/* =============================================
   EDITORIAL CASE STUDY RE-DESIGN
   ============================================= */

:root {
    --ed-bg: #F4F5F6;
    --ed-text: #151515;
    --ed-text-muted: #777777;
    --ed-accent: #000000;
    --ed-border: rgba(0,0,0,0.1);
}

body {
    background-color: var(--ed-bg);
    color: var(--ed-text);
}

.ed-container-sm {
    max-width: 750px;
    margin: 0 auto;
}

/* Typography Helpers */
.ed-section-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ed-text-muted);
    margin-bottom: 2rem;
}
.ed-body-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--ed-text-muted);
}

/* HERO */
.ed-hero {
    position: relative;
    width: 100%;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    padding-top: clamp(6rem, 14vh, 9rem);
    padding-bottom: clamp(3rem, 8vh, 7rem);
    box-sizing: border-box;
}
.ed-hero-bg { position: absolute; inset: 0; z-index: 0; will-change: transform; overflow: hidden; }
.ed-hero-bg img {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
}
.ed-hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(10,10,10,0.65) 0%, rgba(10,10,10,0.15) 50%, transparent 100%);
}
.ed-hero-container { position: relative; z-index: 2; width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 5%; }
.ed-hero-content { max-width: 100%; }
.ed-hero-label {
    display: inline-block;
    font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7); margin-bottom: 1.5rem; transition: color 0.3s ease;
}
.ed-hero-label:hover { color: #fff; }
.ed-hero-title {
    font-family: 'Inter', sans-serif;
    font-size: clamp(2.2rem, 4.2vw, 3.8rem);
    font-weight: 300; line-height: 1.1; letter-spacing: -0.02em;
    color: #fff; margin-bottom: 1.25rem;
}
.ed-hero-desc {
    font-size: clamp(0.95rem, 1.3vw, 1.15rem); line-height: 1.65;
    color: rgba(255,255,255,0.8); max-width: 540px;
}

/* PROJECT INFORMATION */
.ed-info-strip { background: #FFFFFF; border-bottom: 1px solid var(--ed-border); padding: 3rem 0; }
.ed-info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.ed-info-col { display: flex; flex-direction: column; gap: 0.5rem; }
.ed-info-label { font-size: 11px; font-weight: 600; letter-spacing: 0.1em; color: var(--ed-text-muted); text-transform: uppercase; }
.ed-info-val { font-size: 1.05rem; font-weight: 500; color: var(--ed-text); }

/* OVERVIEW */
.ed-overview { padding: 160px 0; }
.ed-overview-text { font-size: 1.4rem; line-height: 1.7; color: var(--ed-text); }

/* GALLERY */
.ed-gallery { padding-bottom: 120px; }
.ed-gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ed-gallery-img { overflow: hidden; background: transparent; will-change: transform; border-radius: 8px; display: flex; }
.ed-gallery-img img { width: 100%; height: auto; object-fit: contain; }
.ed-gallery-img.tall { grid-column: 1 / -1; }
.ed-gallery-img.short { grid-column: auto; }

/* SHARED CASE STUDY SECTION */
.ed-cs-section { padding: 120px 0; border-top: 1px solid var(--ed-border); }
.ed-cs-section--alt { background: #FFFFFF; }
.ed-cs-section-header { margin-bottom: 5rem; max-width: 800px; }
.ed-cs-title {
    font-size: clamp(28px, 3.5vw, 48px); font-weight: 300;
    line-height: 1.1; letter-spacing: -0.02em; color: var(--ed-text);
}
.ed-cs-body { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }

/* CHALLENGE CALLOUTS */
.ed-cs-callouts { display: flex; flex-direction: column; gap: 1.5rem; }
.ed-callout-item {
    display: flex; gap: 1.25rem; align-items: flex-start;
    padding: 1.5rem; border: 1px solid var(--ed-border); border-radius: 8px; background: var(--ed-bg);
}
.ed-callout-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.ed-callout-item strong { display: block; font-size: 0.95rem; font-weight: 600; color: var(--ed-text); margin-bottom: 0.35rem; }
.ed-callout-item p { font-size: 0.9rem; line-height: 1.6; color: var(--ed-text-muted); margin: 0; }

/* RESEARCH */
.ed-research-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.ed-research-card { padding: 2rem; border: 1px solid var(--ed-border); border-radius: 8px; background: var(--ed-bg); }
.ed-research-num { font-size: clamp(36px, 4vw, 56px); font-weight: 300; color: var(--ed-text); letter-spacing: -0.03em; line-height: 1; margin-bottom: 0.5rem; }
.ed-research-label { font-size: 0.9rem; color: var(--ed-text-muted); line-height: 1.4; }

