/* 
   Kavanagh Consulting - ELEVATED EDITORIAL
   Style System: Cinematic, Textured, Asymmetrical
*/

:root {
    /* -- Palette -- */
    --bg-color: #050505;
    /* Utter Black */
    --surface-color: #0a0a0a;
    /* Slightly lighter black */
    --text-primary: #F2F2F2;
    /* Soft White (paper-like) */
    --text-secondary: #9A9A9A;
    /* Improved contrast - was #888888 */
    --accent-color: #5A7D9A;
    /* Muted Metallic Blue */
    --border-color: rgba(255, 255, 255, 0.08);

    /* -- Typography -- */
    /* Using Outfit for that sharp, fashion-editorial sans */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --h1-size: clamp(2.5rem, 8vw, 6.5rem);
    /* Massive Scale (Reduced 30%) */
    --h2-size: clamp(2.5rem, 5vw, 4.5rem);
    --h3-size: clamp(1.5rem, 3vw, 2.5rem);
    --body-size: clamp(1rem, 1.1vw, 1.15rem);

    /* -- Spacing -- */
    --container-width: 1600px;
    --section-padding: 15vh;
    /* Force large spacing */
    --grid-gap: clamp(2rem, 4vw, 4rem);

    /* -- Animation -- */
    /* EASE */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
}

/* -- Reset & Base -- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    cursor: default;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--body-size);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* -- Accessibility: Focus States -- */
*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
}

/* -- Typography -- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 0.95;
    /* Super tight leading for display */
    letter-spacing: -0.03em;
    /* Editorial tracking */
}

h1 {
    font-size: var(--h1-size);
    font-weight: 500;
    text-transform: uppercase;
    /* Optional, but adds stateliness */
}

h2 {
    font-size: var(--h2-size);
    margin-bottom: 3rem;
    letter-spacing: -0.03em;
}

h3 {
    font-size: var(--h3-size);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 50ch;
    /* Optimal reading measure */
    font-weight: 300;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}

/* -- Layout Utilities -- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 4vw;
}

.grid {
    display: grid;
    gap: var(--grid-gap);
}

.section {
    padding: var(--section-padding) 0;
    border-top: 1px solid var(--border-color);
    position: relative;
}

/* -- Section Spacing -- */
.section {
    padding: var(--section-padding) 0;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.text-center {
    text-align: center;
}

/* -- Navigation (Glass) -- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 0;
    background: rgba(5, 5, 5, 0.7);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: transform 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-transform: uppercase;
    /* User Requested: Outline */
    -webkit-text-stroke: 0.5px var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--text-primary);
    transform: translateX(-101%);
    transition: transform var(--transition-fast);
}

.nav-link:hover::after {
    transform: translateX(0);
}

/* -- Components -- */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 3.5rem;
    font-size: 0.85rem;
    font-weight: 600;

    .work-item {
        cursor: pointer;
    }

    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 2px;
    /* Slight softening */
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-color);
    border: 1px solid var(--text-primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* Metallic Button Variants */
.btn-metallic {
    position: relative;
    border: none;
    background: var(--metallic-gradient, linear-gradient(135deg, #E0E0E0 0%, #A0A0A0 100%));
    /* Default Silver */
    color: #000000;
    /* Black Text requested */
    transition: all 0.4s ease;
    min-width: 200px;
    /* Equal Sizes requested */
    text-align: center;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 1.25rem 2rem;
    border-radius: 2px;
}

.btn-sm {
    padding: 0.75rem 1.5rem;
    min-width: auto;
    font-size: 0.75rem;
}

/* Remove the pseudo-border hack, we are going solid */
.btn-metallic::before {
    display: none;
}

.btn-metallic span {
    /* Reset text clipping for solid black text */
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    color: #000000;
}

.btn-whatsapp {
    /* WhatsApp Metallic: Lighter Green to Darker Green */
    --metallic-gradient: linear-gradient(135deg, #5FFC7B 0%, #25D366 50%, #128C7E 100%);
}

.btn-zalo {
    /* Zalo Metallic: Cyan to Blue */
    --metallic-gradient: linear-gradient(135deg, #00A5F0 0%, #0068FF 50%, #004EB8 100%);
}

.btn-email {
    /* Steel/Silver: White to Grey */
    --metallic-gradient: linear-gradient(135deg, #FFFFFF 0%, #C0C0C0 50%, #888888 100%);
}

