/* ===================================
   SOZPIC AI PRESENTATION
   Editorial Bold Design - B&W Only
   Mobile-First Approach
   =================================== */

   :root {
    --black: #000000;
    --white: #FFFFFF;
    --gray: #0C0C0C;
    --text-scale: 1.15;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Space Grotesk', sans-serif;
    background: var(--white);
    color: var(--black);
    font-size: calc(16px * var(--text-scale));
}

/* ===================================
   SLIDE BASE
   =================================== */

.slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    padding: 1.5rem;
    overflow: hidden;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.slide-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    opacity: 0.4;
}

/* ===================================
   SLIDE 1: COVER
   =================================== */

.slide-cover {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--black);
    color: var(--white);
    padding: 2rem 1.5rem;
    position: relative;
}

.cover-logo-main {
    width: 80%;
    max-width: 18rem;
    position: relative;
    z-index: 2;
    margin-bottom: 2rem;
    opacity: 0;
    filter: blur(10px);
    transform: translateY(1rem);
}

.slide-cover.active .cover-logo-main {
    animation: fadeInBlur 0.8s ease-out 0s forwards;
}

.cover-logo-main img {
    width: 100%;
    filter: invert(1) drop-shadow(0 0 60px rgba(255, 255, 255, 0.1));
}

.cover-content {
    text-align: center;
    z-index: 1;
}

.cover-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    opacity: 0;
    filter: blur(10px);
    transform: translateY(1rem);
}

.slide-cover.active .cover-title {
    animation: fadeInBlurTitle 0.8s ease-out 0.4s forwards;
}

.cover-subtitle {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    opacity: 0;
    text-transform: uppercase;
    filter: blur(10px);
    transform: translateY(1rem);
}

.slide-cover.active .cover-subtitle {
    animation: fadeInBlurSubtitle 0.8s ease-out 0.8s forwards;
}

/* Fade in blur animations */
@keyframes fadeInBlur {
    0% {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(1rem);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
}

@keyframes fadeInBlurTitle {
    0% {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(1rem);
    }
    100% {
        opacity: 0.9;
        filter: blur(0);
        transform: translateY(0);
    }
}

@keyframes fadeInBlurSubtitle {
    0% {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(1rem);
    }
    100% {
        opacity: 0.4;
        filter: blur(0);
        transform: translateY(0);
    }
}

.cover-frame {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.15);
    pointer-events: none;
}

.cover-frame-tl {
    top: 1.5rem;
    left: 1.5rem;
    width: 3rem;
    height: 3rem;
    border-right: none;
    border-bottom: none;
}

.cover-frame-br {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    border-left: none;
    border-top: none;
}

/* ===================================
   SLIDE 6: INDEX
   =================================== */

.slide-index {
    background: var(--white);
    padding: 3rem 1.5rem 4rem;
    overflow-y: auto;
}

.index-header {
    margin-bottom: 2rem;
}

.index-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.index-line {
    width: 30%;
    height: 2px;
    background: var(--black);
    margin-top: 1rem;
    margin-left: 70%;
}

.index-intro {
    margin-bottom: 2rem;
    margin-top: 1rem;
    padding: 0;
    max-width: 90%;
}

.index-intro p {
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.75;
}

.index-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.9rem;
    margin-left: 0;
}

.index-item {
    position: relative;
    padding-left: 2rem;
    text-decoration: none;
    color: var(--black);
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.index-item:active {
    transform: translateX(0.3rem);
}

.index-item:active .index-service {
    opacity: 0.7;
}

.index-num {
    position: absolute;
    left: 0;
    top: 0.1rem;
    font-size: 0.95rem;
    font-weight: 900;
    opacity: 0.15;
    transition: opacity 0.3s ease;
}

.index-item:active .index-num {
    opacity: 0.3;
}

.index-service {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    transition: opacity 0.3s ease;
}

.index-desc {
    font-size: 1rem;
    font-weight: 300;
    opacity: 0.6;
    line-height: 1.3;
}

.index-isotipo {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 4rem;
    opacity: 0.06;
    transform: rotate(-15deg);
}