/* KEY FINDINGS */
.ed-insight-strip { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; margin-top: 5rem; padding-top: 4rem; border-top: 1px solid var(--ed-border); }
.ed-insight-item { display: flex; flex-direction: column; gap: 1rem; }
.ed-insight-tag { font-size: 11px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ed-text-muted); }
.ed-insight-item p { font-size: 1rem; line-height: 1.7; color: var(--ed-text); font-style: italic; margin: 0; }

/* USER ROLES */
.ed-users-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.ed-user-card { padding: 2rem; border: 1px solid var(--ed-border); border-radius: 8px; background: var(--ed-bg); }
.ed-user-role { font-size: 1rem; font-weight: 600; color: var(--ed-text); margin-bottom: 0.75rem; }
.ed-user-card p { font-size: 0.9rem; line-height: 1.7; color: var(--ed-text-muted); margin: 0; }

/* IA MODULES */
.ed-ia-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--ed-border); border-radius: 8px; overflow: hidden; }
.ed-ia-module { padding: 2.5rem; border-right: 1px solid var(--ed-border); border-bottom: 1px solid var(--ed-border); }
.ed-ia-module:nth-child(3n) { border-right: none; }
.ed-ia-module:nth-child(n+4) { border-bottom: none; }
.ed-ia-num { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; color: var(--ed-text-muted); margin-bottom: 0.75rem; }
.ed-ia-name { font-size: 1rem; font-weight: 600; color: var(--ed-text); margin-bottom: 0.75rem; }
.ed-ia-module p { font-size: 0.9rem; line-height: 1.6; color: var(--ed-text-muted); margin: 0; }

/* USER FLOWS */
.ed-flows-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--ed-border); }
.ed-flow-row { display: grid; grid-template-columns: 60px 1fr auto; gap: 2rem; align-items: center; padding: 2rem 0; border-bottom: 1px solid var(--ed-border); }
.ed-flow-num { font-size: 1.5rem; font-weight: 300; color: var(--ed-text-muted); }
.ed-flow-name { font-size: 1.05rem; font-weight: 500; color: var(--ed-text); margin-bottom: 0.3rem; }
.ed-flow-desc { font-size: 0.9rem; color: var(--ed-text-muted); line-height: 1.5; }
.ed-flow-tag { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ed-text-muted); white-space: nowrap; padding: 0.4rem 0.9rem; border: 1px solid var(--ed-border); border-radius: 100px; }

/* WIREFRAMES */
.ed-wireframe-progress { display: flex; flex-direction: column; gap: 2rem; }
.ed-wf-stage { display: flex; flex-direction: column; gap: 0.5rem; }
.ed-wf-stage-label { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ed-text); }
.ed-wf-bar { height: 6px; border-radius: 3px; }
.ed-wf-bar--lofi { width: 35%; background: #CBD5E1; }
.ed-wf-bar--midfi { width: 65%; background: #94A3B8; }
.ed-wf-bar--hifi { width: 100%; background: var(--ed-text); }
.ed-wf-stage p { font-size: 0.9rem; color: var(--ed-text-muted); margin: 0; }

/* DESIGN SYSTEM */
.ed-ds-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.ed-ds-block { border: 1px solid var(--ed-border); border-radius: 8px; padding: 2.5rem; background: #fff; }
.ed-ds-block--wide { grid-column: 1 / -1; }
.ed-ds-block-label { font-size: 11px; font-weight: 600; letter-spacing: 0.15em; color: var(--ed-text-muted); text-transform: uppercase; margin-bottom: 2rem; }
.ed-ds-type-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; align-items: end; }
.ed-type-sample { color: var(--ed-text); }
.ed-type-h1 { font-size: 2.5rem; font-weight: 300; letter-spacing: -0.02em; }
.ed-type-h2 { font-size: 1.4rem; font-weight: 500; }
.ed-type-body { font-size: 1rem; font-weight: 400; }
.ed-type-meta { font-size: 11px; color: var(--ed-text-muted); margin-top: 0.5rem; }
.ed-ds-colors { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.ed-ds-swatch { width: 80px; height: 80px; border-radius: 8px; display: flex; flex-direction: column; justify-content: flex-end; padding: 8px; gap: 2px; }
.ed-ds-swatch span { font-size: 9px; color: rgba(255,255,255,0.85); font-weight: 600; line-height: 1.3; }
.ed-ds-swatch--light span { color: #555; }
.ed-ds-statuses { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.ed-status { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; padding: 0.4rem 1rem; border-radius: 100px; }
.ed-status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.ed-status--active { background: #DCFCE7; color: #166534; }
.ed-status--active::before { background: #16A34A; }
.ed-status--warning { background: #FEF9C3; color: #92400E; }
.ed-status--warning::before { background: #D97706; }
.ed-status--critical { background: #FEE2E2; color: #991B1B; }
.ed-status--critical::before { background: #DC2626; }
.ed-status--resolved { background: #EFF6FF; color: #1E40AF; }
.ed-status--resolved::before { background: #3B5BF0; }
.ed-status--pending { background: #F1F5F9; color: #475569; }
.ed-status--pending::before { background: #94A3B8; }
.ed-ds-buttons { display: flex; flex-wrap: wrap; gap: 1rem; }
.ed-btn-demo { padding: 0.6rem 1.4rem; border-radius: 8px; font-size: 0.9rem; font-weight: 500; cursor: default; border: none; }
.ed-btn-primary { background: #3B5BF0; color: #fff; }
.ed-btn-secondary { background: #F1F5F9; color: #0F172A; }
.ed-btn-ghost { background: transparent; color: #475569; border: 1px solid #E2E8F0; }
.ed-btn-danger { background: #FEE2E2; color: #DC2626; }