.btn-metallic:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 4px 20px rgba(90, 125, 154, 0.4);
    /* Accented Glow */
}


/* -- Deep Impact Section (Interleaved) -- */

.impact-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 0;
}

@media (min-width: 992px) {
    .impact-row {
        grid-template-columns: 1fr 1fr;
        min-height: 80vh;
        /* Cinematic height */
    }

    .impact-row.reversed {
        direction: rtl;
        /* Swap order visually */
    }

    .impact-row.reversed .impact-content {
        direction: ltr;
        /* Reset text direction */
    }
}

.impact-image-wrapper {
    position: relative;
    width: 100%;
    height: 50vh;
    overflow: hidden;
}

@media (min-width: 992px) {
    .impact-image-wrapper {
        height: 100%;
    }
}

.impact-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease, transform 0.7s ease;
}

.impact-row:hover .impact-image {
    filter: grayscale(0%);
    transform: scale(1.03);
}

.impact-content {
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

@media (min-width: 992px) {
    .impact-content {
        padding: 6rem;
        border-top: none;
        border-left: 1px solid var(--border-color);
    }

    .impact-row.reversed .impact-content {
        border-left: none;
        border-right: 1px solid var(--border-color);
    }
}

.impact-eyebrow {
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.impact-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-family: var(--font-display);
    line-height: 1.1;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.impact-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 500px;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
}

.stat-item p {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}


/* -- "Why we are the edge" Section -- */
.edge-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-top: 4rem;
}

@media (min-width: 768px) {
    .edge-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem 6rem;
    }
}

.edge-item {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.edge-header {
    display: flex;
    align-items: baseline;
    gap: 2rem;
    /* Increased spacing */
}

.edge-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    /* Steel Blue */
    opacity: 0.9;
}

.edge-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.edge-desc {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 95%;
}

/* Cards (Editorial, Minimal) */
.card {
    background: transparent;
    padding: 2rem 0;
    /* Minimal vertical padding, relies on borders */
    border-top: 1px solid var(--border-color);
    transition: var(--transition-slow);
    position: relative;
}

/* Reveal Effect */
.card-details {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    /* Muted by default */
    transition: color 0.5s ease;
}

.card:hover .card-details {
    color: var(--text-primary);
    /* Bright White on Hover */
}

/* Specific styling for internal bold text inside details */
.card-details strong {
    color: var(--text-primary);
    /* Strong tags always white for contrast */
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.03);
    /* Subtle backdrop light-up */
}

.card:hover h3 {
    color: var(--accent-color);
}

.card-num {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    display: block;
}

/* -- Sections -- */

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 150px;
    /* Prevent Nav Overlap */
    position: relative;
    background-color: var(--bg-color);
}

.hero-content {
    max-width: 1200px;
}

/* Specific Section Overrides */
#about {
    padding-bottom: 2rem;
    /* Reduced bottom padding */
}

#services {
    padding-top: 2rem;
    /* Reduced top padding */
    padding-bottom: 5rem;
}

/* Portfolio / Work Grid */
.work-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

@media (min-width: 768px) {
    .work-grid {
        grid-template-columns: 1fr 1fr;
        column-gap: 6rem;
        /* Wider horizontal gap */
        row-gap: 10rem;
        /* Much larger vertical breathing room */
    }

    /* Stagger Effect: Push every second item down */
    .work-item:nth-child(even) {
        margin-top: 8rem;
    }
}

.work-item {
    cursor: pointer;
}

.work-image-wrapper {
    position: relative;
    width: 100%;
    height: auto; /* Allow natural height */
    overflow: hidden;
    margin-bottom: 2rem;
    /* Increased space between image and text */
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.work-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain; /* Ensure no cropping */
    transition: transform 1.2s var(--ease-out-expo);
}

.work-item:hover .work-image {
    transform: scale(1.05);
}

.work-info {
    border-left: 1px solid var(--accent-color);
    padding-left: 2rem;
    transition: padding-left 0.4s ease;
}

.work-item:hover .work-info {
    padding-left: 3rem;
}

.work-title {
    font-family: var(--font-display);
    font-size: 2rem;
    /* Larger title */
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 300;
    /* Lighter weight for elegance */
    line-height: 1.2;
}

.work-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.work-cta {
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    padding: 1rem 2rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    backdrop-filter: blur(4px);
    transform: translateY(10px);
    transition: transform 0.4s ease;
}

