/*
Theme Name: Anas Yousef Modern V4
Theme URI: https://anasyousef.com/
Author: OpenAI for Anas Yousef
Description: Modern editorial academic portfolio theme for Anas Yousef — research, publications, CV, YouTube channels, playlists, talks and academic photography.
Version: 2.0.0
Requires at least: 6.2
Requires PHP: 7.4
Text Domain: anasyousef
*/
:root{
 --ink:#0f1b2d; --ink2:#24364d; --paper:#f6f3ed; --white:#fff; --muted:#6d7887;
 --line:#d9dee6; --blue:#185ee0; --blue2:#123d8f; --aqua:#62c8d8; --gold:#b58b45;
 --shadow:0 24px 70px rgba(20,35,60,.12); --shadow2:0 10px 36px rgba(20,35,60,.08);
 --radius:28px; --radius-sm:18px; --max:1240px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.68;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}img{max-width:100%;display:block;height:auto}button,input,textarea,select{font:inherit}.ay-container{width:min(var(--max),calc(100% - 44px));margin:auto}.ay-section{padding:100px 0}.ay-section-compact{padding:72px 0}.ay-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.76rem;letter-spacing:.17em;text-transform:uppercase;font-weight:800;color:var(--blue2)}.ay-eyebrow:before{content:"";width:30px;height:2px;background:var(--blue)}.ay-title{font-size:clamp(2.5rem,5.5vw,5.9rem);line-height:.95;letter-spacing:-.058em;margin:20px 0 24px;font-weight:770}.ay-h2{font-size:clamp(2rem,4vw,4rem);line-height:1.02;letter-spacing:-.045em;margin:12px 0 18px}.ay-lead{font-size:clamp(1.05rem,1.7vw,1.28rem);line-height:1.65;color:var(--ink2);max-width:760px}.ay-muted{color:var(--muted)}
.ay-header{position:sticky;top:0;z-index:50;background:rgba(246,243,237,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(15,27,45,.08)}.ay-nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.ay-brand{display:flex;align-items:center;gap:13px;font-weight:850;letter-spacing:-.025em}.ay-brand-mark{width:39px;height:39px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--aqua));color:white;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(24,94,224,.25)}.ay-brand small{display:block;font-weight:600;font-size:.67rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:2px}.ay-menu,.ay-menu ul{list-style:none;margin:0;padding:0}.ay-menu{display:flex;align-items:center;gap:25px}.ay-menu a{font-size:.91rem;font-weight:700;color:var(--ink2)}.ay-menu a:hover{color:var(--blue)}.ay-nav-cta{padding:10px 15px;background:var(--ink);color:#fff!important;border-radius:999px}.ay-mobile-toggle{display:none;background:none;border:0;font-size:1.4rem}
.ay-hero{padding:78px 0 54px;overflow:hidden;position:relative}.ay-hero:before{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(98,200,216,.24),rgba(98,200,216,0));right:-160px;top:-120px;pointer-events:none}.ay-hero-grid{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(330px,.72fr);gap:70px;align-items:center}.ay-hero-copy{position:relative;z-index:2}.ay-hero .ay-title span{color:var(--blue)}.ay-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.ay-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 18px;border-radius:999px;border:1px solid var(--line);font-weight:800;font-size:.92rem;transition:.2s ease}.ay-btn:hover{transform:translateY(-2px)}.ay-btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}.ay-btn-primary:hover{background:var(--blue);border-color:var(--blue);color:#fff}.ay-btn-light{background:rgba(255,255,255,.72)}.ay-social-inline{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:28px;color:var(--muted);font-size:.86rem;font-weight:700}.ay-social-inline a{border-bottom:1px solid transparent}.ay-social-inline a:hover{border-color:var(--blue)}
