-panel{position:relative;overflow:hidden;min-height:365px;padding:34px;background:#0d3558;color:#fff;display:flex;flex-direction:column;justify-content:space-between}.project-panel:after{content:'';position:absolute;right:-85px;top:-65px;width:350px;height:350px;border-radius:50%;border:60px solid rgba(168,216,238,.08)}.project-panel.ongoing{background:linear-gradient(135deg,#245c81,#0a2948)}.project-panel.complete{background:linear-gradient(135deg,#123a5c,#071f3c)}.project-label{font:800 11px Manrope;letter-spacing:.18em;color:#b4deee}.project-panel h3{font-size:31px;margin-bottom:12px}.project-panel p{color:#d2e3ed;font-size:14px;max-width:450px}.coming{font:800 10px Manrope;letter-spacing:.14em;color:#b8e6fa}.projects-note{font-size:12px;color:#8191a1;margin-top:18px}.contact{background:#0c2c4a;color:#fff}.contact-grid{display:grid;grid-template-columns:1fr .83fr;gap:110px}.contact h2{color:white}.contact h2 span{color:#a6d9f0}.contact-grid>div>p{color:#b6cbd9;margin-top:25px;max-width:500px}.contact-links{margin-top:32px}.contact-links a{display:flex;align-items:center;gap:19px;padding:15px 0;border-bottom:1px solid #ffffff24;color:white;font-weight:700;overflow-wrap:anywhere}.contact-links a:hover{color:#b2e5fb}.contact-symbol{width:42px;height:42px;display:grid;place-items:center;border:1px solid #ffffff4d;border-radius:50%;font-size:20px;flex:none}.contact-links small{display:block;font:800 10px Manrope;letter-spacing:.12em;color:#93b0c5;margin-bottom:4px}.contact-arrow{margin-left:auto;font-size:20px;color:#85cce9}.contact-aside{padding:45px;background:#154267;border:1px solid #ffffff1b;align-self:center}.contact-aside-top{font:800 11px Manrope;letter-spacing:.14em;color:#a9d8ee}.contact-aside h3{font-size:36px;margin:28px 0 16px}.contact-aside p{color:#c3d6e4}.contact-aside .btn{margin-top:24px}.note{font-size:12px;line-height:1.5;color:#9fbacf;margin-top:22px}.footer{background:#061a2f;color:#adc1d0}.footer-top{display:flex;justify-content:space-between;align-items:center;padding:45px 0;border-bottom:1px solid #ffffff20}.footer-brand{color:#fff}.footer-top p{font:800 11px Manrope;letter-spacing:.16em}.footer-top p span{color:#7ec8eb;margin:0 9px}.footer-bottom{padding:23px 0;display:flex;justify-content:space-between;gap:20px;font-size:12px}.wa-float{position:fixed;bottom:25px;right:25px;z-index:9;width:56px;height:56px;border-radius:50%;background:#20bf65;color:#fff;display:grid;place-items:center;box-shadow:0 7px 22px #07233b35}.wa-float:hover{background:#159b51}.wa-float svg{width:29px;height:29px}
@media(max-width:930px){.menu{gap:15px}.grid-intro,.approach-inner,.contact-grid{gap:50px}.service-grid{grid-template-columns:repeat(2,1fr)}.brand-copy{font-size:12px}}@media(max-width:700px){.wrap{width:min(100% - 36px,1160px)}.header{height:70px}.brand-mark{font-size:29px}.brand-copy{font-size:11px}.brand-copy small{font-size:8px}.nav-toggle{display:flex;background:none;border:0;padding:12px;flex-direction:column;gap:5px;cursor:pointer}.nav-toggle span{height:2px;width:23px;background:var(--navy)}.menu{display:none;position:absolute;top:70px;left:0;right:0;background:white;box-shadow:0 15px 20px #092b411c;padding:16px 22px 22px;flex-direction:column;align-items:stretch;gap:0}.menu.is-open{display:flex}.menu a{padding:12px}.menu .nav-contact{margin-top:8px;text-align:center}.hero{min-height:640px;height:calc(88svh - 70px)}.hero-photo{background-position:63% center}.hero-shade{background:linear-gradient(90deg,rgba(5,27,51,.94),rgba(5,27,51,.6) 80%),linear-gradient(0deg,#061e37a8,transparent 50%)}.hero-content{padding-top:130px}.hero h1{font-size:42px}.hero-content>p:not(.eyebrow){font-size:15px}.btn{min-width:unset}.section{padding:70px 0}.grid-intro,.approach-inner,.contact-grid{grid-template-columns:1fr;gap:24px}.intro-copy{padding:0}.section-head{display:block}.section-head p{margin:23px 0 0}.service-grid,.project-grid{grid-template-columns:1fr}.service-card{min-height:250px}.project-panel{min-height:300px}.contact-aside{padding:30px}.footer-top,.footer-bottom{flex-direction:column;align-items:start;gap:15px}.footer-top p{margin:0}.wa-float{right:18px;bottom:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

@media(max-width:700px){.hero-actions{flex-direction:column;align-items:flex-start}.hero-actions .btn{width:min(100%,320px)}}