.work-item:hover .work-image {
    transform: scale(1.05);
}

.work-item:hover .work-overlay {
    opacity: 1;
}

.work-item:hover .work-cta {
    transform: translateY(0);
}

.work-info {
    border-left: 1px solid var(--accent-color);
    padding-left: 1.5rem;
    transition: padding-left 0.3s ease;
}

.work-item:hover .work-info {
    padding-left: 2rem;
}

.work-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 400;
}

.work-meta {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}


/* Services (Box/Grid Layout) */
.expert-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .expert-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

.expert-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%;
}

.expert-box:hover {
    background: rgba(255, 255, 255, 0.08);
    /* Brighter hover */
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

.expert-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.expert-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 300;
}

.expert-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Cleanup old service styles if needed, or leave for safety */
/* Services (Elevated Split Layout) - PRESERVED BUT OVERRIDDEN BY ABOVE IF NEEDED */
.service-list {
    display: flex;
    flex-direction: column;
}

.service-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    /* Thin & Subtle */
    transition: background 0.4s ease;
    cursor: default;
    position: relative;
    /* For icon positioning */
}

/* Last item border bottom */
.service-row:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .service-row {
        grid-template-columns: 1fr 2fr auto;
        /* Title | Desc | Icon */
        gap: 4rem;
        align-items: flex-start;
        padding: 5rem 0;
    }
}

.service-row:hover {
    background: rgba(255, 255, 255, 0.02);
}



.service-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 3rem);
    /* Much Larger */
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
    margin: 0;
    transition: color 0.3s ease;
}

.service-num {
    font-size: 1rem;
    color: var(--accent-color);
    vertical-align: middle;
    margin-right: 0.5rem;
    letter-spacing: 0.1em;
    opacity: 0.7;
    position: relative;
    top: -2px;
}

.service-row:hover .service-title {
    color: var(--accent-color);
}

.service-right {
    /* Description Column */
    max-width: 65ch;
}

.service-lead {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.service-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

.service-icon {
    display: flex;
    justify-content: flex-end;
    color: var(--text-secondary);
    font-size: 2rem;
    opacity: 0.5;
    transition: all 0.4s ease;
}

@media (max-width: 767px) {
    .service-icon {
        position: absolute;
        top: 3rem;
        right: 0;
    }
}

.service-row:hover .service-icon {
    color: var(--text-primary);
    transform: translate(5px, -5px);
    opacity: 1;
}

/* About Section Split */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: start;
}

.about-image-wrapper {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.about-image:hover {
    filter: grayscale(0%);
}

@media (min-width: 768px) {
    .service-row {
        grid-template-columns: 4fr 6fr 1fr;
        gap: 4rem;
    }

    .about-grid {
        grid-template-columns: 5fr 1fr 6fr;
        /* Image - Spacer - Text */
    }
}

/* Clients */
.client-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: start;
    /* Align to top so text aligns */
    justify-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    cursor: default;
}

.client-logo-wrapper {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--bg-color);
    /* Matches bg, or could be #111 for contrast */
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.client-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(1.5);
    /* Boost brightness for dark mode visibility */
    transition: filter 0.3s ease;
}

.client-slide:hover .client-logo-wrapper {
    border-color: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    background-color: #111;
    /* Slight lift on hover */
}

.client-slide:hover .client-logo-img {
    filter: grayscale(0%);
    /* Full color on hover */
}

.client-name {
    font-family: var(--font-display);
    /* Use the Header font for elegance */
    font-size: 0.9rem;
    /* Slightly larger */
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    /* Wider tracking */
    font-weight: 400;
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(12, 1fr);
    }

    .card-1 {
        grid-column: 1 / 6;
    }

    .card-2 {
        grid-column: 7 / 13;
        /* Reduced Stagger */
    }



    /* Asymmetry */

    .client-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .client-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* -- Back to Top Button -- */
#backToTop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 900;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
}

#backToTop:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

/* -- Scroll Progress -- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-color);
    z-index: 2000;
    transition: width 0.1s linear;
}


/* Testimonials */
.testimonial {
    border-left: 1px solid var(--text-primary);
    padding-left: 3rem;
    margin-bottom: 6rem;
}

.quote {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-family: var(--font-display);
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
    min-width: auto;
    width: auto;
    letter-spacing: 0.05em;
}

/* Nav Link Hover */
.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s;
    position: relative;
}

/* Contact */
.contact-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 4rem;
}

