/*
 Theme Name: EcoVision
 Theme URI: https://ecovision.space
 Description: Official brochure theme for Eco Vision Institut e.V. — clean, responsive, image-led. Built from the static demo (index / pillar).
 Author: Eco Vision Institut e.V.
 Author URI: https://ecovision.space
 Version: 1.0.0
 Requires at least: 5.9
 Tested up to: 6.8
 Requires PHP: 7.4
 License: GNU General Public License v2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 Text Domain: ecovision
 Tags: responsive-layout, accessibility-ready, custom-menu, featured-images, translation-ready
*/

/* ============================================================
   Design tokens
   ============================================================ */
:root{
  --green:#0C4226;        /* brand deep green */
  --green-2:#0E5230;
  --leaf:#5FA83D;         /* brand leaf green */
  --blue:#1B75BC;         /* brand blue */
  --ink:#1F2A24;
  --muted:#6E7A72;
  --line:#D8DED9;
  --bg-soft:#F6F9F6;
  --white:#ffffff;
  --maxw:1200px;
  --radius:16px;
  --shadow:0 10px 30px rgba(12,66,38,.08);
  --shadow-lg:0 24px 60px rgba(12,66,38,.16);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
}

/* ============================================================
   Base
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.68;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.14;font-weight:600;letter-spacing:-.012em}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font);text-transform:uppercase;letter-spacing:.18em;font-size:12.5px;font-weight:700;color:var(--leaf)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-family:var(--font);font-weight:600;font-size:16px;cursor:pointer;border:2px solid transparent;transition:.22s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 12px 26px rgba(12,66,38,.28)}
.btn-outline{border-color:rgba(255,255,255,.72);color:#fff;backdrop-filter:blur(2px)}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-light{background:#fff;color:var(--green)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border-color:var(--line);color:var(--green)}
.btn-ghost:hover{background:var(--bg-soft)}

/* ============================================================
   Header / Primary navigation
   ============================================================ */
header.site{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;gap:16px;position:relative}
.brand{display:flex;align-items:center}
.brand img{height:64px;width:auto;display:block}

.menu{display:flex;align-items:center;gap:2px;list-style:none}
.menu > li{list-style:none;position:relative}
.menu > li > a{padding:10px 14px;font-weight:600;font-size:15.5px;border-radius:10px;display:flex;align-items:center;gap:6px;white-space:nowrap;color:var(--ink)}
.menu > li > a:hover{background:var(--bg-soft);color:var(--green)}
.menu li.menu-item-has-children > a::after{content:" \25BE";font-size:9px;opacity:.55;margin-left:2px}

/* Dropdown sub-menus (WordPress outputs .sub-menu) */
.menu .sub-menu{position:absolute;top:100%;left:0;min-width:300px;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;list-style:none;z-index:50}
.menu li:hover > .sub-menu,
.menu li:focus-within > .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.menu .sub-menu a{display:block;padding:12px 14px;border-radius:10px;font-size:14.5px;font-weight:500;line-height:1.4;color:var(--ink)}
.menu .sub-menu a:hover{background:var(--bg-soft);color:var(--green)}
.menu .sub-menu li{list-style:none}

.hamburger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.hamburger span{width:26px;height:2px;background:var(--green);border-radius:2px}

/* ============================================================
   Hero (homepage, with photographic backdrop)
   ============================================================ */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden;isolation:isolate}
.hero .bg{position:absolute;inset:0;z-index:-2;background:url('images/hero-landscape.jpg') center 62%/cover no-repeat;transform:scale(1.03)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(102deg,rgba(7,40,24,.93) 0%,rgba(9,52,30,.80) 36%,rgba(11,62,36,.50) 66%,rgba(27,117,188,.28) 100%),
  linear-gradient(0deg,rgba(7,40,24,.48) 0%,transparent 45%)}
.hero .wrap{position:relative;z-index:2;padding:96px 24px 88px}
.hero h1{font-size:clamp(38px,5.6vw,68px);max-width:17ch;margin:16px 0 22px;font-weight:600}
.hero .sub{font-size:clamp(17px,2.1vw,21px);max-width:52ch;color:#E7F2E9;margin-bottom:38px;font-weight:450;line-height:1.6}
.hero .cta{display:flex;gap:16px;flex-wrap:wrap}
.hero .eyebrow{color:#B9E3A6}