.index-isotipo img {
    width: 100%;
}

/* Static index items (no hover effect) */
.index-item-static {
    cursor: default;
}

.index-item-static:hover {
    transform: none;
}

.index-item-static:hover .index-service {
    opacity: 1;
}

.index-item-static:hover .index-num {
    opacity: 0.15;
}

/* ===================================
   SLIDE 3 & 5: SERVICE DESCRIPTION
   =================================== */

.slide-service-desc {
    background: var(--white);
    display: flex;
    flex-direction: column;
    padding: 3rem 1.5rem 2rem;
    overflow-y: auto;
}
@media (max-width: 991px){
        
    .slide-service-desc {
        padding-bottom: 6rem;
    }
}

.slide-tech-full {
    padding-bottom: 4rem;
}

.service-logo {
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    width: 2rem;
    opacity: 0.9;
    z-index: 10;
}

.service-logo img {
    width: 100%;
}

.service-bg-isotipo {
    position: absolute;
    top: 50%;
    right: -10%;
    width: 15rem;
    opacity: 0.04;
    z-index: 0;
    animation: floatIsotipo 8s ease-in-out infinite;
}

.service-bg-isotipo img {
    width: 100%;
}

.service-header {
    position: relative;
    z-index: 1;
    margin-bottom: 1.25rem;
}
@media (max-width: 991px){
        
    .service-header {
        padding-top: 3rem;
    }
}

.service-number {
    font-size: 4rem;
    font-weight: 900;
    opacity: 0.08;
    line-height: 1;
    margin-bottom: -1.2rem;
}

.service-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -0.03em;
}

.service-title-main {
    display: block;
    margin-bottom: 0.3rem;
}

.service-title-sub {
    display: block;
    margin-left: 0;
    margin-top: 0.5rem;
    font-style: italic;
    opacity: 0.3;
    white-space: normal;
}

.service-description {
    position: relative;
    z-index: 1;
}

.service-lead {
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 1.25rem;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.service-features-compact {
    gap: 0.9rem;
}

.service-features-compact .feature h4 {
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.service-features-compact .feature p {
    font-size: 0.7rem;
    line-height: 1.4;
}

.feature h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature p {
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.5;
    opacity: 0.7;
}

/* Numbered Features Styling */
.service-features-numbered {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
@media (max-width: 991px){
    .service-features-numbered {
        display: flex;
        gap: 2rem;
    }
    
}

.feature-numbered {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
}

.feature-number {
    flex-shrink: 0;
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
    opacity: 0.12;
}

.feature-content {
    flex: 1;
}

.feature-numbered .feature-content h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.25;
}

.feature-numbered .feature-content p {
    font-size: 0.82rem;
    font-weight: 300;
    line-height: 1.45;
    opacity: 0.7;
}

.service-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 40%;
    background: var(--black);
    z-index: 0;
    opacity: 0.03;
    clip-path: polygon(0 30%, 100% 0, 100% 100%, 0 100%);
    transform: translateY(10%);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-service-desc.active .service-accent {
    transform: translateY(0);
}

/* Animations */
@keyframes floatIsotipo {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(2rem, -1.5rem) rotate(5deg);
    }
    50% {
        transform: translate(1rem, -2.5rem) rotate(-3deg);
    }
    75% {
        transform: translate(-1.5rem, -1rem) rotate(4deg);
    }
}

/* ===================================
   SLIDE 4: SERVICE CASES
   =================================== */

.slide-service-cases {
    background: var(--white);
    color: var(--black);
    padding: 3rem 1.5rem 4rem;
    overflow-y: auto;
}

.slide-service-cases .slide-number {
    color: var(--black);
}

.cases-header {
    margin-bottom: 2rem;
}

.cases-title {
    font-size: 2.2rem;
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.cases-subtitle {
    font-size: 0.8rem;
    font-weight: 300;
    opacity: 0.4;
    margin-left: 0.5rem;
    font-style: italic;
}

.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.cases-grid-full {
    gap: 1.2rem;
}

.case-item {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.2);
}

.cases-grid-full .case-item {
    padding: 1rem 0;
}

.case-metric {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
    color: var(--black);
}