/* Footer */
.footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* -- Animations -- */
@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-fade-in {
    opacity: 0;
    animation: heroFadeIn 0.8s var(--ease-out-expo) forwards;
}

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
    will-change: opacity, transform;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 6rem;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero h1 {
        font-size: 3.5rem;
    }
}

/* -- Carousels -- */

/* Clients */
.client-swiper {
    width: 100%;
    padding: 2rem 0;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    /* Fade edges */
}

.client-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    /* Always visible */
    transition: opacity 0.3s;
    width: 280px;
    /* Fixed width for consistency */
    flex-shrink: 0;
}

.client-slide:hover {
    opacity: 1;
}

.client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    cursor: default;
    width: 100%;
}

.client-logo-wrapper {
    width: 100px;
    /* Standardized Circle */
    height: 100px;
    border-radius: 50%;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.client-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: none;
    /* Full Color by default */
    transition: transform 0.3s ease;
}

.client-slide:hover .client-logo-wrapper {
    border-color: var(--text-primary);
    /* Just border highlight */
    background-color: transparent;
    /* No bg change */
    transform: none;
    /* No movement */
    box-shadow: none;
    /* No shadow */
}

.client-slide:hover .client-logo-img {
    transform: scale(1.05);
    /* Subtle zoom on interact */
}

.client-info {
    text-align: center;
    display: flex;
    flex-direction: row;
    /* Name in line with description */
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    /* Allow wrapping if too long */
    max-width: 90%;
    line-height: 1.4;
}

.client-title {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
    opacity: 1;
    /* Fully visible */
    font-weight: 500;
    white-space: nowrap;
}

/* Dash separator to make it clear */
.client-title::after {
    content: "—";
    margin-left: 0.5rem;
    opacity: 0.4;
}

.client-meta {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
    opacity: 0.8;
    /* High readability */
    white-space: nowrap;
}

/* Add a separator dash visually if they wrap? No, just space nicely. */
.client-slide:hover .client-title,
.client-slide:hover .client-meta {
    opacity: 1;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.review-slide {
    height: auto;
    /* Allow content to dictate height */
}

.review-card {
    background: transparent;

    /* -- Evidence Log (Ex-Reviews) -- */
    .review-card.evidence-card {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: space-between;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--border-color);
        padding: 3rem;
        height: 100%;
        min-height: 400px;
        transition: all 0.4s ease;
    }

    .review-card.evidence-card:hover {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.15);
        transform: translateY(-5px);
    }

    .evidence-category {
        font-family: var(--font-body);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.15em;
        color: var(--accent-color);
        margin-bottom: 1.5rem;
        font-weight: 500;
    }

    .evidence-headline {
        font-family: var(--font-display);
        font-size: 1.75rem;
        font-weight: 400;
        color: var(--text-primary);
        line-height: 1.3;
        margin-bottom: 2rem;
        /* "The Edge" feel */
    }

    .evidence-quote {
        font-family: var(--font-body);
        font-size: 1rem;
        color: var(--text-secondary);
        line-height: 1.7;
        font-style: italic;
        margin-bottom: 2.5rem;
        flex-grow: 1;
    }

    .evidence-author {
        font-family: var(--font-body);
        font-size: 0.875rem;
        color: var(--text-secondary);
        font-style: normal;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-color);
        width: 100%;
    }

    .evidence-logo {
        display: block;
        max-width: 120px;
        height: auto;
        margin-bottom: 1.5rem;
        border-radius: 4px;
        /* Optional slight roundness */
    }

    font-style: normal;
}

/* Swiper Pagination Customization */
.swiper-pagination-bullet {
    background: var(--text-secondary);
    opacity: 0.3;
}

/* -- Impact Briefing Page (Redacted Report Style) -- */
.briefing-main-title {
    font-family: var(--font-display);
    font-size: var(--h1-size);
    font-weight: 300;
    line-height: 0.9;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
}

.briefing-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.briefing-row {
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    /* Thin white line */
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .briefing-row {
        grid-template-columns: 1fr 2.5fr;
        /* 1:3 Ratio */
        gap: 4rem;
    }
}

.briefing-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.briefing-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    /* Steel Blue */
}

.briefing-sect.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 0.05em;
    /* Outline Effect */
    color: transparent;
    -webkit-text-stroke: 1px var(--text-primary);
    transition: all 0.3s ease;
}