/* ============================================================
   Mission bar
   ============================================================ */
.mission{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.mission .wrap{display:flex;align-items:center;justify-content:space-between;gap:48px;padding-top:58px;padding-bottom:58px;flex-wrap:wrap}
.mission .lead{font-family:var(--serif);font-size:clamp(20px,2.3vw,26px);font-weight:600;max-width:34ch;color:var(--green);line-height:1.4}
.mission .stats{display:flex;gap:46px;flex-wrap:wrap}
.stat .num{font-family:var(--serif);font-size:clamp(26px,3.4vw,36px);font-weight:700;color:var(--blue);line-height:1.1}
.stat .lab{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-top:4px}

/* ============================================================
   Sections
   ============================================================ */
section.block{padding:92px 0}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{font-size:clamp(28px,3.8vw,44px);margin:12px 0 16px}
.sec-head p{color:var(--muted);font-size:18px}

/* About (image + text) */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-media img{width:100%;height:100%;display:block;object-fit:cover;object-position:center 45%;aspect-ratio:4/3.2}
.about-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(12,66,38,.28))}
.about-text h2{font-size:clamp(28px,3.6vw,40px);margin:12px 0 18px}
.about-text p{color:#41504A;margin-bottom:16px}
.about-list{list-style:none;margin:22px 0 28px;display:grid;gap:12px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:16.5px}
.about-list svg{flex:0 0 22px;margin-top:3px;color:var(--leaf)}
.about-facts{display:flex;gap:40px;flex-wrap:wrap;margin-top:8px}
.about-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}

/* Three pillars (image cards) — homepage */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.24s;display:flex;flex-direction:column}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.pillar .thumb{height:200px;background-size:cover;background-position:center 42%;position:relative}
.pillar .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,66,38,.06) 0%,rgba(12,66,38,.34) 100%)}
.pillar .body{padding:28px 28px 32px;display:flex;flex-direction:column;gap:14px;flex:1}
.pillar .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.pillar h3{font-size:21.5px;line-height:1.25}
.pillar p{color:var(--muted);font-size:15.5px;flex:1}
.pillar .more{font-family:var(--font);font-weight:700;color:var(--green);display:inline-flex;gap:6px;align-items:center;font-size:15px}
.pillar:hover .more{gap:10px}
.more{transition:.2s}
.ic-green{background:rgba(12,66,38,.10);color:var(--green)}
.ic-blue{background:rgba(27,117,188,.12);color:var(--blue)}
.ic-leaf{background:rgba(95,168,61,.14);color:#3f7d27}

/* Event highlight (photo + text) */
.event{display:grid;grid-template-columns:1.15fr .85fr;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#fff}
.event .ph{background:url('images/event-symposium.jpg') center 38%/cover no-repeat;min-height:360px;position:relative}
.event .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(12,66,38,.16))}
.event .body{padding:52px 46px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.event .meta{font-family:var(--font);font-weight:700;color:var(--blue);font-size:13.5px;letter-spacing:.06em;text-transform:uppercase}
.event h3{font-size:29px}
.event p{color:var(--muted)}

/* CTA bar (photographic) */
.cta-bar{position:relative;color:#fff;text-align:center;padding:96px 24px;background:
  linear-gradient(rgba(8,44,26,.88),rgba(8,44,26,.92)),
  url('images/nature-wetland.jpg') center 55%/cover no-repeat}
.cta-bar h2{font-size:clamp(27px,3.9vw,42px);margin-bottom:26px;max-width:22ch;margin-left:auto;margin-right:auto}
.cta-bar .btn-light{padding:16px 36px;font-size:17px}

/* ============================================================
   Page hero (inner pages: pillar template + generic pages)
   ============================================================ */
.page-hero{position:relative;color:#fff;padding:86px 0 76px;overflow:hidden;isolation:isolate}
.page-hero .bg{position:absolute;inset:0;z-index:-2;background:url('images/hero-landscape.jpg') center 58%/cover no-repeat}
.page-hero--energy .bg{background:url('images/page-hero-energy.jpg') center 58%/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,rgba(7,40,24,.94) 0%,rgba(9,52,30,.84) 45%,rgba(27,117,188,.42) 100%)}
.crumbs{font-size:14px;color:#BFD8C8;margin-bottom:20px;font-family:var(--font)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.page-hero h1{font-size:clamp(32px,4.8vw,54px);margin-bottom:18px;max-width:20ch}
.page-hero p.lead{font-size:clamp(17px,2.1vw,21px);max-width:58ch;color:#E7F2E9;font-weight:450}