.case-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-desc {
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.5;
    opacity: 0.7;
}

.cases-logo {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    width: 10rem;
    opacity: 0.06;
}

.cases-logo img {
    width: 100%;
}

.cases-decoration {
    position: absolute;
    top: 15%;
    right: -5%;
    width: 10rem;
    height: 10rem;
    transform: rotate(-25deg);
    background-color: #f5f5f5;
    z-index: -1;
}

/* ===================================
   NAVIGATION
   =================================== */

.presentation-nav {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.6rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.slide-cover.active ~ .presentation-nav {
    background: rgba(0, 0, 0, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
}

.slide-cover.active ~ .presentation-nav .nav-btn,
.slide-cover.active ~ .presentation-nav .nav-progress {
    color: var(--white);
}

.slide-service-cases.active ~ .presentation-nav {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
}

.slide-service-cases.active ~ .presentation-nav .nav-btn,
.slide-service-cases.active ~ .presentation-nav .nav-progress {
    color: var(--black);
}

.nav-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    color: var(--black);
    transition: opacity 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.nav-btn:active {
    opacity: 0.6;
}

.nav-btn:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

.nav-progress {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--black);
}

.nav-separator {
    opacity: 0.3;
}

/* ===================================
   FLUORESCENT UNDERLINE ANIMATION
   =================================== */

.fluorescent-underline {
    position: relative;
    display: inline-block;
}

.fluorescent-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1rem;
    background: rgba(255, 255, 0, 1);
    opacity: 0;
    transition: none;
    z-index: -1;
    mix-blend-mode: multiply;
}

/* Animation keyframe - left to right (highlighter effect) */
@keyframes underlineSlide {
    0% {
        width: 0%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        width: 100%;
        opacity: 1;
    }
}

/* Active state - trigger animation when slide is active */
.slide.active .fluorescent-underline::after {
    animation: underlineSlide 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Staggered delays for multiple underlined elements */
.slide.active .fluorescent-underline:nth-child(1)::after {
    animation-delay: 0.3s;
}

.slide.active .fluorescent-underline:nth-child(2)::after {
    animation-delay: 0.6s;
}

.slide.active .fluorescent-underline:nth-child(3)::after {
    animation-delay: 0.9s;
}

.slide.active .fluorescent-underline:nth-child(4)::after {
    animation-delay: 1.2s;
}

.slide.active .fluorescent-underline:nth-child(5)::after {
    animation-delay: 1.5s;
}

/* If using within specific elements, use data attributes for more control */
.fluorescent-underline[data-delay="1"]::after {
    animation-delay: 0.3s;
}

.fluorescent-underline[data-delay="2"]::after {
    animation-delay: 0.6s;
}

.fluorescent-underline[data-delay="3"]::after {
    animation-delay: 0.9s;
}

.fluorescent-underline[data-delay="4"]::after {
    animation-delay: 1.2s;
}

.fluorescent-underline[data-delay="5"]::after {
    animation-delay: 1.5s;
}

/* Reset animation when slide is not active */
.slide:not(.active) .fluorescent-underline::after {
    width: 0%;
    opacity: 0;
    animation: none;
}


/* ===================================
   RESPONSIVE ADJUSTMENTS - Mobile First
   =================================== */

/* Tablet Portrait & Up (768px) */
@media (min-width: 48rem) {
    .slide {
        padding: 2rem;
    }
    
    .slide-number {
        top: 1.5rem;
        right: 1.5rem;
        font-size: 0.9rem;
    }
    
    /* COVER SLIDE */
    .slide-cover {
        padding: 3rem 2rem;
    }
    
    .cover-logo-main {
        max-width: 22rem;
        margin-bottom: 2.5rem;
    }
    
    .cover-title {
        font-size: 1.6rem;
    }
    
    .cover-subtitle {
        font-size: 0.8rem;
    }
    
    .cover-frame-tl,
    .cover-frame-br {
        width: 5rem;
        height: 5rem;
    }
    
