/*
Theme Name: Whiteboard Studio
Theme URI: https://example.org/whiteboard-studio
Author: Whiteboard AI Studio contributors
Description: A clean portrait-video studio theme inspired by hand-drawn teaching visuals and course cards.
Version: 0.1.0
Requires at least: 6.4
Requires PHP: 8.0
License: MIT
License URI: https://opensource.org/license/mit
Text Domain: whiteboard-studio
Tags: education, custom-logo, custom-menu, editor-style
*/
:root { --wb-ink:#122039; --wb-navy:#0d1930; --wb-paper:#fff; --wb-soft:#f4f7fa; --wb-muted:#6d788c; --wb-cyan:#39c7d2; --wb-coral:#e85c50; --wb-line:#e5eaf0; --wb-blue:#2e86c5; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--wb-ink); background:#fbfcfd; font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif; font-size:16px; line-height:1.6; }
a { color:inherit; }
.site-shell { min-height:100vh; display:flex; flex-direction:column; }
.site-header { width:min(1160px, calc(100% - 40px)); margin:0 auto; min-height:82px; display:flex; align-items:center; justify-content:space-between; gap:25px; }
.brand-link { display:flex; align-items:center; gap:12px; color:var(--wb-ink); text-decoration:none; font-weight:800; letter-spacing:-.04em; font-size:18px; }
.brand-mark { width:34px; height:34px; display:grid; place-items:center; color:var(--wb-navy); background:linear-gradient(135deg,#4bd3da,#76e3c6); border-radius:11px; font-size:17px; box-shadow:0 6px 16px rgba(25,155,168,.2); }
.main-navigation { display:flex; align-items:center; gap:26px; color:#6d788c; font-size:13px; font-weight:650; }
.main-navigation ul { display:flex; align-items:center; gap:26px; list-style:none; margin:0; padding:0; }
.main-navigation li { margin:0; padding:0; }
.main-navigation a { text-decoration:none; }
.main-navigation a:hover { color:var(--wb-ink); }
.header-cta,.button-link { display:inline-flex; align-items:center; justify-content:center; min-height:43px; padding:0 17px; color:#fff !important; background:var(--wb-coral); border:1px solid var(--wb-coral); border-radius:10px; text-decoration:none; font-size:13px; font-weight:750; box-shadow:0 8px 18px rgba(232,92,80,.17); }
.header-cta:hover,.button-link:hover { background:#d94f44; border-color:#d94f44; }
.hero { position:relative; overflow:hidden; width:min(1160px, calc(100% - 40px)); margin:16px auto 0; padding:72px 68px 60px; color:#fff; background:radial-gradient(ellipse at 82% 25%,rgba(61,211,220,.2),transparent 29%),linear-gradient(125deg,#0c1830,#112443); border-radius:28px; }
.hero::after { content:""; position:absolute; right:-80px; bottom:-140px; width:420px; height:420px; border:1px solid rgba(96,214,220,.17); border-radius:50%; box-shadow:0 0 0 35px rgba(96,214,220,.035),0 0 0 75px rgba(96,214,220,.025); }
.hero-content { position:relative; z-index:1; max-width:640px; }
.eyebrow { display:inline-flex; align-items:center; gap:8px; margin:0 0 18px; color:#5adddf; font-size:11px; line-height:1; font-weight:800; letter-spacing:.16em; text-transform:uppercase; }
.eyebrow-dot { width:7px; height:7px; border-radius:50%; background:#5adddf; box-shadow:0 0 0 5px rgba(90,221,223,.12); }
.hero h1 { max-width:630px; margin:0; font-size:clamp(36px,5vw,62px); line-height:1.04; letter-spacing:-.055em; color:#fff; }
.hero h1 em { color:#58d5dc; font-style:normal; }
.hero-copy { max-width:510px; margin:21px 0 28px; color:#c5d1e1; font-size:16px; }
.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:13px; }
.button-outline { display:inline-flex; align-items:center; justify-content:center; min-height:43px; padding:0 17px; color:#eaf7fa; background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.21); border-radius:10px; text-decoration:none; font-size:13px; font-weight:700; }
.hero-note { margin:15px 0 0; color:#91a2ba; font-size:11px; }
.hero-demo { position:absolute; z-index:1; top:50%; right:6%; width:285px; transform:translateY(-48%) rotate(2deg); padding:18px; color:var(--wb-ink); background:#fff; border:1px solid rgba(255,255,255,.75); border-radius:19px; box-shadow:0 25px 60px rgba(0,0,0,.24); }
.demo-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; color:#7e899b; font-size:10px; font-weight:800; letter-spacing:.1em; text-transform:uppercase; }
.demo-pill { width:42px; height:8px; background:#e6f6f7; border-radius:99px; }
.demo-card { padding:14px; background:#f8fafc; border:1px solid #e6ebf1; border-radius:12px; }
.demo-title { margin:0 0 10px; font-size:15px; font-weight:800; letter-spacing:-.03em; }
.demo-diagram { height:110px; position:relative; display:flex; align-items:center; justify-content:center; gap:15px; margin:8px 0 11px; background:#fff; border-radius:9px; }