.ay-portrait-wrap{position:relative;max-width:410px;margin-left:auto}.ay-portrait-card{border-radius:34px;overflow:hidden;background:#ddd;box-shadow:var(--shadow);aspect-ratio:4/5;position:relative}.ay-portrait-card img{width:100%;height:100%;object-fit:cover}.ay-portrait-note{position:absolute;left:-42px;bottom:28px;background:var(--white);padding:17px 19px;border-radius:18px;box-shadow:var(--shadow2);width:215px}.ay-portrait-note strong{display:block;font-size:.91rem}.ay-portrait-note span{font-size:.77rem;color:var(--muted)}.ay-portrait-dot{width:10px;height:10px;border-radius:50%;background:var(--aqua);display:inline-block;margin-right:7px}
.ay-trustbar{margin-top:65px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.ay-trustitem{padding:23px 26px;border-right:1px solid var(--line)}.ay-trustitem:last-child{border-right:0}.ay-trustitem strong{display:block;font-size:1.35rem;letter-spacing:-.035em}.ay-trustitem span{font-size:.79rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.ay-split{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.ay-prose p{font-size:1.08rem;color:var(--ink2);margin:0 0 17px}.ay-signature{font-family:Georgia,serif;font-style:italic;font-size:1.25rem;color:var(--blue2);margin-top:24px}.ay-inline-card{background:var(--white);border:1px solid rgba(15,27,45,.08);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow2)}
.ay-grid{display:grid;gap:22px}.ay-grid-3{grid-template-columns:repeat(3,1fr)}.ay-grid-2{grid-template-columns:repeat(2,1fr)}.ay-card{background:rgba(255,255,255,.76);border:1px solid rgba(15,27,45,.08);border-radius:var(--radius);padding:29px;box-shadow:0 8px 26px rgba(25,40,65,.045);transition:.25s ease}.ay-card:hover{transform:translateY(-5px);box-shadow:var(--shadow2);background:#fff}.ay-card-number{font-size:.74rem;letter-spacing:.15em;text-transform:uppercase;font-weight:900;color:var(--blue);margin-bottom:30px}.ay-card h3{font-size:1.28rem;letter-spacing:-.025em;margin:0 0 12px}.ay-card p{color:var(--muted);margin:0}.ay-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}.ay-tag{background:#eef3fa;border:1px solid #dde7f3;padding:6px 10px;border-radius:999px;font-size:.72rem;font-weight:800;color:var(--ink2)}
.ay-photo-section{background:var(--ink);color:#fff;position:relative;overflow:hidden}.ay-photo-section .ay-lead,.ay-photo-section .ay-muted{color:#b8c6d8}.ay-photo-section .ay-eyebrow{color:#9fe2ea}.ay-photo-mosaic{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:310px 245px;gap:14px;margin-top:44px}.ay-photo{border-radius:22px;overflow:hidden;position:relative;background:#17263d}.ay-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.ay-photo:hover img{transform:scale(1.03)}.ay-photo:nth-child(1){grid-row:1/3}.ay-photo:nth-child(2){grid-column:2/4}.ay-photo .caption{position:absolute;left:14px;bottom:14px;background:rgba(8,18,32,.72);backdrop-filter:blur(10px);padding:9px 11px;border-radius:12px;font-size:.72rem;color:#e6eef7}.ay-photo .caption strong{display:block;font-size:.79rem}.ay-photo .caption span{color:#bdc9d8}
.ay-section-head{display:flex;justify-content:space-between;align-items:end;gap:36px;margin-bottom:38px}.ay-section-head .ay-lead{max-width:560px}.ay-publication{padding:27px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:90px 1fr auto;gap:22px;align-items:start}.ay-publication:last-child{border-bottom:1px solid var(--line)}.ay-pub-year{font-weight:900;color:var(--blue)}.ay-publication h3{margin:0;font-size:1.13rem;line-height:1.38;letter-spacing:-.018em}.ay-pub-meta{color:var(--muted);font-size:.89rem;margin-top:7px}.ay-pub-link{font-weight:800;font-size:.82rem;white-space:nowrap}