    /* INDEX SLIDE */
    .slide-index {
        padding: 3.5rem 2.5rem;
    }
    
    .index-title {
        font-size: 2.8rem;
    }
    
    .index-intro {
        margin-bottom: 2.5rem;
        margin-top: 1.25rem;
        padding: 0;
        max-width: 85%;
    }
    
    .index-intro p {
        font-size: 1rem;
        line-height: 1.65;
    }
    
    .index-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem 3rem;
        margin-left: 2%;
    }
    
    .index-item {
        padding-left: 2.8rem;
    }
    
    .index-num {
        font-size: 1.3rem;
    }
    
    .index-service {
        font-size: 1.15rem;
    }
    
    .index-desc {
        font-size: 0.8rem;
    }
    
    .index-isotipo {
        width: 5rem;
        bottom: 2rem;
        right: 2rem;
    }
    
    /* SERVICE DESC SLIDE */
    .slide-service-desc {
        padding: 4rem 2.5rem;
    }
    
    .service-logo {
        top: 1.5rem;
        left: 2.5rem;
        width: 2.5rem;
    }
    
    .service-number {
        font-size: 5.5rem;
        margin-bottom: -1.8rem;
    }
    
    .service-title {
        font-size: 2.75rem;
    }
    
    .service-lead {
        font-size: 1.15rem;
    }
    
    .feature h4 {
        font-size: 1.05rem;
    }
    
    .feature p {
        font-size: 0.9rem;
    }
    
    /* Numbered Features - Tablet */
    .service-features-numbered {
        gap: 1.25rem;
    }
    
    .feature-numbered {
        gap: 0.6rem;
    }
    
    .feature-number {
        font-size: 2.5rem;
    }
    
    .feature-numbered .feature-content h4 {
        font-size: 0.78rem;
        margin-bottom: 0.4rem;
    }
    
    .feature-numbered .feature-content p {
        font-size: 0.88rem;
        line-height: 1.5;
    }
    
    .service-features-compact {
        gap: 1rem;
    }
    
    .service-features-compact .feature h4 {
        font-size: 0.9rem;
    }
    
    .service-features-compact .feature p {
        font-size: 0.78rem;
    }
    
    .service-bg-isotipo {
        width: 18rem;
    }
    
    /* CASES SLIDE */
    .slide-service-cases {
        padding: 3.5rem 2.5rem;
    }
    
    .cases-title {
        font-size: 3rem;
    }
    
    .cases-subtitle {
        font-size: 0.9rem;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .cases-grid-full {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .cases-logo {
        width: 12rem;
        bottom: 2rem;
        left: 2.5rem;
    }
    
    .cases-decoration {
        width: 12rem;
        height: 12rem;
    }
    
    /* NAVIGATION */
    .presentation-nav {
        gap: 1.5rem;
        padding: 0.7rem 1.25rem;
    }
    
    .nav-btn {
        font-size: 1.35rem;
    }
    
    .nav-progress {
        font-size: 0.9rem;
    }
}

/* Desktop & Up (1024px) */
@media (min-width: 64rem) {
    .slide {
        padding: 3rem;
    }
    
    .slide-number {
        top: 2rem;
        right: 2rem;
        font-size: 1.2rem;
    }
    
    /* COVER SLIDE */
    .slide-cover {
        padding: 4rem;
    }
    
    .cover-logo-main {
        max-width: 28rem;
        margin-bottom: 3rem;
    }
    
    .cover-title {
        font-size: 1.8rem;
    }
    
    .cover-subtitle {
        font-size: 1rem;
    }
    
    .cover-frame-tl,
    .cover-frame-br {
        top: 2.5rem;
        left: 2.5rem;
        width: 7rem;
        height: 7rem;
    }
    
    .cover-frame-br {
        top: auto;
        left: auto;
        bottom: 2.5rem;
        right: 2.5rem;
    }
    
    /* INDEX SLIDE */
    .slide-index {
        padding: 4rem 3.5rem;
    }
    
    .index-title {
        font-size: 3.5rem;
    }
    
    .index-intro {
        margin-bottom: 3rem;
        margin-top: 1.5rem;
        padding: 0;
        max-width: 75%;
    }
    
