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Split Screen Design Reference

Split Screen is a bold, high-impact layout aesthetic built on the principle of dividing the viewport into two (or more) equally weighted vertical panels, each carrying distinct but complementary content. Rooted in editorial print design -- where facing pages have long been used for dramatic juxtaposition -- the technique migrated to web design in the mid-2010s and has grown steadily as a favored pattern for landing pages, portfolio sites, and brand storytelling. The aesthetic thrives on visual tension: light against dark, image against text, warm against cool, photography against illustration. Unlike traditional single-column layouts that guide the eye in one direction, Split Screen presents a deliberate duality that invites comparison, highlights contrast, and gives users an immediate choice. In web and UI design, Split Screen translates to bold 50/50 flexbox or grid divisions, high-contrast color blocking, dramatic typography anchored to one panel, strong vertical center lines (sometimes replaced by diagonal or angled dividers), and hover-driven interactions that let one panel expand or reveal content at the expense of the other.

Visual Characteristics

Core Design Traits

  • 50/50 vertical divisions -- the viewport is split into two equal (or near-equal) panels running the full height of the section, creating a strong vertical axis
  • High-contrast color blocking -- adjacent panels use opposing tones (black and white, dark navy and bright coral, deep charcoal and crisp ivory) to maximize visual separation
  • Image-versus-text pairing -- one panel typically carries a large photograph or illustration while the opposite holds typographic content and calls to action
  • Strong center dividing line -- the boundary between panels is architecturally emphasized, sometimes as a visible rule, a thin gap, a diagonal slash, or a contrasting stripe
  • Dramatic hover interactions -- panels expand, contract, or shift on mouse hover, creating an interactive tug-of-war between the two halves
  • Full-viewport hero sections -- split panels span the entire screen height (100vh), creating an immersive, edge-to-edge first impression
  • Bold, oversized typography -- headlines are large and assertive, often placed on the solid-colored panel for maximum legibility against a flat background
  • Diagonal and angled dividers -- instead of a straight vertical cut, many split layouts use CSS clip-path or skewed transforms to create angular, dynamic separations
  • Asymmetric content balance -- while the spatial division is equal, the visual weight is intentionally unequal (heavy image vs. minimal text) to create directional pull
  • Minimal ornamentation -- the split itself is the design statement; extraneous decorative elements are stripped away to maintain focus on the duality
  • Scroll-triggered reveals -- as users scroll, new split sections appear with alternating panel orientations (image-left then image-right)
  • Parallax depth between panels -- left and right panels scroll at slightly different rates, adding a sense of layered depth

Design Principles

  • Embrace duality -- the split layout is fundamentally about two things in conversation with each other
  • Contrast is the engine of the aesthetic: every design choice should amplify the difference between the two halves
  • Give each panel a clear purpose -- one informs, the other entices; one shows, the other tells
  • The center division is sacred -- it is the spine of the composition and should be treated as a deliberate design element
  • Maintain balance even in asymmetry -- visual weight should feel considered, not accidental
  • Use full-bleed imagery and edge-to-edge color fills to eliminate any sense of floating panels
  • Typography on solid backgrounds should be bold and generously sized; let the negative space do the work
  • Interactions should reinforce the split metaphor -- hover effects that expand one panel at the cost of the other emphasize the duality
  • On mobile, the split becomes a vertical stack -- design each panel to work independently when collapsed
  • Color contrast ratios between panels should be dramatic enough to read as two distinct zones, not a subtle gradient

Color Palette

Contrast Block Palette

Color Name Hex Role / Usage
Panel Dark #1A1A2E Dark panel background, deep navy-charcoal foundation
Panel Light #F5F0EB Light panel background, warm ivory canvas
Pure Black #0D0D0D Maximum contrast text on light panels, deepest dark
Pure White #FFFFFF Text on dark panels, maximum brightness
Accent Coral #FF6B6B Primary accent, CTAs, active states, hover highlights
Accent Electric #4ECDC4 Secondary accent, links, interactive elements on dark panels
Deep Teal #1B998B Tertiary accent, icons, secondary buttons
Warm Amber #F7B731 Warning states, highlights, attention-drawing accents
Soft Graphite #2D3436 Dark panel alternate, card backgrounds, overlays
Mist Gray #DFE6E9 Light panel borders, subtle dividers, secondary backgrounds
Slate Text #636E72 Secondary text on light panels, captions, metadata
Lavender Mist #A29BFE Decorative accent, hover states, gradient endpoints
Crimson Bold #E74C3C Bold emphasis, split divider accent, strong CTAs
Midnight Blue #0C2461 Alternative dark panel, premium/corporate variant

CSS Custom Properties

:root {
  /* Panel backgrounds */
  --split-panel-dark: #1a1a2e;
  --split-panel-light: #f5f0eb;
  --split-black: #0d0d0d;
  --split-white: #ffffff;