/* Inner page layout (pillar template) */
.layout{display:grid;grid-template-columns:1fr 348px;gap:56px;padding:70px 0}
.main h2{font-size:27px;margin:44px 0 16px;color:var(--green)}
.main h2:first-child{margin-top:0}
.main p{color:#2E3A34;margin-bottom:16px}
.main ul{margin:0 0 16px 22px;color:#2E3A34}
.main li{margin-bottom:10px}
.main figure{margin:32px 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.main figure img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;object-position:center 45%}
.main figcaption{font-size:13.5px;color:var(--muted);padding:12px 4px 0;font-family:var(--font)}
.empty-note{background:var(--bg-soft);border:1px dashed var(--line);border-radius:12px;padding:24px 26px;color:var(--muted);font-style:italic}

/* Generic page content (page.php / single.php) */
.page-content{max-width:820px;margin:0 auto;padding:72px 0;font-size:18px;color:#2E3A34}
.page-content h2{font-size:29px;margin:36px 0 14px;color:var(--green)}
.page-content h3{font-size:22px;margin:28px 0 12px;color:var(--green)}
.page-content p{margin-bottom:18px}
.page-content ul,.page-content ol{margin:0 0 18px 22px}
.page-content li{margin-bottom:10px}
.page-content a{color:var(--blue);text-decoration:underline}
.page-content a:hover{color:var(--green)}

/* Sidebar (pillar template) */
aside .card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:22px}
aside .card h3{font-size:19px;margin-bottom:10px;color:var(--green)}
aside .card p{color:var(--muted);font-size:15px}
aside .card .meta{font-family:var(--font);font-weight:700;color:var(--blue);font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}
aside .card-thumb{height:150px;border-radius:12px;margin:-8px -8px 16px;background:url('images/event-symposium.jpg') center 42%/cover no-repeat}
aside .contact-card{background:var(--green);color:#fff}
aside .contact-card h3{color:#fff}
aside .contact-card p{color:#DCEAE0}
aside .contact-card .btn-light{margin-top:10px;display:inline-flex}

/* Explore other pillars */
.explore{background:var(--bg-soft);padding:70px 0}
.explore h2{font-size:29px;margin-bottom:30px;color:var(--green)}
.explore .pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.explore .pillar .thumb{height:158px}

/* ============================================================
   Footer
   ============================================================ */
footer.site{background:var(--green);color:#DCEAE0;padding:68px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
footer h4{color:#fff;font-family:var(--font);font-size:13.5px;letter-spacing:.10em;margin-bottom:18px;text-transform:uppercase;font-weight:700}
footer a{color:#DCEAE0;display:block;padding:5px 0;font-size:15px}
footer a:hover{color:#fff;text-decoration:underline}
footer .org{font-size:15px;line-height:1.75}
footer .org strong{color:#fff;display:block;font-size:17px;margin-bottom:8px;font-family:var(--serif);font-weight:600}
footer .foot-logo{height:56px;width:auto;margin-bottom:18px;padding:9px 13px;border-radius:10px}
.sub-form{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.sub-form input{flex:1;min-width:180px;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-family:var(--font)}
.sub-form input::placeholder{color:#A9C4B4}
.sub-form .consent{font-size:12px;color:#A9C4B4;margin-top:10px;width:100%;line-height:1.5}
.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:44px;padding-top:22px;font-size:14px;color:#A9C4B4;text-align:center}

/* ============================================================
   About detail modal (scrollable overlay)
   ============================================================ */
body.modal-open{overflow:hidden}
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.open{display:flex;align-items:flex-start;justify-content:center;overflow-y:auto;padding:7vh 20px}
.modal-overlay{position:fixed;inset:0;background:rgba(7,28,18,.55);backdrop-filter:blur(3px)}
.modal-panel{position:relative;background:#fff;border-radius:20px;max-width:780px;width:100%;box-shadow:0 40px 90px rgba(8,40,24,.38);max-height:86vh;display:flex;flex-direction:column;overflow:hidden}
.modal-close{position:absolute;top:14px;right:16px;width:42px;height:42px;border:0;border-radius:50%;background:var(--bg-soft);color:var(--green);font-size:28px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;transition:.2s}
.modal-close:hover{background:var(--green);color:#fff}
.modal-body{padding:46px 50px 54px;overflow-y:auto}
.modal-body .eyebrow{margin-bottom:10px}
.modal-body h2{font-size:clamp(26px,4vw,38px);margin:10px 0 22px;color:var(--green);line-height:1.18}
.modal-body p{margin-bottom:18px;color:#33433C;font-size:17px;line-height:1.82}