    .index-intro p {
        font-size: 1.15rem;
        line-height: 1.7;
    }
    
    .index-content {
        gap: 2.2rem 4rem;
        margin-left: 4%;
    }
    
    .index-item {
        padding-left: 3rem;
    }
    
    .index-item:hover {
        transform: translateX(0.5rem);
    }
    
    .index-item:hover .index-service {
        opacity: 0.7;
    }
    
    .index-item:hover .index-num {
        opacity: 0.3;
    }
    
    .index-num {
        font-size: 1.5rem;
        top: 0.2rem;
    }
    
    .index-service {
        font-size: 1.55rem;
    }
    
    .index-desc {
        font-size: 1.15rem;
    }
    
    .index-isotipo {
        width: 6.5rem;
        bottom: 2.5rem;
        right: 2.5rem;
    }
    
    /* SERVICE DESC SLIDE */
    .slide-service-desc {
        display: grid;
        grid-template-columns: minmax(auto, 28rem) 1fr;
        grid-template-rows: auto 1fr;
        gap: 2.5rem 3.5rem;
        padding: 4rem 3.5rem;
        overflow-y: auto;
        align-items: start;
    }
    
    .service-logo {
        top: 2rem;
        left: 3.5rem;
        width: 3rem;
    }
    
    .service-header {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        margin-top: 4rem;
        margin-bottom: 0;
        grid-column: 1;
        grid-row: 1;
    }
    
    .service-number {
        font-size: 7.5rem;
        margin-bottom: -2.5rem;
        line-height: 0.85;
    }
    
    .service-title {
        font-size: 3.5rem;
        margin-bottom: 0;
    }
    
    .service-description {
        display: contents;
    }
    
    .service-lead {
        font-size: 1.35rem;
        margin-bottom: 0;
        padding-top: 4rem;
        grid-column: 2;
        grid-row: 1;
    }
    
    .service-features {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        grid-column: 1 / -1;
        grid-row: 2;
    }
    
    .service-features-compact {
        gap: 1.3rem;
    }
    
    .service-features-compact .feature h4 {
        font-size: 1rem;
    }
    
    .service-features-compact .feature p {
        font-size: 0.85rem;
    }
    
    .feature h4 {
        font-size: 1.2rem;
    }
    
    .feature p {
        font-size: 0.9rem;
    }
    
    /* Numbered Features - Desktop */
    .service-features-numbered {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        grid-column: 1 / -1;
    }
    
    .feature-numbered {
        gap: 0.75rem;
    }
    
    .feature-number {
        font-size: 3rem;
    }
    
    .feature-numbered .feature-content h4 {
        font-size: 1.25rem;
        margin-bottom: 1.05rem;
    }
    
    .feature-numbered .feature-content p {
        font-size: 0.92rem;
        line-height: 1.55;
    }
    
    .service-bg-isotipo {
        width: 22rem;
    }
    
    /* CASES SLIDE */
    .slide-service-cases {
        padding: 4rem 3.5rem;
    }
    
    .cases-title {
        font-size: 4.5rem;
    }
    
    .cases-subtitle {
        font-size: 1.1rem;
    }
    
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }
    
    .cases-grid-full {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.8rem;
    }
    
    .case-item {
        padding: 1.75rem 0;
    }
    
    .cases-grid-full .case-item {
        padding: 1.1rem 0;
    }
    
    .case-metric {
        font-size: 2.75rem;
    }
    
    .case-title {
        font-size: 1.2rem;
    }
    
    .case-desc {
        font-size: 0.9rem;
    }
    
    .cases-logo {
        width: 16rem;
        bottom: 2.5rem;
        left: 3.5rem;
    }
    
    .cases-decoration {
        width: 16rem;
        height: 16rem;
    }
    
    /* NAVIGATION */
    .presentation-nav {
        bottom: 2rem;
        right: 2rem;
        left: auto;
        transform: none;
        gap: 2rem;
        padding: 0.8rem 1.5rem;
        border-radius: 0;
    }
    
