/*
Theme Name: TechBall Erasmus+ Project
Theme URI: https://example.org/techball
Author: TechBall Consortium
Description: A responsive one-page WordPress theme for the TechBall Erasmus+ Sport project: Integrating Smart Technologies in Basketball Training.
Version: 2.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: techball
*/
:root{
  --tb-blue:#0f63b6; --tb-blue-2:#2389e8; --tb-orange:#f59a23; --tb-ink:#10243d;
  --tb-muted:#5f6f82; --tb-bg:#f5f8fc; --tb-card:#ffffff; --tb-line:#dfe7f0; --tb-dark:#071525;
  --tb-radius:20px; --tb-shadow:0 18px 50px rgba(15,52,90,.12); --tb-max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--tb-ink);background:#fff;line-height:1.6}
a{color:var(--tb-blue);text-decoration:none} a:hover{text-decoration:none}.tb-container{width:min(var(--tb-max),calc(100% - 40px));margin:auto}
.tb-topbar{background:var(--tb-dark);color:#d9e8f7;font-size:.86rem}.tb-topbar .tb-container{display:flex;justify-content:space-between;gap:24px;padding:8px 0;align-items:center}.tb-topbar strong{color:white}.tb-topbar span:last-child{text-align:right}
.tb-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,231,240,.85)}.tb-nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.tb-brand{display:flex;align-items:center;gap:12px;color:var(--tb-ink);font-weight:900;font-size:1.25rem}.tb-brand img{height:46px;width:auto;max-width:180px;object-fit:contain}.tb-menu{display:flex;gap:22px;align-items:center;font-size:.95rem;font-weight:700}.tb-menu a{color:var(--tb-ink)}.tb-menu a:hover{color:var(--tb-blue)}.tb-menu-toggle{display:none;background:none;border:0;font-size:1.5rem}
.tb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s ease}.tb-btn-primary{background:linear-gradient(135deg,var(--tb-blue),var(--tb-blue-2));color:#fff;box-shadow:0 10px 25px rgba(15,99,182,.22)}.tb-btn-primary:hover{transform:translateY(-1px);color:#fff}.tb-btn-secondary{background:#fff;color:var(--tb-blue);border-color:#cbd9e7}.tb-btn-secondary:hover{border-color:var(--tb-blue)}
.tb-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 84% 20%,rgba(245,154,35,.20),transparent 24%),radial-gradient(circle at 65% 75%,rgba(35,137,232,.18),transparent 28%),linear-gradient(180deg,#f8fbff 0%,#fff 100%);padding:82px 0 68px}.tb-hero:after{content:"";position:absolute;inset:auto -15% -280px 35%;height:520px;border-radius:50%;background:linear-gradient(120deg,rgba(15,99,182,.08),rgba(245,154,35,.08));transform:rotate(-9deg)}.tb-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}.tb-kicker{display:inline-flex;gap:8px;align-items:center;padding:7px 11px;border-radius:999px;background:#eaf4ff;color:var(--tb-blue);font-size:.84rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.tb-hero h1{font-size:clamp(2.6rem,6vw,5.5rem);line-height:.98;margin:20px 0 22px;letter-spacing:-.05em}.tb-hero h1 span{color:var(--tb-blue)}.tb-hero p{font-size:1.16rem;max-width:690px;color:var(--tb-muted)}.tb-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.tb-hero-card{background:#fff;border:1px solid var(--tb-line);border-radius:28px;padding:26px;box-shadow:var(--tb-shadow)}.tb-hero-card img{width:100%;height:auto;border-radius:16px}.tb-mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.tb-mini-stat{background:var(--tb-bg);border-radius:16px;padding:14px;text-align:center}.tb-mini-stat b{display:block;font-size:1.55rem;color:var(--tb-blue)}.tb-mini-stat span{font-size:.8rem;color:var(--tb-muted)}
.tb-section{padding:88px 0}.tb-section.alt{background:var(--tb-bg)}.tb-section-head{max-width:760px;margin-bottom:38px}.tb-eyebrow{color:var(--tb-orange);font-size:.82rem;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.tb-section h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.05;letter-spacing:-.035em;margin:10px 0 14px}.tb-section-head p{color:var(--tb-muted);font-size:1.06rem}.tb-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.tb-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.tb-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tb-card{background:#fff;border:1px solid var(--tb-line);border-radius:var(--tb-radius);padding:26px;box-shadow:0 9px 25px rgba(15,52,90,.05)}.tb-card h3{margin:10px 0 8px;font-size:1.22rem}.tb-card p{margin:0;color:var(--tb-muted)}.tb-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#eaf4ff;color:var(--tb-blue);font-size:1.25rem;font-weight:900}.tb-tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#fff4e6;color:#a85a00;font-weight:800;font-size:.75rem;margin-bottom:10px}