.demo-node { display:grid; place-items:center; width:42px; height:42px; color:#213148; background:#f0f9fa; border:2px solid #46bdc8; border-radius:50%; font-size:11px; font-weight:800; }
.demo-arrow { width:33px; height:2px; background:#e85c50; position:relative; }
.demo-arrow::after { content:""; position:absolute; right:-1px; top:-4px; border-left:7px solid #e85c50; border-top:5px solid transparent; border-bottom:5px solid transparent; }
.demo-lines span { display:block; width:100%; height:7px; margin-top:7px; background:#e8edf2; border-radius:99px; }
.demo-lines span:last-child { width:66%; }
.demo-footer { display:flex; align-items:center; justify-content:space-between; margin-top:13px; color:#79869a; font-size:10px; }
.demo-progress { display:flex; gap:4px; }
.demo-progress i { width:6px; height:6px; background:#dfe7ee; border-radius:50%; }
.demo-progress i:first-child { background:#e85c50; }
.section { width:min(1160px, calc(100% - 40px)); margin:0 auto; padding:60px 0; }
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:22px; margin-bottom:25px; }
.section-heading h2 { margin:0; font-size:30px; line-height:1.15; letter-spacing:-.045em; }
.section-heading p { max-width:455px; margin:0; color:var(--wb-muted); font-size:13px; }
.feature-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.feature-card { padding:22px; background:#fff; border:1px solid var(--wb-line); border-radius:17px; box-shadow:0 8px 24px rgba(21,42,70,.035); }
.feature-icon { display:grid; place-items:center; width:42px; height:42px; margin-bottom:17px; color:#126f82; background:#e8f8fa; border-radius:13px; font-size:18px; font-weight:850; }
.feature-card:nth-child(2) .feature-icon { color:#a83e36; background:#fff0ed; }
.feature-card:nth-child(3) .feature-icon { color:#3c55a2; background:#eff1ff; }
.feature-card h3 { margin:0 0 7px; font-size:16px; letter-spacing:-.02em; }
.feature-card p { margin:0; color:var(--wb-muted); font-size:13px; line-height:1.6; }
.workflow { display:grid; grid-template-columns:repeat(4,1fr); gap:0; padding:24px; background:#f2f7f9; border:1px solid #e4eef1; border-radius:18px; }
.workflow-step { position:relative; padding:8px 18px; }
.workflow-step:not(:last-child)::after { content:"→"; position:absolute; top:16px; right:-2px; color:#8aa0b1; font-size:17px; }
.workflow-step b { display:block; margin-bottom:5px; color:#1f6e82; font-size:11px; letter-spacing:.08em; text-transform:uppercase; }
.workflow-step span { display:block; color:#59667b; font-size:12px; }
.cta-band { width:min(1160px, calc(100% - 40px)); margin:4px auto 65px; padding:30px 34px; display:flex; align-items:center; justify-content:space-between; gap:20px; background:#fff; border:1px solid var(--wb-line); border-radius:18px; }
.cta-band h2 { margin:0 0 4px; font-size:21px; letter-spacing:-.03em; }
.cta-band p { margin:0; color:var(--wb-muted); font-size:13px; }
.site-footer { width:min(1160px, calc(100% - 40px)); margin:auto auto 0; padding:22px 0; display:flex; align-items:center; justify-content:space-between; gap:15px; border-top:1px solid var(--wb-line); color:#7b8799; font-size:11px; }
.site-footer a { color:inherit; text-decoration:none; }
.content-area { width:min(840px, calc(100% - 40px)); margin:40px auto 70px; padding:28px; background:#fff; border:1px solid var(--wb-line); border-radius:16px; }
.content-area h1 { letter-spacing:-.04em; }
.skip-link { position:absolute; left:-9999px; }
.skip-link:focus { left:12px; top:12px; z-index:999; padding:10px 15px; color:#fff; background:#000; }
@media (max-width:900px) { .hero { padding:54px 38px; } .hero-demo { right:4%; width:230px; opacity:.94; } .hero-content { max-width:55%; } .hero h1 { font-size:46px; } .feature-grid { grid-template-columns:1fr; } }
@media (max-width:650px) { .site-header { width:calc(100% - 28px); min-height:68px; } .main-navigation { display:none; } .hero { width:calc(100% - 24px); min-height:610px; padding:37px 25px; } .hero-content { max-width:100%; } .hero h1 { font-size:43px; } .hero-copy { font-size:14px; } .hero-demo { top:auto; right:50%; bottom:28px; width:min(285px,calc(100% - 46px)); transform:translateX(50%) rotate(1deg); } .section,.cta-band,.site-footer { width:calc(100% - 28px); } .section { padding:45px 0; } .section-heading { display:block; } .section-heading p { margin-top:10px; } .workflow { grid-template-columns:1fr 1fr; gap:12px; padding:15px; } .workflow-step { padding:7px; } .workflow-step::after { display:none; } .cta-band { align-items:flex-start; flex-direction:column; padding:23px; } .site-footer { align-items:flex-start; flex-direction:column; } }