/* PRODUCT SCREENS */
.ed-screens { padding: 120px 0; background: #fff; border-top: 1px solid var(--ed-border); }
.ed-screens-header { text-align: center; margin-bottom: 80px; max-width: 700px; margin-inline: auto; }
.ed-screens-title { font-size: clamp(28px, 3.5vw, 48px); font-weight: 300; line-height: 1.1; letter-spacing: -0.02em; }
.ed-browser-mockup { background: #fff; border: 1px solid var(--ed-border); border-radius: 12px; box-shadow: 0 40px 80px rgba(0,0,0,0.06); overflow: hidden; margin-bottom: 100px; }
.ed-browser-bar { height: 44px; background: #F8FAFC; border-bottom: 1px solid var(--ed-border); display: flex; align-items: center; padding: 0 16px; gap: 1rem; }
.ed-browser-dots { display: flex; gap: 8px; }
.ed-browser-dots span { width: 10px; height: 10px; border-radius: 50%; background: #D1D5DB; }
.ed-browser-url { font-size: 12px; color: var(--ed-text-muted); }
.ed-browser-content img { width: 100%; display: block; }

/* DESIGN DECISIONS */
.ed-decisions-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--ed-border); margin-top: 2rem; }
.ed-decision-item { display: grid; grid-template-columns: 80px 1fr; gap: 3rem; padding: 3.5rem 0; border-bottom: 1px solid var(--ed-border); align-items: start; }
.ed-decision-num { font-size: clamp(36px, 4vw, 56px); font-weight: 300; color: var(--ed-border); letter-spacing: -0.03em; line-height: 1; }
.ed-decision-body h3 { font-size: 1.2rem; font-weight: 500; color: var(--ed-text); margin-bottom: 1rem; }

/* OUTCOME */
.ed-outcome { padding: 160px 0; border-top: 1px solid var(--ed-border); }
.ed-outcome-title { font-size: clamp(30px, 4vw, 50px); font-weight: 300; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 2rem; }
.ed-outcome-list { margin-top: 4rem; list-style: none; padding: 0; display: flex; flex-direction: column; gap: 1.25rem; }
.ed-outcome-list li { font-size: 1.3rem; color: var(--ed-text); border-bottom: 1px solid var(--ed-border); padding-bottom: 1.25rem; }
.ed-outcome-list span { color: var(--ed-text-muted); font-size: 0.9rem; margin-right: 1rem; }
.ed-learnings { margin-top: 5rem; padding-top: 4rem; border-top: 1px solid var(--ed-border); }
.ed-learnings-label { font-size: 11px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ed-text-muted); margin-bottom: 1.5rem; }

/* NEXT PROJECT */
.ed-next-project { position: relative; width: 100%; height: 70vh; min-height: 500px; display: flex; align-items: center; overflow: hidden; }
.ed-next-bg { position: absolute; inset: 0; z-index: 0; transform: scale(1.05); transition: transform 0.8s ease; }
.ed-next-bg img { width: 100%; height: 100%; object-fit: cover; }
.ed-next-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); transition: background 0.8s ease; }
.ed-next-link { position: relative; z-index: 2; width: 100%; text-decoration: none; color: #fff; display: block; }
.ed-next-label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 0.15em; color: rgba(255,255,255,0.7); margin-bottom: 1.5rem; }
.ed-next-title-wrapper { display: flex; align-items: center; gap: 2rem; }
.ed-next-title { font-size: clamp(40px, 5vw, 72px); font-weight: 300; letter-spacing: -0.02em; transition: transform 0.5s ease; }
.ed-next-arrow { font-size: 3rem; font-weight: 300; transition: transform 0.5s ease; }
.ed-next-project:hover .ed-next-bg { transform: scale(1); }
.ed-next-project:hover .ed-next-overlay { background: rgba(0,0,0,0.4); }
.ed-next-project:hover .ed-next-title { transform: translateX(20px); }
.ed-next-project:hover .ed-next-arrow { transform: translateX(30px); }