    .nav-btn {
        font-size: 1.5rem;
        padding: 0.3rem 0.8rem;
    }
    
    .nav-btn:hover {
        opacity: 0.6;
    }
    
    .nav-progress {
        font-size: 1rem;
        gap: 0.6rem;
    }
}

/* Large Desktop (1400px+) */
@media (min-width: 87.5rem) {
    .slide-cover {
        padding: 6rem;
    }
    
    .cover-logo-main {
        max-width: 35rem;
    }
    
    .cover-frame-tl,
    .cover-frame-br {
        top: 3rem;
        left: 3rem;
        width: 8rem;
        height: 8rem;
    }
    
    .cover-frame-br {
        top: auto;
        left: auto;
        bottom: 3rem;
        right: 3rem;
    }
    
    .slide-index {
        padding: 5rem 4rem;
    }
    
    .index-title {
        font-size: 4.2rem;
    }
    
    .index-intro {
        margin-bottom: 3.5rem;
        margin-top: 1.75rem;
        padding: 0;
        max-width: 70%;
    }
    
    .index-intro p {
        font-size: 1.3rem;
        line-height: 1.75;
    }
    
    .index-content {
        gap: 1.5rem 5rem;
        margin-left: 5%;
    }
    
    .index-item {
        padding-left: 3.5rem;
    }
    
    .index-num {
        font-size: 1.8rem;
    }
    
    .index-service {
        font-size: 1.5rem;
    }
    
    .index-desc {
        font-size: 0.92rem;
    }
    
    .index-isotipo {
        width: 8rem;
        bottom: 3rem;
        right: 3rem;
    }
    
    .slide-service-desc {
        grid-template-columns: minmax(auto, 32rem) 1fr;
        gap: 3rem 4.5rem;
        padding: 5rem 4rem;
    }
    
    .service-logo {
        top: 2rem;
        left: 4rem;
        width: 3.5rem;
    }
    
    .service-header {
        margin-top: 5rem;
    }
    
    .service-number {
        font-size: 8.75rem;
        margin-bottom: -2.9rem;
    }
    
    .service-title {
        font-size: 3.73rem;
    }
    
    .service-lead {
        font-size: 1.4rem;
        padding-top: 5rem;
    }
    
    .service-features {
        gap: 1.3rem;
    }
    
    .service-features-compact {
        gap: 1.5rem;
    }
    
    .service-features-compact .feature h4 {
        font-size: 1.1rem;
    }
    
    .service-features-compact .feature p {
        font-size: 0.92rem;
    }
    
    .feature h4 {
        font-size: 1.27rem;
    }
    
    .feature p {
        font-size: 0.99rem;
    }
    
    /* Numbered Features - Large Desktop */
    .service-features-numbered {
        gap: 1.75rem;
    }
    
    .feature-numbered {
        gap: 0.85rem;
    }
    
    .feature-number {
        font-size: 3.25rem;
    }
    
    .feature-numbered .feature-content h4 {
        font-size: 1.6rem;
        line-height: 1.3;
        margin-bottom: 0.5rem;
    }
    
    .feature-numbered .feature-content p {
        font-size: 1rem;
        line-height: 1.58;
    }
    
    .service-bg-isotipo {
        width: 25rem;
    }
    
    .slide-service-cases {
        padding: 5rem 4rem;
    }
    
    .cases-header {
        margin-bottom: 3rem;
    }
    
    .cases-title {
        font-size: 5rem;
    }
    
    .cases-subtitle {
        font-size: 1.2rem;
    }
    
    .cases-grid {
        gap: 3rem;
        margin-top: 3rem;
    }
    
    .cases-grid-full {
        gap: 1.1rem;
    }
    
    .case-item {
        padding: 2rem 0;
    }
    
    .cases-grid-full .case-item {
        padding: 1.4rem 0 0.6rem;
    }
    
    .case-metric {
        font-size: 3rem;
        margin-bottom: 1.5rem;
    }
    
    .case-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .case-desc {
        font-size: 0.95rem;
    }
    
    .cases-logo {
        width: 18rem;
        bottom: 3rem;
        left: 4rem;
    }
    