.tb-research-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}.tb-research-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.tb-stat{background:#fff;border:1px solid var(--tb-line);border-radius:18px;padding:22px}.tb-stat strong{font-size:2.2rem;line-height:1;color:var(--tb-blue);display:block;margin-bottom:8px}.tb-stat span{color:var(--tb-muted);font-size:.92rem}.tb-chart{background:#fff;border:1px solid var(--tb-line);border-radius:22px;padding:14px;box-shadow:var(--tb-shadow)}.tb-chart img{width:100%;border-radius:14px;display:block}
.tb-timeline{position:relative;margin-top:20px}.tb-timeline:before{content:"";position:absolute;left:24px;top:18px;bottom:18px;width:2px;background:#c9d8e7}.tb-step{position:relative;padding-left:74px;margin:30px 0}.tb-step-num{position:absolute;left:0;top:0;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--tb-blue),var(--tb-blue-2));color:white;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 20px rgba(15,99,182,.25)}.tb-step h3{margin:0 0 6px}.tb-step p{margin:0;color:var(--tb-muted)}
.tb-equipment{overflow-x:auto;border-radius:18px;border:1px solid var(--tb-line);background:#fff}.tb-equipment table{width:100%;border-collapse:collapse;min-width:720px}.tb-equipment th,.tb-equipment td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--tb-line)}.tb-equipment th{background:#eef6ff;color:var(--tb-ink);font-size:.84rem;text-transform:uppercase;letter-spacing:.06em}.tb-equipment tr:last-child td{border-bottom:0}.tb-equipment td:last-child,.tb-equipment th:last-child{text-align:right}.tb-total{font-weight:900;color:var(--tb-blue)}
.tb-resource{display:flex;flex-direction:column;min-height:245px}.tb-resource .tb-btn{margin-top:auto;width:max-content}.tb-resource small{display:block;color:#8794a4;margin-bottom:10px}.tb-partners-panel{background:#fff;border:1px solid var(--tb-line);border-radius:26px;padding:30px}.tb-partners-panel img{width:100%;max-width:720px;display:block;margin:0 auto}.tb-partner-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}.tb-partner-item{border:1px solid var(--tb-line);border-radius:16px;padding:18px}.tb-partner-item b{display:block}.tb-partner-item span{color:var(--tb-muted);font-size:.9rem}
.tb-callout{background:linear-gradient(135deg,var(--tb-dark),#0f3253);color:#fff;border-radius:28px;padding:42px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.tb-callout h2{margin:0 0 8px;color:#fff}.tb-callout p{margin:0;color:#cbd9e7;max-width:760px}.tb-callout .tb-btn-secondary{border-color:#fff;background:#fff}
.tb-footer{background:var(--tb-dark);color:#c7d4e2;padding:58px 0 24px}.tb-footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr;gap:38px}.tb-footer h4{color:#fff;margin:0 0 12px}.tb-footer p,.tb-footer a{color:#aebdcb}.tb-footer a:hover{color:#fff}.tb-footer-logo{width:220px;max-width:100%;background:#fff;border-radius:12px;padding:10px}.tb-disclaimer{border-top:1px solid #1d3349;margin-top:34px;padding-top:20px;font-size:.82rem;color:#8fa2b5}.tb-copyright{display:flex;justify-content:space-between;gap:16px;margin-top:18px;font-size:.8rem;color:#7890a5}
.tb-posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tb-post{background:#fff;border:1px solid var(--tb-line);border-radius:18px;padding:22px}.tb-post time{font-size:.8rem;color:#8494a7}.tb-post h3{font-size:1.1rem}.tb-post p{color:var(--tb-muted);font-size:.92rem}
@media (max-width:980px){.tb-hero-grid,.tb-research-wrap,.tb-grid-4{grid-template-columns:1fr 1fr}.tb-grid-3{grid-template-columns:1fr 1fr}.tb-footer-grid{grid-template-columns:1fr 1fr}.tb-callout{grid-template-columns:1fr}.tb-menu{position:absolute;left:20px;right:20px;top:82px;background:#fff;border:1px solid var(--tb-line);border-radius:18px;box-shadow:var(--tb-shadow);padding:18px;display:none;flex-direction:column;align-items:flex-start}.tb-menu.open{display:flex}.tb-menu-toggle{display:block}}