  /* Accents */
  --split-coral: #ff6b6b;
  --split-electric: #4ecdc4;
  --split-teal: #1b998b;
  --split-amber: #f7b731;

  /* Neutrals */
  --split-graphite: #2d3436;
  --split-mist: #dfe6e9;
  --split-slate: #636e72;

  /* Decorative */
  --split-lavender: #a29bfe;
  --split-crimson: #e74c3c;
  --split-midnight: #0c2461;

  /* Functional */
  --split-divider: #ff6b6b;
  --split-divider-width: 4px;
  --split-transition-speed: 0.5s;
  --split-panel-gap: 0px;

  /* Gradients */
  --split-gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #0c2461 100%);
  --split-gradient-warm: linear-gradient(135deg, #ff6b6b 0%, #f7b731 100%);
  --split-gradient-cool: linear-gradient(135deg, #4ecdc4 0%, #a29bfe 100%);

  /* Shadows */
  --split-shadow-left: 4px 0 20px rgba(0, 0, 0, 0.15);
  --split-shadow-right: -4px 0 20px rgba(0, 0, 0, 0.15);
  --split-shadow-card: 0 8px 30px rgba(0, 0, 0, 0.12);
}

Typography

Typeface Characteristics

Split Screen typography is:

  • Bold and high-contrast -- headlines must command attention on one panel while competing with a strong image on the other
  • Sans-serif dominant -- clean geometric or grotesque sans-serifs reinforce the modern, architectural feel of the split layout
  • Oversized display text -- hero headlines are dramatically large (often 4-8rem), using the generous space of a dedicated text panel
  • Uppercase for impact -- section headers and navigation use all-caps with wide letter-spacing for structural authority
  • Weight-contrasted pairings -- heavy 700-900 weight headings paired with light 300-400 body text amplify the contrast theme
  • Color-inverted across panels -- white text on the dark panel, dark text on the light panel, maintaining legibility in both contexts
  • Minimal line lengths -- with each panel being only 50% of the viewport, text columns are naturally narrow, demanding careful typographic sizing
Font Style Best For
Inter Clean geometric sans Body text, versatile across both panels
Space Grotesk Geometric, contemporary Headlines, modern split layouts
Bebas Neue Condensed display Large hero headlines, dramatic impact
Poppins Geometric, friendly Subheadings, body text, balanced weight range
Sora Geometric, modern Headlines, navigation, tech-forward layouts
DM Sans Clean, geometric Body text, readable at small sizes
Playfair Display High-contrast serif Editorial headlines, luxury split layouts
Archivo Black Ultra-bold grotesque Maximum impact headlines, bold statements
Outfit Modern geometric sans Body text, labels, clean readability
Clash Display Variable geometric Striking display text, branding headers

Font Pairing Suggestions

Heading Font Body Font Character
Bebas Neue (400) Inter (400) Bold editorial, magazine-style drama
Space Grotesk (700) DM Sans (400) Modern tech, clean and architectural
Archivo Black (400) Outfit (400) Maximum impact, strong and direct
Playfair Display (700) Poppins (300) Editorial luxury, refined contrast
Sora (700) Inter (400) Contemporary minimal, balanced weight

Typography CSS Example

/* Import fonts */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600&display=swap');

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Bebas Neue', sans-serif;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.05;
}

/* Display / Hero text -- oversized for text panels */
.split-display {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.5rem, 8vw, 7rem);
  letter-spacing: 0.03em;
  line-height: 0.95;
  text-transform: uppercase;
}

/* Display text on dark panel */
.split-display--light {
  color: var(--split-white);
}

/* Display text on light panel */
.split-display--dark {
  color: var(--split-black);
}

/* Accent-colored display */
.split-display--accent {
  color: var(--split-coral);
}

/* Body text */
body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
}

/* Body text on dark panels */
.text-on-dark {
  color: rgba(255, 255, 255, 0.85);
}

/* Body text on light panels */
.text-on-light {
  color: var(--split-graphite);
}

/* Eyebrow / Label */
.split-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--split-coral);
}

Layout Principles

Grid and Structure

  • 50/50 flexbox or grid divisions -- the fundamental unit is two panels splitting the viewport evenly using display: flex with flex: 1 or grid-template-columns: 1fr 1fr
  • Full-viewport height sections -- each split section spans min-height: 100vh for maximum immersive impact
  • Edge-to-edge panels -- no outer margins or padding on the split container; panels extend to screen edges
  • Zero gap or thin divider -- panels sit flush against each other, separated by either nothing, a thin colored line, or a diagonal clip-path
  • Content padding within panels -- generous inner padding (48-80px) creates breathing room inside each panel while maintaining the edge-to-edge outer container
  • Alternating panel order -- successive sections alternate which side carries the image and which carries text (image-left/text-right, then text-left/image-right)
  • Sticky scroll patterns -- one panel can remain fixed while the other scrolls, creating a parallax-like effect within the split
  • Nested splits -- within a text panel, further subdivision can occur (e.g., a stat grid or mini card layout)