/* Version 4: local-scale presentation and responsive hero */
.hero{height:auto;min-height:680px;display:flex;align-items:center;padding:105px 0 100px}
.hero-content{padding-top:0;padding-bottom:0;position:relative;z-index:2}
.hero h1{max-width:740px;font-size:clamp(38px,5vw,64px);line-height:1.12}
.hero-content>p:not(.eyebrow){max-width:620px}
.hero-actions{margin-top:32px;position:relative;z-index:3}
.hero-actions .btn{min-width:235px}
.local-focus{background:#eaf2f7;border-bottom:1px solid #d6e5ee}
.local-focus-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.local-focus-inner>div{padding:27px 24px;border-right:1px solid #d0e0e9}
.local-focus-inner>div:first-child{padding-left:0}
.local-focus-inner>div:last-child{border:0}
.local-focus strong{display:block;color:#082743;font:800 15px Manrope,Arial,sans-serif}
.local-focus span{display:block;font-size:13px;color:#567187;line-height:1.5;margin-top:6px}
.project-panel{min-height:440px}
.project-fields{padding:0;list-style:none;margin:18px 0 22px;display:grid;gap:6px}
.project-fields li{font-size:12px;color:#e0eef8;line-height:1.5}
.project-fields li:before{content:'✓';color:#a7dbf3;margin-right:9px}
@media(max-width:700px){.hero{height:auto;min-height:670px;padding:95px 0 76px}.hero-content{padding:0}.hero h1{font-size:clamp(34px,9vw,46px)}.hero-photo{background-position:58% center}.hero-actions{gap:12px}.local-focus-inner{grid-template-columns:1fr}.local-focus-inner>div,.local-focus-inner>div:first-child{padding:18px 0;border-right:0;border-bottom:1px solid #d0e0e9}.local-focus-inner>div:last-child{border:0}.project-panel{min-height:440px}}

/* Extended engineering service descriptions, version 5 */
.service-grid{align-items:stretch;gap:18px}
.service-card{display:flex;flex-direction:column;min-height:0;padding:29px 26px 30px;border-radius:7px}
.service-card-top{display:flex;align-items:center;justify-content:space-between}
.service-card-top .service-no{position:static}
.service-card h3{margin:22px 0 12px;font-size:20px;letter-spacing:-.025em}
.service-card p{font-size:14px;line-height:1.75}
.service-detail-list{border-top:1px solid #e7edf2;margin:22px 0 0;padding:18px 0 0 17px;color:#526a7c;font-size:13px;line-height:1.65}
.service-detail-list li{margin-bottom:10px;padding-left:3px}
.service-detail-list li::marker{color:#2676a2}
@media(max-width:700px){.service-card{padding:25px 22px}.service-card h3{font-size:19px}}

/* Reinforced concrete structures service detail page */
.service-read-more{align-self:flex-start;display:inline-block;margin-top:auto;padding-top:20px;font-size:13px;font-weight:800;color:#17699a}.service-read-more:hover{text-decoration:underline}
.rc-hero{padding:75px 0 94px;color:#fff;background:linear-gradient(110deg,rgba(5,28,53,.96),rgba(9,45,77,.90)),url('assets/tts-banner.png') center/cover}
.rc-back{display:inline-block;color:#c6dff0;font-size:13px;font-weight:700;margin-bottom:40px}.rc-back:hover{text-decoration:underline}
.rc-hero h1{font-size:clamp(38px,5.6vw,69px);max-width:900px;color:white;margin:20px 0}.rc-hero h1 span{color:#a7d8f3}
.rc-hero h2{max-width:790px;color:#d3eaf6;font-size:clamp(20px,2.1vw,27px);line-height:1.4;letter-spacing:-.025em}
.rc-hero p:not(.eyebrow){max-width:840px;color:#d9e8f1;font-size:16px;line-height:1.9;margin:20px 0 30px}
.rc-two{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}.rc-two p{color:#587186;line-height:1.9}.rc-intro h2,.rc-end h2{margin-top:20px}
.rc-process{background:#f4f8fb}.rc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.rc-card{background:white;border:1px solid #e0e8ef;border-radius:7px;padding:30px;display:flex;align-items:start;gap:20px}.rc-number{color:#287fb1;font:800 14px Manrope,Arial,sans-serif}
.rc-card h3{color:#0b2f51;font-size:20px;letter-spacing:-.02em;margin:0 0 12px}.rc-card p{color:#61768a;font-size:14px;line-height:1.8;margin:0}
.rc-end{background:#092a47;color:white}.rc-end h2{color:white}.rc-end h2 span{color:#a5d8ef}.rc-end p{color:#c3d9e9}.rc-end .btn{margin-top:18px}
@media(max-width:700px){.rc-hero{padding:55px 0 70px}.rc-hero h1{font-size:clamp(36px,9vw,48px)}.rc-two,.rc-grid{grid-template-columns:1fr;gap:20px}.rc-card{padding:24px 20px}}

.service-card{display:flex;flex-direction:column}.service-card .service-read-more{margin-top:auto;padding-top:20px}.detail-hero h1{overflow-wrap:break-word}

/* v9: consistent styling across all six service pages */
.rc-hero{min-height:0}.rc-hero h1{overflow-wrap:break-word;line-height:1.16}.rc-hero h2{margin:20px 0 22px}.rc-hero .btn{width:max-content;max-width:100%;white-space:normal}.rc-card h3{overflow-wrap:break-word}.rc-two>div{min-width:0}.rc-grid>*{min-width:0}
@media(max-width:700px){.rc-hero{padding-top:54px;padding-bottom:70px}.rc-hero .btn{min-width:0}.rc-back{margin-bottom:35px}.rc-card{gap:15px}.rc-grid{grid-template-columns:minmax(0,1fr)}}

.project-open-link{display:inline-flex;color:#c7e9f9;font-weight:800;font-size:13px;margin-top:14px;border-bottom:1px solid #90cde5;padding-bottom:3px}.project-open-link:hover{color:#fff}