@media (max-width:700px){.tb-topbar .tb-container{display:block}.tb-topbar span{display:block;text-align:left!important}.tb-hero{padding-top:54px}.tb-hero-grid,.tb-research-wrap,.tb-grid-2,.tb-grid-3,.tb-grid-4,.tb-footer-grid,.tb-partner-list{grid-template-columns:1fr}.tb-mini-stats{grid-template-columns:1fr 1fr}.tb-section{padding:64px 0}.tb-callout{padding:28px}.tb-posts{grid-template-columns:1fr}.tb-copyright{display:block}.tb-brand img{max-width:145px}.tb-nav{height:68px}}

/* TechBall 1.1 - implementation progress and PDF resource library */
.tb-progress-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tb-progress-card{background:#fff;border:1px solid var(--tb-line);border-radius:20px;padding:24px;box-shadow:0 9px 25px rgba(15,52,90,.05)}.tb-progress-card h3{margin:12px 0 8px}.tb-progress-card p{margin:0;color:var(--tb-muted)}.tb-status{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;font-size:.74rem;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.tb-status.done{background:#e9f8ef;color:#207044}.tb-status.active{background:#fff1dd;color:#9a5700}.tb-status.next{background:#eaf4ff;color:var(--tb-blue)}
.tb-implementation-flow{margin:30px 0 24px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--tb-line);border-radius:20px;padding:18px}.tb-implementation-flow span{padding:8px 12px;background:#eef6ff;border-radius:999px;font-size:.86rem;font-weight:800;color:var(--tb-ink)}.tb-implementation-flow b{color:var(--tb-blue);font-size:1.1rem}.tb-implementation-notes{margin-top:20px}
.tb-resources-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.tb-resource{display:flex;flex-direction:column;min-height:290px;position:relative}.tb-resource .tb-btn{margin-top:auto;width:max-content}.tb-resource-meta{display:flex;gap:8px;align-items:center;margin-bottom:16px}.tb-filetype,.tb-lang{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:.72rem;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.tb-filetype{background:#ffeaea;color:#a82d2d}.tb-lang{background:#eef6ff;color:var(--tb-blue)}.tb-resource small{display:block;color:#8794a4;margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em;font-weight:800}.tb-resource h3{margin-top:4px}.tb-resource p{margin-bottom:22px}
.tb-footer-logo{width:310px}.tb-hero-card img{background:#fff}
@media (max-width:980px){.tb-progress-grid,.tb-resources-grid{grid-template-columns:1fr 1fr}}
@media (max-width:700px){.tb-progress-grid,.tb-resources-grid{grid-template-columns:1fr}.tb-implementation-flow{align-items:flex-start}.tb-implementation-flow b{display:none}.tb-footer-logo{width:260px}}

/* TechBall 2.0 — visual workshop edition */
.tb-hero-photo{min-height:590px;padding:0;display:flex;align-items:center;background-image:var(--tb-hero-image);background-size:cover;background-position:center 42%;color:#fff;position:relative}.tb-hero-photo:after{display:none}.tb-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,15,28,.88) 0%,rgba(4,15,28,.73) 39%,rgba(4,15,28,.22) 68%,rgba(4,15,28,.04) 100%)}.tb-hero-content{position:relative;z-index:2;padding-top:80px;padding-bottom:80px}.tb-hero-photo h1{max-width:720px;margin:18px 0 20px;color:#fff;text-shadow:0 3px 22px rgba(0,0,0,.22)}.tb-hero-photo h1 span{color:#62c6ff}.tb-hero-photo p{max-width:700px;color:#edf5fb;font-size:1.18rem;text-shadow:0 2px 10px rgba(0,0,0,.2)}.tb-kicker-dark{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);color:#fff;backdrop-filter:blur(8px)}.tb-btn-orange{background:linear-gradient(135deg,#ff6b35,#f59a23);color:white;box-shadow:0 12px 26px rgba(245,112,35,.3)}.tb-btn-orange:hover{color:#fff;transform:translateY(-1px)}.tb-btn-ghost{color:#fff;border-color:rgba(255,255,255,.72);background:rgba(7,21,37,.32);backdrop-filter:blur(8px)}.tb-btn-ghost:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.1)}
