/* --------------------------------------- COLOR TOKENS & GLOBAL VARIABLES ---------------------------------------- */ :root { --font-1: "Public Sans", sans-serif; --font-2: "DM Serif Display", serif; /* monospace */ --font-mono: Consolas, "Andale Mono", Courier, "Courier New", monospace; --font-size: 16px; --background: #ffffff; --foreground: oklch(0.145 0 0); --card: #ffffff; --card-foreground: oklch(0.145 0 0); --popover: oklch(1 0 0); --popover-foreground: oklch(0.145 0 0); --primary: #030213; --primary-foreground: oklch(1 0 0); --secondary: oklch(0.95 0.0058 264.53); --secondary-foreground: #030213; --muted: #ececf0; --muted-foreground: #717182; --accent: #e9ebef; --accent-foreground: #030213; --destructive: #d4183d; --destructive-foreground: #ffffff; --border: rgba(0, 0, 0, 0.1); --input: transparent; --input-background: #f3f3f5; --switch-background: #cbced4; --font-weight-medium: 500; --font-weight-normal: 400; --ring: oklch(0.708 0 0); --chart-1: oklch(0.646 0.222 41.116); --chart-2: oklch(0.6 0.118 184.704); --chart-3: oklch(0.398 0.07 227.392); --chart-4: oklch(0.828 0.189 84.429); --chart-5: oklch(0.769 0.188 70.08); --radius: 0.625rem; /* Sidebar */ --sidebar: oklch(0.985 0 0); --sidebar-foreground: oklch(0.145 0 0); --sidebar-primary: #030213; --sidebar-primary-foreground: oklch(0.985 0 0); --sidebar-accent: oklch(0.97 0 0); --sidebar-accent-foreground: oklch(0.205 0 0); --sidebar-border: oklch(0.922 0 0); --sidebar-ring: oklch(0.708 0 0); } /* --------------------------------------- DARK MODE OVERRIDES (activates when ) ---------------------------------------- */ .dark { --background: oklch(0.195 0.003 247.958); --foreground: oklch(0.985 0 0); --card: oklch(0.145 0 0); --card-foreground: oklch(0.985 0 0); --popover: oklch(0.145 0 0); --popover-foreground: oklch(0.985 0 0); --primary: oklch(0.985 0 0); --primary-foreground: oklch(0.205 0 0); --secondary: oklch(0.269 0 0); --secondary-foreground: oklch(0.985 0 0); --muted: oklch(0.269 0 0); --muted-foreground: oklch(0.708 0 0); --accent: oklch(0.269 0 0); --accent-foreground: oklch(0.985 0 0); --destructive: oklch(0.396 0.141 25.723); --destructive-foreground: oklch(0.637 0.237 25.331); --border: oklch(0.269 0 0); --input: oklch(0.269 0 0); --ring: oklch(0.439 0 0); --chart-1: oklch(0.488 0.243 264.376); --chart-2: oklch(0.696 0.17 162.48); --chart-3: oklch(0.769 0.188 70.08); --chart-4: oklch(0.627 0.265 303.9); --chart-5: oklch(0.645 0.246 16.439); /* Sidebar */ --sidebar: oklch(0.205 0 0); --sidebar-foreground: oklch(0.985 0 0); --sidebar-primary: oklch(0.488 0.243 264.376); --sidebar-primary-foreground: oklch(0.985 0 0); --sidebar-accent: oklch(0.269 0 0); --sidebar-accent-foreground: oklch(0.985 0 0); --sidebar-border: oklch(0.269 0 0); --sidebar-ring: oklch(0.439 0 0); } /* --------------------------------------- BASE ELEMENT STYLES ---------------------------------------- */ html { font-size: var(--font-size); } body { background: var(--background); color: var(--foreground); margin: 0; padding: 0; font-family: system-ui, sans-serif; } /* Give all elements consistent border + outline color */ * { border-color: var(--border); outline-color: color-mix(in srgb, var(--ring) 50%, transparent); } /* --------------------------------------- TYPOGRAPHY (base defaults) ---------------------------------------- */ h1 { font-size: 2rem; font-family: var(--font-2), serif; font-weight: var(--font-weight-medium); } h2 { font-size: 1.5rem; font-family: var(--font-2), serif; font-weight: var(--font-weight-medium); } h3 { font-size: 1.25rem; font-weight: var(--font-weight-medium); } h4 { font-size: 1rem; font-weight: var(--font-weight-medium); margin-top: 0; } p, label, button, input { font-size: 1rem; font-weight: var(--font-weight-normal); line-height: 1.5; margin-bottom: 0; } /* --------------------------------------- UTILITY CLASSES (to match your HTML) ---------------------------------------- */ .bg-background { background: var(--background); } .text-foreground { color: var(--foreground); } .bg-muted { background: var(--muted); } .text-muted-foreground { color: var(--muted-foreground); } .bg-primary { background: var(--primary); } .text-primary-foreground { color: var(--primary-foreground); } .bg-card { background: var(--card); color: var(--card-foreground); } .border-border { border-color: var(--border); } .hover\:bg-muted:hover { background: var(--muted); } /* Generic utility layout classes */ .flex { display: flex; } .items-center { align-items: center; } .items-start { align-items: flex-start; } .justify-between { justify-content: space-between; } .gap-2 { gap: 0.5rem; } .gap-3 { gap: 0.75rem; } .gap-4 { gap: 1rem; } .gap-6 { gap: 1.5rem; } .grid { display: grid; } .rounded-lg { border-radius: 0.5rem; padding: 7px; } /* Max width container */ .max-w-5xl { max-width: 80rem; margin-left: auto; margin-right: auto; } .px-6 { padding-inline: 1.5rem; @media (min-width: 768px) { padding-left: 15%; padding-right: 15%; } } .py-6 {padding-block: 1.5rem;} .py-8 { padding-block: 2rem; } .py-12 { padding-block: 3rem; } .mt-16 { margin-top: 4rem; } .mb-4 { margin-bottom: 1rem; } .mb-6 { margin-bottom: 1.5rem; } .mb-8 { margin-bottom: 2rem; } .mb-16 { margin-bottom: 4rem; } /* Image helpers */ .aspect-video { aspect-ratio: 16 / 9; } .object-cover { object-fit: cover; } .w-full { width: 100%; } /* Buttons */ button, a { cursor: pointer; text-decoration: none; transition: 0.25s ease; } button:hover, a:hover { opacity: 0.85; } /* Gallery Container */ .gallery-container { position: relative; width: 100%; overflow: hidden; display: flex; align-items: center; gap: 1rem; } /* Wrapper */ .gallery-wrapper { overflow: hidden; flex: 1; border-radius: var(--radius); border: 1px solid var(--border); } /* Track (images in one row) */ .gallery-track { display: flex; transition: transform 0.3s ease; } /* Images */ .gallery-track img { width: 100%; height: auto; aspect-ratio: 16 / 9; flex-shrink: 0; } a, a:visited { color: inherit; text-decoration: none; } .icon-arrow-left { color: inherit; } /* Arrows */ .gallery-btn { background: var(--card); color: var(--foreground); border: 1px solid var(--border); padding: 0.6rem 0.9rem; font-size: 1.5rem; border-radius: var(--radius); cursor: pointer; transition: 0.2s ease; } .gallery-btn:hover { background: var(--muted); } /* Challenge + Solution layout */ .challenge-solution { display: grid; gap: 2rem; } /* On desktop: make 2 columns */ @media (min-width: 768px) { .challenge-solution { grid-template-columns: 1fr 1fr; } } /* Grid Layout */ .key-features-grid { display: grid; gap: 1.5rem; } /* Two columns on desktop */ @media (min-width: 768px) { .key-features-grid { grid-template-columns: 1fr 1fr; } } /* Feature Box Styling */ .feature-box { background: var(--card); border: 1px solid var(--border); padding: 25px; } .back-header { border-bottom: 1px solid var(--border); position: sticky; background: rgba(20, 20, 20, 0.75); backdrop-filter: blur(8px); top: 0; z-index: 10; } /* Bottom back section */ .back-footer { border-top: 1px solid var(--border); }