.ay-video-feature{display:grid;grid-template-columns:1.08fr .92fr;background:#fff;border-radius:32px;overflow:hidden;box-shadow:var(--shadow2);border:1px solid rgba(15,27,45,.07)}.ay-video-feature-copy{padding:45px}.ay-video-art{min-height:390px;background:linear-gradient(135deg,#0d1b2f,#185ee0);position:relative;display:grid;place-items:center;overflow:hidden}.ay-video-art:before,.ay-video-art:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.2)}.ay-video-art:before{width:310px;height:310px}.ay-video-art:after{width:210px;height:210px}.ay-play{width:88px;height:88px;border-radius:50%;background:white;color:var(--blue);display:grid;place-items:center;font-size:1.8rem;box-shadow:0 15px 45px rgba(0,0,0,.22);z-index:1}.ay-channel-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.ay-profile-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.ay-profile-link{background:white;border:1px solid var(--line);padding:18px 14px;border-radius:16px;font-weight:850;text-align:center;font-size:.84rem}.ay-profile-link:hover{border-color:var(--blue);transform:translateY(-2px)}
.ay-page-hero{padding:84px 0 50px;border-bottom:1px solid var(--line)}.ay-page-content{background:white;border:1px solid rgba(15,27,45,.07);border-radius:28px;padding:45px;box-shadow:var(--shadow2)}.ay-page-content h2{font-size:2rem;letter-spacing:-.04em;margin-top:38px}.ay-page-content h2:first-child{margin-top:0}.ay-page-content p,.ay-page-content li{color:var(--ink2)}.ay-page-content a{color:var(--blue);font-weight:700}.ay-form{display:grid;gap:11px}.ay-form input,.ay-form textarea{width:100%;padding:13px 14px;border-radius:13px;border:1px solid var(--line);background:#fff}.ay-form textarea{min-height:170px}
.ay-video-embed{position:relative;padding-top:56.25%;border-radius:22px;overflow:hidden;background:#000}.ay-video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.ay-video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:28px}
.ay-footer{background:#0b1727;color:#dbe4ee;padding:64px 0 30px}.ay-footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:50px}.ay-footer h3{color:#fff}.ay-footer a{color:#dbe4ee}.ay-footer a:hover{color:#8ce4ee}.ay-footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;color:#94a5b8;font-size:.8rem;display:flex;justify-content:space-between}
@media(max-width:1000px){.ay-hero-grid,.ay-split,.ay-video-feature{grid-template-columns:1fr}.ay-portrait-wrap{margin:20px auto 0;max-width:360px}.ay-photo-mosaic{grid-template-columns:1fr 1fr;grid-template-rows:280px 220px 220px}.ay-photo:nth-child(1){grid-row:auto}.ay-photo:nth-child(2){grid-column:1/3}.ay-grid-3{grid-template-columns:1fr 1fr}.ay-profile-grid{grid-template-columns:repeat(3,1fr)}.ay-footer-grid{grid-template-columns:1fr 1fr}.ay-trustbar{grid-template-columns:repeat(2,1fr)}.ay-trustitem:nth-child(2){border-right:0}.ay-trustitem:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:760px){.ay-container{width:min(100% - 28px,var(--max))}.ay-section{padding:72px 0}.ay-hero{padding-top:48px}.ay-hero-grid{gap:38px}.ay-title{font-size:clamp(3rem,15vw,5.2rem)}.ay-menu{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);padding:20px 22px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.ay-menu.is-open{display:flex}.ay-mobile-toggle{display:block}.ay-nav-cta{background:none;color:var(--ink)!important;padding:0}.ay-portrait-note{left:14px;bottom:14px}.ay-grid-3,.ay-grid-2,.ay-profile-grid,.ay-footer-grid,.ay-video-grid{grid-template-columns:1fr}.ay-photo-mosaic{grid-template-columns:1fr;grid-template-rows:250px 250px 250px 250px}.ay-photo:nth-child(2){grid-column:auto}.ay-section-head{display:block}.ay-publication{grid-template-columns:65px 1fr}.ay-pub-link{grid-column:2}.ay-trustbar{grid-template-columns:1fr}.ay-trustitem{border-right:0;border-bottom:1px solid var(--line)}.ay-trustitem:last-child{border-bottom:0}.ay-page-content{padding:26px}.ay-footer-bottom{display:block}}