.tb-stat-strip{position:relative;z-index:3;margin-top:-1px;background:#fff;border-bottom:1px solid var(--tb-line);box-shadow:0 12px 35px rgba(15,52,90,.08)}.tb-stat-strip-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;padding:18px 0}.tb-stat-chip{display:flex;align-items:center;gap:12px;border:1px solid #e4edf6;border-radius:18px;padding:15px 14px;background:linear-gradient(180deg,#fff,#fbfdff)}.tb-stat-chip b{font-size:1.65rem;line-height:1;color:var(--tb-blue);white-space:nowrap}.tb-stat-chip span{font-weight:800;font-size:.9rem;line-height:1.2}.tb-stat-chip small{display:block;font-weight:500;color:#8594a5;font-size:.68rem;margin-top:4px}.tb-stat-chip-orange b{color:var(--tb-orange)}
.tb-about-split{display:grid;grid-template-columns:.82fr 1.18fr;gap:46px;align-items:center}.tb-about-copy p{color:var(--tb-muted);font-size:1.04rem}.tb-about-media{position:relative}.tb-about-media>img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;border-radius:24px;box-shadow:var(--tb-shadow)}.tb-floating-list{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-radius:18px;padding:16px 18px;box-shadow:0 12px 30px rgba(9,34,60,.16);display:grid;gap:9px;font-size:.82rem;font-weight:800;color:#24405f}.tb-floating-list span::first-letter{color:var(--tb-blue)}
.tb-section-head-row{max-width:none;display:grid;grid-template-columns:1fr .9fr;gap:36px;align-items:end}.tb-section-head-row>p{margin-bottom:7px}.tb-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.tb-feature-card{background:#fff;border:1px solid var(--tb-line);border-radius:22px;overflow:hidden;box-shadow:0 12px 32px rgba(15,52,90,.08);transition:.2s ease}.tb-feature-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(15,52,90,.13)}.tb-feature-card img{display:block;width:100%;height:220px;object-fit:cover}.tb-feature-card>div{padding:20px}.tb-feature-card h3{margin:4px 0 7px}.tb-feature-card p{margin:0;color:var(--tb-muted)}.tb-card-icon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eaf4ff;color:var(--tb-blue)}
.tb-gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:150px;gap:12px}.tb-gallery a{overflow:hidden;border-radius:18px;position:relative;background:#dbe6f1}.tb-gallery a:nth-child(1){grid-column:span 4;grid-row:span 2}.tb-gallery a:nth-child(2){grid-column:span 3;grid-row:span 2}.tb-gallery a:nth-child(3){grid-column:span 5;grid-row:span 2}.tb-gallery a:nth-child(4){grid-column:span 5;grid-row:span 2}.tb-gallery a:nth-child(5){grid-column:span 3;grid-row:span 2}.tb-gallery a:nth-child(6){grid-column:span 4;grid-row:span 2}.tb-gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}.tb-gallery a:hover img{transform:scale(1.035)}
.tb-resources-section{background:linear-gradient(180deg,#f8fbff,#eef6ff)}.tb-resource-featured{border-color:#bfdcff;box-shadow:0 14px 34px rgba(15,99,182,.11)}.tb-resource-featured:before{content:"NEW";position:absolute;top:18px;right:18px;background:var(--tb-orange);color:#fff;border-radius:999px;padding:4px 8px;font-size:.65rem;font-weight:900;letter-spacing:.08em}.tb-resource .tb-btn[download]:after{content:"↓";font-weight:900}.tb-resource p{flex-grow:1}.tb-callout{overflow:hidden;position:relative}.tb-callout:after{content:"";position:absolute;width:280px;height:280px;border:60px solid rgba(255,255,255,.04);border-radius:50%;right:-70px;top:-95px}
@media (max-width:1100px){.tb-stat-strip-grid{grid-template-columns:repeat(3,1fr)}.tb-about-split{grid-template-columns:1fr}.tb-feature-grid{grid-template-columns:1fr 1fr}.tb-feature-card:last-child{grid-column:1/-1}.tb-section-head-row{grid-template-columns:1fr}.tb-gallery{grid-auto-rows:130px}}
@media (max-width:700px){.tb-hero-photo{min-height:620px;background-position:61% center}.tb-hero-overlay{background:linear-gradient(90deg,rgba(4,15,28,.94),rgba(4,15,28,.74))}.tb-hero-content{padding-top:64px;padding-bottom:64px}.tb-stat-strip-grid{grid-template-columns:1fr 1fr}.tb-feature-grid{grid-template-columns:1fr}.tb-feature-card:last-child{grid-column:auto}.tb-gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px}.tb-gallery a:nth-child(n){grid-column:span 1;grid-row:span 1}.tb-gallery a:nth-child(1),.tb-gallery a:nth-child(3),.tb-gallery a:nth-child(4){grid-column:1/-1}.tb-floating-list{position:static;margin-top:12px}.tb-about-media>img{aspect-ratio:4/3}.tb-stat-chip{padding:12px}.tb-stat-chip b{font-size:1.3rem}}