    .cases-decoration {
        width: 18rem;
        height: 18rem;
        top: 20%;
        right: 6%;
    }
}

/* ===================================
   SLIDE TIC-20
   =================================== */

.slide-tic20 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    background: var(--white);
    color: var(--black);
    overflow-y: auto;
}

.tic20-content {
    width: 100%;
    max-width: 70rem;
    position: relative;
    z-index: 2;
}

.tic20-header {
    margin-bottom: 2rem;
}
@media (max-width: 500px){
        
    .tic20-header {
        padding-top: 20rem;
    }
}

.tic20-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
}

.tic20-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: var(--black);
    color: var(--white);
    padding: 0.5rem 1rem;
    width: fit-content;
}

.tic20-title-main {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.1;
}

.tic20-title-sub {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.4;
    max-width: 35rem;
    opacity: 0.8;
}

/* Features */
.tic20-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.tic20-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.tic20-feature-icon {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    min-width: 2.5rem;
    opacity: 0.3;
}

.tic20-feature-content h3 {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.tic20-feature-content p {
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.85;
}

.tic20-feature-content p strong {
    font-weight: 700;
}

/* Footer */
.tic20-footer {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
    margin-bottom: 2rem;
}

.tic20-deadline {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tic20-deadline-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
}

.tic20-deadline-date {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.tic20-cta {
    display: flex;
}

.tic20-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    background: var(--black);
    padding: 0.75rem 1.5rem;
    transition: opacity 0.3s ease;
    letter-spacing: 0.02em;
}

.tic20-link:hover {
    opacity: 0.8;
}

/* Logos */
.tic20-logos {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.tic20-logo-item {
    width: 100%;
    max-width: 6rem;
}

.tic20-logo-item img {
    width: auto;
    height: 3.8rem;
    display: block;
    opacity: 0.7;
}

/* Tablet */
@media (min-width: 768px) {
    .tic20-badge {
        font-size: 0.8rem;
    }
    
    .tic20-title-main {
        padding-top: 5.2rem;
        font-size: 2.5rem;
        padding-left: 8rem;
        margin-bottom: 2.1rem;
    }
    
    .tic20-title-sub {
        font-size: 1.1rem;
        max-width: 40rem;
    }
    
    .tic20-features {
        gap: 2rem;
    }
    
    .tic20-feature-icon {
        font-size: 2rem;
        min-width: 3rem;
    }
    
    .tic20-feature-content h3 {
        font-size: 1.05rem;
    }
    
    .tic20-feature-content p {
        font-size: 0.95rem;
    }
    
    .tic20-footer {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .tic20-deadline-date {
        font-size: 1.4rem;
    }
    
    .tic20-link {
        font-size: 1rem;
    }
    
    .tic20-logo-item {
        max-width: 7rem;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .tic20-content {
        max-width: 75rem;
    }
    
    .tic20-header {
        margin-bottom: 3rem;
    }
    
    .tic20-badge {
        font-size: 0.85rem;
        padding: 0.6rem 1.25rem;
        position: absolute;
        right: 0;
        bottom: 260px;
    }
    
    .tic20-title-main {
        font-size: 3.5rem;
    }
    
    .tic20-title-sub {
        font-size: 1.2rem;
        max-width: 45rem;
    }
    
    .tic20-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
        margin-bottom: 2rem;
    }
    
    .tic20-feature {
        flex-direction: column;
        gap: 1rem;
    }
    
    .tic20-feature-icon {
        font-size: 2.5rem;
    }
    
    .tic20-feature-content h3 {
        font-size: 1.1rem;
    }
    
    .tic20-feature-content p {
        font-size: 0.9rem;
    }
    
    .tic20-footer {
        padding-top: 2.5rem;
        margin-bottom: 2.5rem;
    }
    
    .tic20-deadline-date {
        font-size: 1.6rem;
    }
    
    .tic20-link {
        font-size: 1.05rem;
        padding: 0.85rem 1.75rem;
    }
    
    .tic20-logos {
        gap: 2.5rem;
    }
    
    .tic20-logo-item {
        max-width: 8rem;
    }
}