/* MOBILE COMPANION */
.mobile-comp-container { display: flex; justify-content: space-between; align-items: flex-start; gap: 60px; margin-top: 40px; }
.mobile-comp-left { flex: 1; display: flex; flex-direction: column; gap: 40px; padding-top: 100px; padding-bottom: 200px; }
.mobile-feature-block { opacity: 0.3; transition: opacity 0.4s ease, transform 0.4s ease; transform: translateY(10px); padding: 60px 0; }
.mobile-feature-block.active { opacity: 1; transform: translateY(0); }
.mobile-feature-block h3 { font-size: 1.5rem; font-weight: 500; margin-bottom: 1rem; color: var(--ed-text); }
.mobile-feature-block p { font-size: 1.1rem; line-height: 1.7; color: var(--ed-text-muted); }
.mobile-comp-right { position: sticky; top: 15vh; height: 800px; width: 420px; flex-shrink: 0; }
.mobile-mockup-wrapper { position: relative; width: 100%; height: 100%; }
.mobile-mockup-wrapper img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.6s ease; }
.mobile-mockup-wrapper img.active { opacity: 1; }

/* DARK HERO NAVBAR */
.navbar-dark-hero:not(.scrolled) .logo-img {
    filter: brightness(0) invert(1);
}
.navbar-dark-hero:not(.scrolled) .nav-links a { color: rgba(255,255,255,0.7); }
.navbar-dark-hero:not(.scrolled) .nav-links a:hover,
.navbar-dark-hero:not(.scrolled) .nav-active { color: #ffffff !important; }
.navbar-dark-hero:not(.scrolled) .hamburger span { background: #ffffff; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .ed-cs-body { grid-template-columns: 1fr; gap: 3rem; }
    .ed-ia-grid { grid-template-columns: repeat(2, 1fr); }
    .ed-ia-module:nth-child(3n) { border-right: 1px solid var(--ed-border); }
    .ed-ia-module:nth-child(2n) { border-right: none; }
    .ed-users-grid { grid-template-columns: repeat(2, 1fr); }
    .ed-insight-strip { grid-template-columns: 1fr; }
    .ed-ds-type-row { grid-template-columns: 1fr; gap: 1.5rem; }
    .ed-ds-grid { grid-template-columns: 1fr; }
    .ed-ds-block--wide { grid-column: 1; }
}
@media (max-width: 768px) {
    .ed-cs-section { padding: 80px 0; }
    .ed-cs-section-header { margin-bottom: 3rem; }
    .ed-gallery-grid { grid-template-columns: 1fr; }
    .ed-gallery-img.tall, .ed-gallery-img.short { grid-column: 1 / -1; }
    .ed-ia-grid { grid-template-columns: 1fr; }
    .ed-ia-module { border-right: none !important; }
    .ed-users-grid { grid-template-columns: 1fr; }
    .ed-research-grid { grid-template-columns: 1fr; }
    .ed-flow-row { grid-template-columns: 40px 1fr; }
    .ed-flow-tag { display: none; }
    .ed-decision-item { grid-template-columns: 1fr; gap: 1rem; }
    .ed-decision-num { font-size: 2rem; }
    .mobile-comp-container { flex-direction: column; align-items: center; }
    .mobile-comp-right { position: relative; top: 0; height: 600px; margin-top: 40px; margin-bottom: 100px; }
    .mobile-comp-left { padding-top: 0; padding-bottom: 0; }
    .ed-overview { padding: 100px 0; }
    .ed-outcome { padding: 100px 0; }
}

/* PROBLEM & SOLUTION SECTION */
.ed-ps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
}
.ed-ps-card {
    background: #F8FAFC;
    border: 1px solid var(--ed-border);
    border-radius: 12px;
    padding: 3rem;
}
.ed-ps-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--ed-text);
}
@media (max-width: 768px) {
    .ed-ps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .ed-ps-card {
        padding: 2rem;
    }
}


/* Split Hero Layout */
.ed-hero-content--split {
    max-width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: clamp(1.5rem, 3.5vw, 4rem);
}
.ed-hero-content--split .ed-hero-title-col {
    flex: 1.2;
}
.ed-hero-content--split .ed-hero-desc-col {
    flex: 1;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 1.5rem;
}
.ed-hero-content--split .ed-hero-desc {
    text-align: right;
}
@media (max-width: 1024px) {
    .ed-hero-content--split {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.75rem;
    }
    .ed-hero-content--split .ed-hero-desc-col,
    .ed-hero-content--split .ed-hero-desc {
        align-items: flex-start;
        text-align: left;
        max-width: 640px;
    }
}