/* ============================================================ layout.css — VidForge AI Scope: Structural rules only — header, footer, page wrappers, container system, grid scaffolding. Rule: Zero raw hex. Zero component-level rules (those live in components.css). Consume semantic/component tokens only. Load order: tokens.css → base.css → layout.css → components.css ============================================================ */ /* ════════════════════════════════════════════════════════════ 1. CONTAINER SYSTEM ════════════════════════════════════════════════════════════ */ .container { width: 100%; max-width: var(--container-max); /* 1200px */ margin-inline: auto; padding-inline: var(--page-px); /* clamp(16px, 5vw, 80px) */ } .container--wide { max-width: var(--container-wide); /* 1440px */ } .container--narrow { max-width: var(--container-narrow); /* 560px */ } /* Push page content below the fixed header on every page */ .page-main { padding-top: var(--nav-height); /* 72px */ } /* ════════════════════════════════════════════════════════════ 2. SITE HEADER ════════════════════════════════════════════════════════════ */ /* ── Base state ─────────────────────────────────────────── */ .site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height); /* 72px — locked via token */ z-index: 1000; /* Glassmorphism — GFD §3.6 background is intentionally semi-transparent so the mesh gradient on bleeds through at page top */ background: rgba(13, 13, 13, 0.75); backdrop-filter: blur(20px) saturate(1.6); -webkit-backdrop-filter: blur(20px) saturate(1.6); border-bottom: 1px solid var(--border-subtle); transition: var(--transition-base); } /* ── Scrolled state — applied by layout.js initScrollHeader() */ .site-header.scrolled { background: rgba(13, 13, 13, 0.92); border-bottom-color: var(--border-default); } /* ── Inner flex row ─────────────────────────────────────── */ .header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: var(--primitive-space-6); } /* ── Logo ───────────────────────────────────────────────── */ .header-logo { flex-shrink: 0; display: flex; align-items: center; color: inherit; } /* Logo PNG white-bg treatment on dark header */ .header-logo img { background: var(--primitive-white-warm); border-radius: var(--primitive-radius-md); padding: 4px 8px; display: block; } /* Footer logo — same treatment on dark surface */ .footer-logo-link img { background: var(--primitive-white-warm); border-radius: var(--primitive-radius-md); padding: 4px 8px; display: block; } .header-logo img { display: block; } /* ── Desktop Navigation ─────────────────────────────────── */ .header-nav { display: flex; align-items: center; gap: var(--primitive-space-6); } .nav-link { font-size: var(--text-body-md); font-weight: 500; color: var(--text-secondary); letter-spacing: 0; transition: var(--transition-fast); /* Prevent underline from base.css a:hover */ text-decoration: none; } .nav-link:hover { color: var(--text-primary); } .nav-link--active { color: var(--text-primary); font-weight: 600; } /* ── Header Action Group ─────────────────────────────────── */ .header-actions { display: flex; align-items: center; gap: var(--primitive-space-3); flex-shrink: 0; } /* ── Mobile Toggle Button ───────────────────────────────── */ .mobile-menu-btn { display: none; /* Hidden on desktop */ flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 40px; height: 40px; padding: var(--primitive-space-2); background: none; border: none; border-radius: var(--primitive-radius-md); cursor: pointer; flex-shrink: 0; transition: var(--transition-fast); } .mobile-menu-btn:hover { background: var(--bg-hover); } /* ── Hamburger bars — pure CSS spans ───────────────────── */ .hamburger-bar { display: block; width: 22px; height: 2px; background-color: var(--text-primary); border-radius: var(--primitive-radius-pill); transition: var(--transition-base); transform-origin: center; } /* Animate to X when drawer is open */ .mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); } .mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(2) { opacity: 0; transform: scaleX(0); } .mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); } /* ════════════════════════════════════════════════════════════ 3. MOBILE DRAWER ════════════════════════════════════════════════════════════ */ .mobile-drawer { /* Hidden by default — display:none prevents interaction and removes it from the accessibility tree until opened */ display: none; opacity: 0; transform: translateY(-12px); position: fixed; top: var(--nav-height); /* Sits flush below the header */ left: 0; right: 0; /* Stops just above the fold so it doesn't cover the whole viewport */ max-height: calc(100vh - var(--nav-height)); overflow-y: auto; background: var(--bg-surface); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); padding: var(--primitive-space-6) var(--page-px); flex-direction: column; gap: var(--primitive-space-2); z-index: 999; transition: opacity var(--primitive-duration-base) var(--primitive-ease-standard), transform var(--primitive-duration-base) var(--primitive-ease-spring); } /* Open state — toggled by layout.js setDrawerState() */ .mobile-drawer.drawer--open { display: flex; opacity: 1; transform: translateY(0); } /* Nav links inside drawer — stacked, full-width */ .mobile-nav-link { display: block; padding: var(--primitive-space-3) var(--primitive-space-2); font-size: var(--text-body-lg); font-weight: 500; color: var(--text-secondary); border-radius: var(--primitive-radius-md); transition: var(--transition-fast); } .mobile-nav-link:hover, .mobile-nav-link.nav-link--active { color: var(--text-primary); background: var(--bg-hover); } /* Drawer divider before the CTA buttons */ .mobile-drawer-cta { display: flex; flex-direction: column; gap: var(--primitive-space-3); margin-top: var(--primitive-space-4); padding-top: var(--primitive-space-4); border-top: 1px solid var(--border-subtle); } /* ════════════════════════════════════════════════════════════ 4. RESPONSIVE — Header Breakpoints (GFD §10) ════════════════════════════════════════════════════════════ */ @media (max-width: 768px) { /* Hide desktop nav and actions — drawer takes over */ .header-nav, .header-actions { display: none; } /* Show the hamburger toggle */ .mobile-menu-btn { display: flex; } } @media (max-width: 480px) { .header-logo img { /* Slightly smaller logo on smallest screens */ width: 120px; height: auto; } } /* ════════════════════════════════════════════════════════════ 5. SITE FOOTER ════════════════════════════════════════════════════════════ */ .site-footer { background: var(--bg-surface); border-top: 1px solid var(--border-subtle); padding-block: var(--primitive-space-16) var(--primitive-space-8); /* Ensures footer sticks to the bottom on short pages */ margin-top: auto; } /* ── 3-column grid ──────────────────────────────────────── */ .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--primitive-space-12); padding-bottom: var(--primitive-space-8); border-bottom: 1px solid var(--border-subtle); margin-bottom: var(--primitive-space-8); } /* ── Column 1 — Brand ───────────────────────────────────── */ .footer-brand { display: flex; flex-direction: column; gap: var(--primitive-space-4); } .footer-logo-link { display: inline-flex; align-items: center; width: fit-content; /* Suppress the global accent link colour — logo stands alone */ color: inherit; } .footer-logo-link img { display: block; } .footer-tagline { font-size: var(--text-body-md); color: var(--text-tertiary); line-height: 1.6; max-width: 280px; } /* ── Columns 2 & 3 — Link groups ────────────────────────── */ .footer-col { display: flex; flex-direction: column; gap: var(--primitive-space-4); } .footer-heading { /* Override h4 from base.css — footer label needs eyebrow treatment */ font-family: var(--primitive-font-body); font-size: var(--text-eyebrow); font-weight: 600; text-transform: uppercase; letter-spacing: 0.10em; color: var(--text-tertiary); line-height: 1; /* Reset h4 default margin */ margin: 0; } .footer-links { display: flex; flex-direction: column; gap: var(--primitive-space-3); } .footer-link { font-size: var(--text-body-md); font-weight: 400; color: var(--text-secondary); text-decoration: none; transition: var(--transition-fast); /* Inline-block so the hover underline grows from left */ width: fit-content; } .footer-link:hover { color: var(--text-primary); } .footer-link:focus-visible { color: var(--text-primary); border-radius: var(--primitive-radius-sm); } /* ── Bottom bar ──────────────────────────────────────────── */ .footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--primitive-space-3); } .footer-copyright { font-size: var(--text-body-sm); color: var(--text-tertiary); line-height: 1.5; } /* ════════════════════════════════════════════════════════════ 6. RESPONSIVE — Footer Breakpoints (GFD §10) ════════════════════════════════════════════════════════════ */ /* Tablet — 768px: 2-column, brand spans full width */ @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--primitive-space-8); } /* Brand takes full row, link columns sit side-by-side below it */ .footer-brand { grid-column: 1 / -1; } } /* Mobile — 480px: single column, everything stacked */ @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; gap: var(--primitive-space-8); } /* Reset brand span — only one column now */ .footer-brand { grid-column: 1; } .footer-tagline { max-width: 100%; } }