/* ============================================================
   Responsive
   ============================================================ */
@media(max-width:1024px){
  .menu > li > a{padding:10px 10px;font-size:15px}
}
@media(max-width:900px){
  .pillars{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .event{grid-template-columns:1fr}
  .event .ph{min-height:240px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .layout{grid-template-columns:1fr;gap:36px}
  .explore .pillars{grid-template-columns:1fr}
  .hero{min-height:76vh}
  .mission .wrap{flex-direction:column;align-items:flex-start;gap:28px}
  .mission .stats{gap:32px}

  /* Single responsive menu (same .menu, toggled by hamburger) */
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;box-shadow:var(--shadow-lg);border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .menu > li{border-bottom:1px solid var(--bg-soft)}
  .menu > li > a{justify-content:flex-start;border-bottom:0;padding:13px 4px}
  .menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 14px;min-width:0;background:transparent}
  .menu .sub-menu a{padding:10px 4px}
  .hamburger{display:flex}
}
@media(max-width:560px){
  .foot-grid{grid-template-columns:1fr}
  section.block{padding:64px 0}
  .modal-body{padding:34px 24px 40px}
}
@media(min-width:901px){.menu.open{display:flex}}

/* ============================================================
   Phase-2 additions: tables, contact form, focus grid, event list
   ============================================================ */

/* Generic info/definition table (About / Contact / Event pages) */
.evi-table{width:100%;border-collapse:collapse;margin:8px 0 28px;font-size:16px}
.evi-table th,.evi-table td{text-align:left;vertical-align:top;padding:13px 16px;border-bottom:1px solid var(--line)}
.evi-table th{width:230px;color:var(--green);font-family:var(--font);font-weight:700;background:var(--bg-soft)}
.evi-table tr:last-child th,.evi-table tr:last-child td{border-bottom:0}
.evi-table a{color:var(--blue);text-decoration:underline}
.evi-table.agenda td:first-child{white-space:nowrap;font-weight:700;color:var(--ink)}

/* Focus areas grid (About page — six threads) */
.focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:18px 0 30px}
.focus-item{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;display:flex;flex-direction:column;gap:6px}
.focus-item .num{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--leaf)}
.focus-item h3{font-size:18.5px;line-height:1.3;color:var(--green)}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{font-size:29px;margin-bottom:18px;color:var(--green)}
.contact-note{margin-top:18px;color:var(--muted);font-size:15px}
.evi-form .field{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.evi-form label{font-family:var(--font);font-weight:700;font-size:15px;color:var(--green)}
.evi-form .req{color:#c0392b}
.evi-form input[type=text],.evi-form input[type=email],.evi-form textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;
  font-family:var(--font);font-size:16px;color:var(--ink);background:#fff;transition:.18s}
.evi-form input:focus,.evi-form textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(12,66,38,.12)}
.evi-form textarea{resize:vertical}
.evi-form .consent-row{margin-top:4px}
.evi-form .consent-label{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:15px;color:var(--ink);cursor:pointer}
.evi-form .consent-label input{margin-top:3px;width:18px;height:18px;flex:0 0 auto;accent-color:var(--green)}
.evi-form .hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.evi-form .btn-primary{margin-top:6px}
.form-note{padding:18px 22px;border-radius:12px;margin-bottom:22px;font-size:16px}
.form-note.success{background:rgba(95,168,61,.14);border:1px solid rgba(95,168,61,.4);color:#2f5e1c}
.form-note.error{background:rgba(192,57,43,.10);border:1px solid rgba(192,57,43,.35);color:#a32a1c}

/* Event list cards (Events listing page) */
.event-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.event-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.24s;display:flex;flex-direction:column}
.event-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.event-card .thumb{height:190px;background-size:cover;background-position:center 42%;position:relative}
.event-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,66,38,.06),rgba(12,66,38,.32))}
.event-card .body{padding:26px 28px 30px;display:flex;flex-direction:column;gap:12px;flex:1}
.event-card h3{font-size:21px;line-height:1.25}
.event-card p{color:var(--muted);font-size:15px;flex:1}
.event-card .more{font-family:var(--font);font-weight:700;color:var(--green);font-size:15px}

@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .focus-grid{grid-template-columns:1fr 1fr}
  .event-list{grid-template-columns:1fr}
}
@media(max-width:560px){
  .focus-grid{grid-template-columns:1fr}
}