.logo:hover {
    color: var(--text-primary);
    -webkit-text-stroke: 0px;
    /* Fill on hover */
}

.briefing-sector {
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    opacity: 0.8;
}

.briefing-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.briefing-block {
    display: block;
}

.briefing-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.briefing-text {
    font-family: var(--font-body);
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--text-primary);
    max-width: 65ch;
}

.briefing-outcome {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

/* -- Mobile Navigation -- */

/* Desktop Nav Utility */
@media (max-width: 1024px) {
    .desktop-only {
        display: none !important;
    }
}

/* Hamburger Button */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 2000;
    /* Above Overlay */
    padding: 0;
}

.hamburger .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    transform-origin: left;
}

@media (max-width: 1024px) {
    .hamburger {
        display: flex;
    }
}

/* Hamburger Animation */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1500;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text-primary);
    text-transform: uppercase;
    font-weight: 300;
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.mobile-link:hover {
    color: var(--accent-color);
}

/* Stagger Animation for Links */
.mobile-menu-overlay.active .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-overlay.active .mobile-link:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu-overlay.active .mobile-link:nth-child(2) {
    transition-delay: 0.2s;
}

.mobile-menu-overlay.active .mobile-link:nth-child(3) {
    transition-delay: 0.3s;
}

.mobile-menu-overlay.active .mobile-link:nth-child(4) {
    transition-delay: 0.4s;
}

.mobile-menu-overlay.active .mobile-link:nth-child(5) {
    transition-delay: 0.5s;
}

.mobile-menu-overlay.active .mobile-btn {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.mobile-btn {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    margin-top: 2rem;
}

/* -- Services Page Uplift (Preserved) -- */
.service-row {
    position: relative;
    padding: 6rem 0;
    /* More breathing room */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.5s ease;
}

.service-row:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* -- Agency Polish: Standardized Hero -- */
.page-hero {
    position: relative;
    padding-top: 15rem;
    /* Standardized visual anchor */
    padding-bottom: 6rem;
    min-height: 70vh;
    /* Consistent impact */
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--h1-size);
    font-weight: 500;
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .page-hero {
        padding-top: 10rem;
        min-height: auto;
        padding-bottom: 4rem;
    }
}


/* Index Number */
.service-index {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--accent-color);
    /* Metallic Blue */
    margin-bottom: 1rem;
    display: block;
    opacity: 0.7;
    letter-spacing: 0.1em;
}

/* Service Name (Editorial Size) */
.service-name {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 3.5rem) !important;
    /* Bigger */
    color: var(--text-primary);
    font-weight: 300;
    line-height: 1.1;
    transition: color 0.3s ease;
}

/* Remove misleading interaction if not clickable */
.service-row:hover {
    background-color: transparent !important;
    cursor: default;
}

.service-row:hover .service-name {
    color: var(--text-primary);
    /* Don't change color if not a link */
}

/* Arrow Interaction */
.service-arrow {
    position: absolute;
    top: 6rem;
    right: 0;
    font-size: 2rem;
    color: var(--text-primary);
    opacity: 0;
    transform: translate(-20px, 20px);
    /* Bottom left start */
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 768px) {
    .service-arrow {
        position: relative;
        top: auto;
        right: auto;
        align-self: flex-end;
        /* Bottom right of detail column */
        margin-top: 2rem;
    }
}

.service-row:hover .service-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* Details Column */
.service-details {
    position: relative;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .service-row {
        gap: 1.5rem;
        padding: 4rem 0;
    }

    .service-name {
        font-size: 2rem !important;
    }

    .service-arrow {
        display: none;
        /* Hide on mobile to save space */
    }
}

/* -- Services 2.0 (Grid Layout) -- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 0;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2x4 Layout (Desktop) */
        grid-auto-rows: 1fr;
        /* Force equal height rows */
        gap: 2rem;
        max-width: 900px;
        /* Constrain width */
        margin-left: auto;
        margin-right: auto;
    }
}

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    /* Changed from accent for neutrality */
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    /* Neutralized interaction */
    transform: none;
    box-shadow: none;
    cursor: default;
}

.service-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.service-index {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--accent-color);
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.service-icon-lg {
    font-size: 1.5rem;
    color: var(--text-primary);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon-lg {
    opacity: 0.8;
    color: var(--text-primary);
    transform: none;
}