/* v3: video library and publication actions */
.ay-channel-embeds{align-items:stretch}.ay-video-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 18px 55px rgba(18,35,54,.08)}.ay-video-copy{padding:24px}.ay-video-copy h2,.ay-video-copy h3{margin:6px 0 8px}.ay-video-frame{position:relative;aspect-ratio:16/9;background:#07131f;overflow:hidden;border-radius:18px}.ay-video-card .ay-video-frame{border-radius:0}.ay-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.ay-video-frame-main{max-width:1100px;margin:0 auto 28px;border-radius:24px;box-shadow:0 22px 60px rgba(18,35,54,.12)}.ay-individual-videos{margin-top:32px}.ay-pub-actions{display:flex;gap:14px;align-items:center;justify-content:flex-end}.ay-pub-link.muted{opacity:.65}.ay-playlist-card{min-height:220px}.ay-page-hero .ay-channel-list{margin-top:24px}.ay-publication h3 a{color:inherit;text-decoration:none}.ay-publication h3 a:hover{color:var(--accent)}
@media(max-width:760px){.ay-pub-actions{justify-content:flex-start}.ay-publication{grid-template-columns:1fr}.ay-video-copy{padding:18px}}

/* V4 — research identity, gallery and live YouTube library */
.ay-page-hero--split{padding:8rem 0 4rem;background:linear-gradient(180deg,#f7f8fb 0%,#fff 100%)}
.ay-page-hero--split .ay-container{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:4rem;align-items:end}
.ay-kicker{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:#61708a;margin-bottom:1rem}
.ay-display{font-size:clamp(3rem,7vw,6.3rem);line-height:.92;letter-spacing:-.055em;margin:0;color:#10213b}
.ay-display em{font-style:normal;color:#356df3}
.ay-intro-xl{font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.7;color:#526078;max-width:760px;margin:1.5rem 0 0}
.ay-profile-panel{background:#10213b;color:#fff;border-radius:28px;padding:2rem;box-shadow:0 25px 60px rgba(18,33,59,.15)}
.ay-profile-panel .ay-kicker{color:#8fb0ff}.ay-profile-panel h3{font-size:1.6rem;margin:.2rem 0 .8rem}.ay-profile-panel p{color:#c9d3e5;line-height:1.7}
.ay-profile-list{display:grid;gap:.65rem;margin-top:1.3rem}.ay-profile-list a{display:flex;justify-content:space-between;gap:1rem;color:#fff;text-decoration:none;padding:.85rem 0;border-top:1px solid rgba(255,255,255,.14)}
.ay-profile-list a span{color:#9eb8f7}
.ay-interest-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.ay-interest{border:1px solid #e6eaf1;border-radius:22px;padding:1.4rem;background:#fff;min-height:180px}.ay-interest strong{display:block;font-size:1.05rem;margin:.8rem 0 .55rem;color:#15243d}.ay-interest p{margin:0;color:#647086;line-height:1.6;font-size:.95rem}.ay-interest .num{font:700 .78rem/1 sans-serif;letter-spacing:.12em;color:#356df3}
.ay-gallery-grid{columns:3 300px;column-gap:1.25rem}.ay-gallery-item{break-inside:avoid;margin:0 0 1.25rem;border-radius:22px;overflow:hidden;position:relative;background:#eef1f6}.ay-gallery-item img{width:100%;height:auto;display:block;transition:transform .6s cubic-bezier(.2,.7,.2,1)}.ay-gallery-item:hover img{transform:scale(1.025)}.ay-gallery-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.8rem 1.1rem 1rem;color:#fff;background:linear-gradient(transparent,rgba(7,15,28,.78));font-size:.9rem}.ay-gallery-item figcaption strong{display:block;font-size:1rem;margin-bottom:.2rem}