Section Organization

  • Navigation: Transparent overlay spanning both panels, or integrated into the top of one panel; minimal and unobtrusive
  • Hero: Full-viewport split -- large image or video on one side, bold headline + tagline + CTA on the other
  • About / Story: Image panel showing team/product, text panel with narrative content
  • Features: Alternating split rows, each featuring a different product shot or illustration opposite descriptive text
  • Comparison: Two equal panels presenting contrasting options (e.g., two products, before/after, two services)
  • CTA section: Bold color-blocked split with strong headline on one side and form or button on the other
  • Footer: Can maintain the split theme or collapse to a single unified bar

Responsive Approach

  • At tablet breakpoints (~1024px), maintain the split but reduce inner padding
  • At mobile breakpoints (~768px), stack panels vertically -- image above text
  • Maintain full-width color blocking on stacked mobile panels to preserve the contrast aesthetic
  • Scale display typography aggressively with clamp() to prevent overflow in narrow panels
  • Hover-expand interactions should be disabled on touch devices; use tap or scroll-triggered reveals instead
  • Diagonal dividers can simplify to straight horizontal lines on mobile for clarity
  • Ensure each panel has sufficient standalone visual interest when viewed independently in the stacked layout

CSS / Design Techniques

Split Screen Card Component

.split-card {
  display: flex;
  background: var(--split-white);
  border-radius: 0;
  overflow: hidden;
  box-shadow: var(--split-shadow-card);
}

.split-card__image {
  flex: 1;
  min-height: 300px;
  background-size: cover;
  background-position: center;
}

.split-card__content {
  flex: 1;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--split-panel-dark);
  color: var(--split-white);
}

.split-card__content h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

.split-card__content p {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
}

/* Alternating card layout */
.split-card:nth-child(even) {
  flex-direction: row-reverse;
}

/* Card grid for multiple split cards */
.split-card-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}

@media (max-width: 768px) {
  .split-card,
  .split-card:nth-child(even) {
    flex-direction: column;
  }

  .split-card__image {
    min-height: 220px;
  }

  .split-card__content {
    padding: 32px 24px;
  }
}

Split Screen Button

.split-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid currentColor;
  background: transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color var(--split-transition-speed), background var(--split-transition-speed);
}

/* Button on dark panels */
.split-btn--on-dark {
  color: var(--split-white);
  border-color: var(--split-white);
}

.split-btn--on-dark:hover {
  color: var(--split-panel-dark);
  background: var(--split-white);
}

/* Button on light panels */
.split-btn--on-light {
  color: var(--split-black);
  border-color: var(--split-black);
}

.split-btn--on-light:hover {
  color: var(--split-white);
  background: var(--split-black);
}

/* Accent filled button */
.split-btn--accent {
  color: var(--split-white);
  background: var(--split-coral);
  border-color: var(--split-coral);
}

.split-btn--accent:hover {
  background: #e85555;
  border-color: #e85555;
}

/* Sliding fill animation */
.split-btn--slide {
  z-index: 1;
}

.split-btn--slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: var(--split-coral);
  transition: width var(--split-transition-speed) ease;
  z-index: -1;
}

.split-btn--slide:hover::before {
  width: 100%;
}

.split-btn--slide:hover {
  color: var(--split-white);
  border-color: var(--split-coral);
}

.split-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  z-index: 100;
  mix-blend-mode: difference;
}

.split-nav__logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  color: var(--split-white);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.split-nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.split-nav__links a {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--split-white);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  position: relative;
  transition: opacity 0.3s;
}

.split-nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--split-coral);
  transition: width 0.3s ease;
}

.split-nav__links a:hover::after {
  width: 100%;
}

.split-nav__links a:hover {
  opacity: 0.9;
}

/* Using mix-blend-mode: difference ensures the nav text inverts
   color against both light and dark panels automatically */

Hero Section -- Full Viewport Split

.split-hero {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.split-hero__panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
  transition: flex var(--split-transition-speed) ease;
}

/* Dark text panel */
.split-hero__panel--dark {
  background: var(--split-panel-dark);
  color: var(--split-white);
}

/* Image panel */
.split-hero__panel--image {
  background-size: cover;
  background-position: center;
  padding: 0;
}

/* Optional: image overlay for text readability */
.split-hero__panel--image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.split-hero__content {
  max-width: 480px;
  position: relative;
  z-index: 2;
}

.split-hero__content .split-label {
  margin-bottom: 16px;
}

.split-hero__content h1 {
  font-size: clamp(3rem, 5vw, 5.5rem);
  margin-bottom: 24px;
  line-height: 0.95;
}

.split-hero__content p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .split-hero {
    flex-direction: column;
  }

  .split-hero__panel {
    min-height: 50vh;
    padding: 60px 32px;
  }

  .split-hero__panel--image {
    min-height: 40vh;
  }
}

Hover-Expand Panels

One of the signature interactions of Split Screen design: panels that grow and shrink on hover, creating a tug-of-war effect.