/* -- Scroll Indicator -- */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    opacity: 0.6;
    color: var(--text-secondary);
    font-size: 1.5rem;
    pointer-events: none;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    /* Reduced from 2.5rem to fit cards */
    color: var(--text-primary);
    font-weight: 400;
    margin-bottom: 1rem;
}

.service-desc {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    /* Pushes content to fill height if needed */
}

/* -- "The Edge" Interventions -- */
.edge-pillars {
    display: flex;
    flex-direction: column;
    gap: 8rem;
}

.edge-pillar {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 4rem;
}

.edge-pillar-header {
    margin-bottom: 4rem;
}

.pillar-tag {
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    display: block;
    margin-bottom: 0.5rem;
}

.pillar-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
}

.pillar-sub {
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: 300;
}

/* Edge Card (The Intervention) */
.edge-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem;
    /* Increased breathing room */
    margin-bottom: 3rem;
    /* More space between cards */
    cursor: pointer;
    transition: all 0.3s ease;
}

.edge-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}

.edge-visible {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    /* More gap inside */
}

@media (min-width: 768px) {
    .edge-visible {
        flex-direction: row;
        align-items: baseline;
        gap: 3rem;
        /* Wider gap on desktop */
    }
}

.edge-number {
    font-family: var(--font-display);
    font-size: 1.25rem;
    /* Slightly smaller index to let title sing */
    color: var(--accent-color);
    font-weight: 700;
    min-width: 40px;
    opacity: 0.8;
}

.edge-title {
    font-family: var(--font-display);
    font-size: 2rem;
    /* Much Bigger Title (Was 1.5rem) */
    font-weight: 400;
    /* Lighter weight */
    color: var(--text-primary);
    flex-grow: 1;
    line-height: 1.1;
}

.edge-context-tag {
    font-family: var(--font-body);
    font-size: 0.85rem;
    /* Slightly larger */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.edge-toggle-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.3s ease;
}

/* Flashbulb Active State (Inverted) */
.edge-card.active {
    background: var(--text-primary);
    border-color: var(--text-primary);
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    z-index: 10;
    padding: 3.5rem;
    /* Even more space when active */
}

.edge-card.active .edge-number {
    color: var(--bg-color);
    opacity: 1;
}

.edge-card.active .edge-title {
    color: var(--bg-color);
    font-weight: 500;
}

.edge-card.active .edge-context-tag {
    color: var(--bg-color);
    border-color: rgba(0, 0, 0, 0.2);
    font-weight: 500;
}

.edge-card.active .edge-content-hidden p {
    color: rgba(5, 5, 5, 0.9);
}

.edge-card.active .edge-content-hidden strong {
    color: #000;
}

.edge-card.active .edge-difference {
    color: var(--accent-color) !important;
    border-left-color: var(--accent-color);
    font-weight: 500;
}

/* Hide button when active (redundant check but good safety) */
/* .edge-card.active .edge-toggle-btn {
    display: none;
} - REMOVED to keep button visible */

/* Read Brief Button (High Prominence) */
.edge-toggle-btn {
    background: var(--accent-color);
    /* Solid Color */
    border: 1px solid var(--accent-color);
    color: var(--bg-color);
    /* Dark text on bright bg */
    font-family: var(--font-body);
    font-size: 0.9rem;
    /* Slightly larger */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    /* Larger touch target */
    margin-top: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(90, 125, 154, 0.3);
}

.edge-toggle-btn:hover {
    background: #fff;
    border-color: #fff;
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 255, 255, 0.2);
}

/* Close Button (Bottom) - Matches style for consistency */
.edge-close-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    margin-left: auto;
    /* Align right */
    padding: 0.6rem 1.2rem;
    transition: all 0.3s ease;
}

.edge-close-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}


/* Hidden Content (Reveal) */
.edge-content-hidden {
    display: none;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    animation: fadeSlideDown 0.4s ease-out;
}

.edge-card.active .edge-content-hidden {
    display: block;
}

.edge-content-hidden p {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 65ch;
}

.edge-content-hidden strong {
    color: var(--text-primary);
    font-weight: 600;
}

.edge-difference {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--accent-color) !important;
    font-style: italic;
    border-left: 2px solid var(--accent-color);
    padding-left: 1rem;
    margin-top: 2rem;
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Z-Pattern Layout (Desktop) */
@media (min-width: 992px) {
    .edge-card {
        max-width: 90%;
    }

    /* Even cards shift right */
    .edge-card:nth-child(even) {
        margin-left: auto;
    }
}