.ay-channel-strip{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.ay-channel-banner{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;border:1px solid #e3e7ee;border-radius:24px;padding:1.3rem 1.4rem;background:#fff}.ay-channel-banner h3{margin:0 0 .25rem}.ay-channel-banner p{margin:0;color:#6d788b}.ay-channel-icon{width:54px;height:54px;border-radius:18px;background:#10213b;color:white;display:grid;place-items:center;font-weight:800}
.ay-series-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.3rem}.ay-series-card{border:1px solid #e5e9f0;border-radius:24px;background:#fff;overflow:hidden;transition:.25s transform,.25s box-shadow}.ay-series-card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(17,30,52,.1)}.ay-series-thumb{aspect-ratio:16/9;background:#e9edf4;overflow:hidden;position:relative}.ay-series-thumb img{width:100%;height:100%;object-fit:cover;display:block}.ay-series-thumb .ay-series-count{position:absolute;right:.7rem;bottom:.7rem;background:rgba(8,18,34,.88);color:#fff;border-radius:999px;padding:.35rem .65rem;font-size:.75rem}.ay-series-body{padding:1.2rem}.ay-series-body h3{font-size:1.1rem;line-height:1.35;margin:0 0 .55rem}.ay-series-body p{margin:0;color:#6b7587;font-size:.92rem;line-height:1.55}.ay-series-link{display:inline-block;margin-top:1rem;font-weight:700;text-decoration:none;color:#245bd8}
.ay-video-library-head{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:2rem}.ay-video-player-shell{background:#0a1220;border-radius:26px;padding:1rem;box-shadow:0 25px 60px rgba(8,18,32,.18)}.ay-video-player-shell iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:18px}.ay-video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem;margin-top:2rem}.ay-video-tile{border:1px solid #e4e8ef;border-radius:20px;overflow:hidden;background:#fff}.ay-video-tile button{all:unset;display:block;cursor:pointer;width:100%}.ay-video-tile img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.ay-video-tile .copy{padding:1rem}.ay-video-tile h4{margin:0;font-size:.98rem;line-height:1.45;color:#17253c}.ay-youtube-note{padding:1rem 1.2rem;border-radius:16px;background:#f3f6fb;color:#58657a;font-size:.9rem;line-height:1.6;margin-top:1.25rem}
.ay-empty-state{border:1px dashed #cdd5e2;border-radius:22px;padding:2rem;color:#5e6a7e;background:#fafbfc}.ay-empty-state strong{display:block;color:#15243d;margin-bottom:.45rem}
.ay-about-photo{max-width:360px;border-radius:26px;overflow:hidden;box-shadow:0 24px 55px rgba(12,28,53,.12)}.ay-about-photo img{display:block;width:100%;height:auto}.ay-about-split{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:4rem;align-items:start}
.ay-prose-large{font-size:1.08rem;line-height:1.9;color:#47566c}.ay-prose-large h2{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.04em;color:#13233d;margin:2.7rem 0 1rem}.ay-prose-large h2:first-child{margin-top:0}
@media(max-width:950px){.ay-page-hero--split .ay-container,.ay-about-split{grid-template-columns:1fr}.ay-profile-panel{max-width:620px}.ay-interest-grid{grid-template-columns:1fr 1fr}.ay-series-grid,.ay-video-grid{grid-template-columns:1fr 1fr}.ay-channel-strip{grid-template-columns:1fr}}
@media(max-width:620px){.ay-interest-grid,.ay-series-grid,.ay-video-grid{grid-template-columns:1fr}.ay-gallery-grid{columns:1}.ay-display{font-size:3.1rem}.ay-page-hero--split{padding-top:6.2rem}}