.split-expand {
  display: flex;
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
}

.split-expand__panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: flex 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
}

/* On hover, the hovered panel grows while its sibling shrinks */
.split-expand:hover .split-expand__panel {
  flex: 0.7;
}

.split-expand:hover .split-expand__panel:hover {
  flex: 1.3;
}

/* Panel overlay for darkening/lightening on state change */
.split-expand__panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.6s ease;
  z-index: 1;
}

.split-expand:hover .split-expand__panel::before {
  background: rgba(0, 0, 0, 0.3);
}

.split-expand:hover .split-expand__panel:hover::before {
  background: rgba(0, 0, 0, 0);
}

/* Content fades in on the active panel */
.split-expand__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--split-white);
  opacity: 0.7;
  transform: scale(0.95);
  transition: opacity 0.5s, transform 0.5s;
}

.split-expand__panel:hover .split-expand__content {
  opacity: 1;
  transform: scale(1);
}

.split-expand__content h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 4rem);
  margin-bottom: 16px;
}

.split-expand__content p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  max-width: 320px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s 0.1s, transform 0.5s 0.1s;
}

.split-expand__panel:hover .split-expand__content p {
  opacity: 0.85;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .split-expand {
    flex-direction: column;
  }

  .split-expand:hover .split-expand__panel,
  .split-expand:hover .split-expand__panel:hover {
    flex: 1;
  }

  .split-expand__content {
    opacity: 1;
    transform: scale(1);
  }

  .split-expand__content p {
    opacity: 0.85;
    transform: translateY(0);
  }
}

Diagonal Split Divider

Instead of a straight vertical cut, this technique uses CSS clip-path to create an angled boundary between panels, adding dynamic energy to the split.

.split-diagonal {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.split-diagonal__left {
  flex: 0 0 55%;
  background: var(--split-panel-dark);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
  display: flex;
  align-items: center;
  padding: 80px;
  padding-right: 120px;
  z-index: 2;
}

.split-diagonal__right {
  flex: 0 0 55%;
  margin-left: -10%;
  background: var(--split-panel-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 80px;
  padding-left: 120px;
}

/* Angled accent stripe between panels */
.split-diagonal::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 48%;
  width: var(--split-divider-width);
  background: var(--split-coral);
  transform: skewX(-8deg);
  z-index: 3;
}

/* Alternate direction for variety */
.split-diagonal--reverse .split-diagonal__left {
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
  order: 2;
  padding-left: 120px;
  padding-right: 80px;
}

.split-diagonal--reverse .split-diagonal__right {
  order: 1;
  margin-left: 0;
  margin-right: -10%;
  justify-content: flex-start;
  padding-right: 120px;
  padding-left: 80px;
}

.split-diagonal--reverse::after {
  left: auto;
  right: 48%;
  transform: skewX(8deg);
}

@media (max-width: 768px) {
  .split-diagonal {
    flex-direction: column;
  }

  .split-diagonal__left,
  .split-diagonal__right {
    flex: none;
    width: 100%;
    min-height: 50vh;
    margin: 0;
    padding: 48px 32px;
    clip-path: none;
  }

  .split-diagonal::after {
    display: none;
  }
}

Scroll-Reveal Split Sections

Split sections that reveal content with a staggered animation as they enter the viewport, emphasizing the left-right duality.

.split-reveal {
  display: flex;
  min-height: 80vh;
  width: 100%;
  overflow: hidden;
}

.split-reveal__panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 60px;
}

/* Initial hidden state -- panels slide in from opposite sides */
.split-reveal__panel--left {
  transform: translateX(-60px);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1),
              opacity 0.8s ease;
}

.split-reveal__panel--right {
  transform: translateX(60px);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1) 0.15s,
              opacity 0.8s ease 0.15s;
}

/* Visible state -- triggered by Intersection Observer adding .is-visible */
.split-reveal.is-visible .split-reveal__panel--left,
.split-reveal.is-visible .split-reveal__panel--right {
  transform: translateX(0);
  opacity: 1;
}

/* Accent vertical line in the center */
.split-reveal::after {
  content: '';
  position: absolute;
  top: 10%;
  bottom: 10%;
  left: 50%;
  width: 2px;
  background: var(--split-coral);
  transform: translateX(-50%) scaleY(0);
  transition: transform 0.6s ease 0.4s;
}

.split-reveal.is-visible::after {
  transform: translateX(-50%) scaleY(1);
}

/* JavaScript: Intersection Observer to trigger .is-visible */
/*
  const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
      if (entry.isIntersecting) {
        entry.target.classList.add('is-visible');
      }
    });
  }, { threshold: 0.2 });

  document.querySelectorAll('.split-reveal').forEach(el => observer.observe(el));
*/

Sticky Panel Scroll

A technique where one panel remains fixed in place while the other scrolls through multiple content blocks, creating a guided storytelling effect.

.split-sticky {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Fixed panel -- stays in view */
.split-sticky__fixed {
  flex: 0 0 50%;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--split-panel-dark);
  overflow: hidden;
}

.split-sticky__fixed img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Scrolling panel -- multiple content blocks */
.split-sticky__scroll {
  flex: 0 0 50%;
  background: var(--split-panel-light);
}

.split-sticky__block {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 60px;
  border-bottom: 1px solid var(--split-mist);
}

.split-sticky__block:last-child {
  border-bottom: none;
}

.split-sticky__block-content {
  max-width: 420px;
}

.split-sticky__block-content h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--split-black);
  margin-bottom: 20px;
}

.split-sticky__block-content p {
  font-family: 'Inter', sans-serif;
  color: var(--split-slate);
  line-height: 1.7;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .split-sticky {
    flex-direction: column;
  }

  .split-sticky__fixed {
    position: relative;
    flex: none;
    width: 100%;
    height: 50vh;
  }

  .split-sticky__scroll {
    flex: none;
    width: 100%;
  }

  .split-sticky__block {
    min-height: auto;
    padding: 48px 32px;
  }
}

Design Do's and Don'ts

Do

  • Use high-contrast pairings between panels -- dark against light, image against solid color, warm against cool
  • Maintain a strict 50/50 (or intentionally asymmetric like 60/40) division as the structural backbone
  • Give each panel a singular clear purpose: one for visual, one for textual content
  • Use full-viewport-height split sections for maximum immersive impact in hero areas
  • Leverage hover-expand interactions to create dynamic, engaging panel behavior
  • Alternate panel orientation across sections (image-left then image-right) to create visual rhythm
  • Apply mix-blend-mode: difference on navigation overlaying both panels for automatic color adaptation
  • Design each panel to work as a standalone unit when stacked on mobile
  • Use bold, oversized typography on the text panel -- the dedicated space demands it
  • Treat the center divider as a design element: a colored stripe, diagonal slash, or animated reveal line

Don't

  • Use similar colors on adjacent panels -- the whole aesthetic depends on contrast between the two halves
  • Place dense text on image panels -- that undermines the clarity of the split layout
  • Forget mobile breakpoints -- a split layout that does not stack gracefully on small screens fails its users
  • Add too many decorative elements -- the split itself is the design statement; keep ornamentation minimal
  • Mix more than three typefaces -- the dual-panel structure already provides visual complexity
  • Create panels with unequal height that break the horizontal alignment of the split
  • Use thin, low-contrast dividers that make the split look accidental rather than intentional
  • Apply hover-expand effects on touch devices where hover states do not exist
  • Neglect the vertical rhythm of alternating sections -- inconsistent panel ordering feels chaotic
  • Overload both panels with equal amounts of content -- asymmetric content weight drives the eye
Aesthetic Relationship to Split Screen
Editorial / Magazine Shares the print-inspired layout tradition; Editorial uses multi-column grids while Split Screen focuses on binary division
Brutalist Both use bold, high-contrast visual statements; Brutalist is raw and deliberately unpolished, Split Screen is precise and balanced
Swiss / International Both prize structural clarity and grid discipline; Swiss Design uses modular grids, Split Screen simplifies to a single binary axis
Minimalist Split Screen often employs Minimalist principles (negative space, limited palette) within its dual-panel structure
Material Design Material uses cards and layered surfaces; Split Screen flattens the hierarchy into two co-equal planes
Parallax Both create depth through scroll behavior; Parallax layers elements vertically, Split Screen layers them horizontally
Asymmetric Layout Split Screen is a specific case of asymmetric design where the spatial division is equal but the content weight is unbalanced
Color Block Shares the bold solid-fill approach; Color Block uses multiple color zones, Split Screen constrains to two primary zones
Metro / Flat Design Both favor clean edges and solid colors; Metro tiles can be seen as micro-splits within a grid

Quick-Start: Minimal Split Screen Page Template

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Split Screen Page</title>
  <link href="https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600&display=swap" rel="stylesheet">
  <style>
    :root {
      --split-panel-dark: #1a1a2e;
      --split-panel-light: #f5f0eb;
      --split-black: #0d0d0d;
      --split-white: #ffffff;
      --split-coral: #ff6b6b;
      --split-electric: #4ecdc4;
      --split-graphite: #2d3436;
      --split-mist: #dfe6e9;
      --split-slate: #636e72;
      --split-transition: 0.5s;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }

    body {
      font-family: 'Inter', sans-serif;
      font-size: 1rem;
      line-height: 1.7;
      color: var(--split-graphite);
      background: var(--split-panel-light);
    }

    h1, h2, h3 {
      font-family: 'Bebas Neue', sans-serif;
      font-weight: 400;
      letter-spacing: 0.04em;
      line-height: 1.05;
    }

    /* ---- Navigation ---- */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 24px 48px;
      z-index: 100;
      mix-blend-mode: difference;
    }

    nav a.logo {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 1.6rem;
      color: var(--split-white);
      text-decoration: none;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    nav ul {
      display: flex;
      gap: 28px;
      list-style: none;
    }

    nav ul a {
      font-family: 'Inter', sans-serif;
      font-weight: 500;
      font-size: 0.85rem;
      color: var(--split-white);
      text-decoration: none;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      position: relative;
      transition: opacity 0.3s;
    }

    nav ul a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--split-coral);
      transition: width 0.3s ease;
    }

    nav ul a:hover::after {
      width: 100%;
    }

    /* ---- Split Hero ---- */
    .hero {
      display: flex;
      min-height: 100vh;
      width: 100%;
    }

    .hero__panel {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 80px 60px;
      position: relative;
      overflow: hidden;
      transition: flex var(--split-transition) ease;
    }

    .hero__panel--dark {
      background: var(--split-panel-dark);
    }

    .hero__panel--image {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      position: relative;
    }

    /* Decorative geometric shapes on image panel */
    .hero__panel--image::before {
      content: '';
      position: absolute;
      top: 15%;
      left: 15%;
      width: 200px;
      height: 200px;
      border: 3px solid rgba(255, 255, 255, 0.2);
      border-radius: 50%;
      animation: float 6s ease-in-out infinite;
    }

    .hero__panel--image::after {
      content: '';
      position: absolute;
      bottom: 20%;
      right: 20%;
      width: 120px;
      height: 120px;
      border: 3px solid rgba(255, 255, 255, 0.15);
      transform: rotate(45deg);
      animation: float 8s ease-in-out infinite reverse;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0px) rotate(0deg); }
      50% { transform: translateY(-20px) rotate(5deg); }
    }

    .hero__content {
      max-width: 440px;
      position: relative;
      z-index: 2;
    }

    .hero__label {
      font-family: 'Inter', sans-serif;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--split-coral);
      margin-bottom: 20px;
    }

    .hero__content h1 {
      font-size: clamp(3rem, 5vw, 5rem);
      color: var(--split-white);
      margin-bottom: 24px;
      line-height: 0.95;
    }

    .hero__content p {
      font-size: 1.05rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 36px;
    }

    .btn {
      display: inline-block;
      padding: 16px 40px;
      font-family: 'Inter', sans-serif;
      font-weight: 600;
      font-size: 0.85rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: none;
      border: 2px solid var(--split-white);
      color: var(--split-white);
      background: transparent;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: color var(--split-transition), background var(--split-transition);
    }

    .btn:hover {
      color: var(--split-panel-dark);
      background: var(--split-white);
    }

    .btn--accent {
      border-color: var(--split-coral);
      color: var(--split-white);
      background: var(--split-coral);
    }

    .btn--accent:hover {
      background: #e85555;
      border-color: #e85555;
    }

    .btn--dark {
      border-color: var(--split-black);
      color: var(--split-black);
    }

    .btn--dark:hover {
      background: var(--split-black);
      color: var(--split-white);
    }

    /* ---- Hover-Expand Section ---- */
    .expand-section {
      display: flex;
      min-height: 70vh;
      width: 100%;
      overflow: hidden;
    }

    .expand-panel {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
      cursor: pointer;
      transition: flex 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    .expand-panel--a {
      background: var(--split-coral);
    }

    .expand-panel--b {
      background: var(--split-electric);
    }

    .expand-section:hover .expand-panel {
      flex: 0.7;
    }

    .expand-section:hover .expand-panel:hover {
      flex: 1.3;
    }

    .expand-panel::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0);
      transition: background 0.6s ease;
      z-index: 1;
    }

    .expand-section:hover .expand-panel::before {
      background: rgba(0, 0, 0, 0.2);
    }

    .expand-section:hover .expand-panel:hover::before {
      background: rgba(0, 0, 0, 0);
    }

    .expand-panel__content {
      position: relative;
      z-index: 2;
      text-align: center;
      color: var(--split-white);
      padding: 40px;
    }

    .expand-panel__content h2 {
      font-size: clamp(2rem, 4vw, 3.5rem);
      margin-bottom: 12px;
    }

    .expand-panel__content p {
      font-size: 0.95rem;
      max-width: 300px;
      margin: 0 auto;
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 0.5s 0.1s, transform 0.5s 0.1s;
    }

    .expand-panel:hover .expand-panel__content p {
      opacity: 0.9;
      transform: translateY(0);
    }

    /* ---- Alternating Feature Splits ---- */
    .feature-split {
      display: flex;
      min-height: 80vh;
      width: 100%;
    }

    .feature-split:nth-child(even) {
      flex-direction: row-reverse;
    }

    .feature-split__image {
      flex: 1;
      min-height: 400px;
      background-size: cover;
      background-position: center;
    }

    .feature-split__image--gradient-1 {
      background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    }

    .feature-split__image--gradient-2 {
      background: linear-gradient(135deg, #2d3436 0%, #636e72 100%);
    }

    .feature-split__image--gradient-3 {
      background: linear-gradient(135deg, #0c2461 0%, #1e3799 100%);
    }

    .feature-split__text {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 80px 60px;
    }

    .feature-split__text--light {
      background: var(--split-panel-light);
    }

    .feature-split__text--white {
      background: var(--split-white);
    }

    .feature-split__content {
      max-width: 420px;
    }

    .feature-split__content .split-label {
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--split-coral);
      margin-bottom: 16px;
    }

    .feature-split__content h2 {
      font-size: clamp(2rem, 3vw, 3rem);
      color: var(--split-black);
      margin-bottom: 20px;
    }

    .feature-split__content p {
      color: var(--split-slate);
      margin-bottom: 28px;
      line-height: 1.8;
    }

    /* Decorative geometric elements inside gradient panels */
    .feature-split__image {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .geo-shape {
      width: 120px;
      height: 120px;
      border: 2px solid rgba(255, 255, 255, 0.15);
      position: absolute;
    }

    .geo-shape--circle {
      border-radius: 50%;
      top: 25%;
      left: 30%;
    }

    .geo-shape--square {
      transform: rotate(45deg);
      bottom: 25%;
      right: 25%;
      width: 80px;
      height: 80px;
    }

    .geo-shape--line {
      border: none;
      border-top: 2px solid rgba(255, 255, 255, 0.1);
      width: 60%;
      height: 0;
      top: 50%;
      left: 20%;
    }

    /* ---- Diagonal Split CTA ---- */
    .diagonal-cta {
      display: flex;
      min-height: 50vh;
      width: 100%;
      position: relative;
      overflow: hidden;
    }

    .diagonal-cta__left {
      flex: 0 0 55%;
      background: var(--split-panel-dark);
      clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 60px 80px;
      z-index: 2;
    }

    .diagonal-cta__right {
      flex: 0 0 55%;
      margin-left: -10%;
      background: var(--split-coral);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 60px 80px;
    }

    .diagonal-cta__left h2 {
      font-size: clamp(2rem, 4vw, 3.5rem);
      color: var(--split-white);
      max-width: 400px;
    }

    .diagonal-cta__right p {
      font-size: 1.1rem;
      color: var(--split-white);
      max-width: 360px;
      margin-bottom: 28px;
    }

    /* ---- Divider ---- */
    .split-divider {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      height: 4px;
      background: linear-gradient(90deg,
        var(--split-panel-dark) 0%,
        var(--split-panel-dark) 50%,
        var(--split-coral) 50%,
        var(--split-coral) 100%
      );
    }

    /* ---- Footer ---- */
    footer {
      display: flex;
      min-height: 200px;
    }

    .footer__left {
      flex: 1;
      background: var(--split-panel-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 40px;
    }

    .footer__right {
      flex: 1;
      background: var(--split-black);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 40px;
    }

    .footer__left p,
    .footer__right p {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.5);
    }

    .footer__left a.footer-logo {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 1.4rem;
      color: var(--split-white);
      text-decoration: none;
      letter-spacing: 0.08em;
    }

    .footer__right ul {
      display: flex;
      gap: 24px;
      list-style: none;
    }

    .footer__right ul a {
      font-size: 0.8rem;
      color: rgba(255, 255, 255, 0.5);
      text-decoration: none;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      transition: color 0.3s;
    }

    .footer__right ul a:hover {
      color: var(--split-coral);
    }

    /* ---- Responsive ---- */
    @media (max-width: 768px) {
      nav {
        padding: 20px 24px;
      }

      nav ul {
        gap: 16px;
      }

      .hero {
        flex-direction: column;
      }

      .hero__panel {
        min-height: 50vh;
        padding: 60px 32px;
      }

      .expand-section {
        flex-direction: column;
        min-height: auto;
      }

      .expand-panel {
        min-height: 40vh;
      }

      .expand-section:hover .expand-panel,
      .expand-section:hover .expand-panel:hover {
        flex: 1;
      }

      .expand-panel__content p {
        opacity: 0.9;
        transform: translateY(0);
      }

      .feature-split,
      .feature-split:nth-child(even) {
        flex-direction: column;
      }

      .feature-split__image {
        min-height: 250px;
      }

      .feature-split__text {
        padding: 48px 32px;
      }

      .diagonal-cta {
        flex-direction: column;
      }

      .diagonal-cta__left,
      .diagonal-cta__right {
        flex: none;
        width: 100%;
        clip-path: none;
        margin: 0;
        padding: 48px 32px;
      }

      footer {
        flex-direction: column;
      }

      .footer__left,
      .footer__right {
        padding: 32px 24px;
      }
    }
  </style>
</head>
<body>

  <!-- Navigation -->
  <nav>
    <a href="#" class="logo">Divide</a>
    <ul>
      <li><a href="#">Work</a></li>
      <li><a href="#">Studio</a></li>
      <li><a href="#">Journal</a></li>
      <li><a href="#">Contact</a></li>
    </ul>
  </nav>

  <!-- Hero Split -->
  <section class="hero">
    <div class="hero__panel hero__panel--dark">
      <div class="hero__content">
        <div class="hero__label">Design Studio</div>
        <h1>Two Sides.<br>One Vision.</h1>
        <p>We believe the best ideas emerge from tension -- the space between opposing forces where creativity thrives.</p>
        <a href="#" class="btn">Explore Work</a>
      </div>
    </div>
    <div class="hero__panel hero__panel--image">
    </div>
  </section>

  <!-- Split Divider -->
  <div class="split-divider"></div>

  <!-- Hover-Expand Panels -->
  <section class="expand-section">
    <div class="expand-panel expand-panel--a">
      <div class="expand-panel__content">
        <h2>Create</h2>
        <p>From concept to execution, we craft digital experiences that resonate and endure.</p>
      </div>
    </div>
    <div class="expand-panel expand-panel--b">
      <div class="expand-panel__content">
        <h2>Discover</h2>
        <p>Research-driven strategy that uncovers insights and transforms them into opportunity.</p>
      </div>
    </div>
  </section>

  <!-- Feature Splits -->
  <section>
    <div class="feature-split">
      <div class="feature-split__image feature-split__image--gradient-1">
        <div class="geo-shape geo-shape--circle"></div>
        <div class="geo-shape geo-shape--square"></div>
      </div>
      <div class="feature-split__text feature-split__text--light">
        <div class="feature-split__content">
          <div class="split-label">Strategy</div>
          <h2>Bold Thinking, Clear Direction</h2>
          <p>Every project begins with understanding. We map the landscape, identify tensions, and chart a path that balances ambition with precision.</p>
          <a href="#" class="btn btn--dark">Learn More</a>
        </div>
      </div>
    </div>

    <div class="feature-split">
      <div class="feature-split__image feature-split__image--gradient-2">
        <div class="geo-shape geo-shape--circle"></div>
        <div class="geo-shape geo-shape--line"></div>
      </div>
      <div class="feature-split__text feature-split__text--white">
        <div class="feature-split__content">
          <div class="split-label">Craft</div>
          <h2>Precision in Every Pixel</h2>
          <p>Design is in the details. We obsess over typography, spacing, and interaction to create interfaces that feel inevitable -- as if they could not have been made any other way.</p>
          <a href="#" class="btn btn--dark">Our Process</a>
        </div>
      </div>
    </div>

    <div class="feature-split">
      <div class="feature-split__image feature-split__image--gradient-3">
        <div class="geo-shape geo-shape--square"></div>
        <div class="geo-shape geo-shape--line"></div>
      </div>
      <div class="feature-split__text feature-split__text--light">
        <div class="feature-split__content">
          <div class="split-label">Impact</div>
          <h2>Results That Speak</h2>
          <p>Beautiful design means nothing without performance. We measure, iterate, and refine until the numbers match the ambition.</p>
          <a href="#" class="btn btn--dark">Case Studies</a>
        </div>
      </div>
    </div>
  </section>

  <!-- Diagonal Split CTA -->
  <section class="diagonal-cta">
    <div class="diagonal-cta__left">
      <h2>Ready to See Both Sides?</h2>
    </div>
    <div class="diagonal-cta__right">
      <div>
        <p>Let us show you what happens when contrast meets collaboration. Start a conversation today.</p>
        <a href="#" class="btn">Get in Touch</a>
      </div>
    </div>
  </section>

  <!-- Footer -->
  <footer>
    <div class="footer__left">
      <a href="#" class="footer-logo">Divide</a>
    </div>
    <div class="footer__right">
      <ul>
        <li><a href="#">Work</a></li>
        <li><a href="#">Studio</a></li>
        <li><a href="#">Journal</a></li>
        <li><a href="#">Contact</a></li>
      </ul>
    </div>
  </footer>

</body>
</html>
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Designs issus de chrislemke/website_designs, sous licence MIT.