/* ==========================================================================
   Design 23 - Narrative Mono (Hybrid)
   Main Styles
   Combines: Narrative (5) + Mono (19) + Enterprise (16)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import 'variables.css';

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

.heading-display {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
}

.heading-1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
}

.heading-2 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-snug);
    color: var(--color-text-primary);
}

.heading-3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    color: var(--color-text-primary);
}

.text-lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.text-body {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--animation-duration) var(--animation-timing),
                transform var(--animation-duration) var(--animation-timing);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity var(--animation-duration) var(--animation-timing),
                transform var(--animation-duration) var(--animation-timing);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity var(--animation-duration) var(--animation-timing),
                transform var(--animation-duration) var(--animation-timing);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--animation-duration) var(--animation-timing),
                transform var(--animation-duration) var(--animation-timing);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

/* Primary - Accent color (the ONLY color used) */
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    box-shadow: var(--shadow-accent-lg);
    transform: translateY(-2px);
}

/* Secondary - Dark/Black monochrome */
.btn-secondary {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    transform: translateY(-2px);
}

/* Outline - White background */
.btn-outline {
    background-color: transparent;
    color: var(--color-gray-900);
    border: var(--border-width-medium) solid var(--color-gray-900);
}

.btn-outline:hover {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

/* Outline Light - For dark backgrounds */
.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border: var(--border-width-medium) solid var(--color-white);
}

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-gray-900);
}

/* Button Sizes */
.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: transparent;
    transition: var(--transition-base);
}

.nav--scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
}

.nav--scrolled .nav__logo-text,
.nav--scrolled .nav__lang-btn {
    color: var(--color-gray-900);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.nav__logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-accent);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav__logo-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-white);
}

.nav__logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    letter-spacing: var(--letter-spacing-tight);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.nav__lang-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

.nav--scrolled .nav__lang-switch {
    background-color: var(--color-gray-100);
}

.nav__lang-btn {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav--scrolled .nav__lang-btn {
    color: var(--color-gray-500);
}

.nav__lang-btn.active {
    background-color: var(--color-white);
    color: var(--color-gray-900);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   PROGRESS INDICATOR (Narrative element)
   ========================================================================== */

.progress-indicator {
    position: fixed;
    right: var(--spacing-6);
    top: 50%;
    transform: translateY(-50%);
    z-index: var(--z-sticky);
    display: none;
}

.progress-indicator__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.progress-indicator__dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-300);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
}

.progress-indicator__dot::before {
    content: attr(data-label);
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

.progress-indicator__dot:hover::before {
    opacity: 1;
}

.progress-indicator__dot.active {
    background-color: var(--color-accent);
    transform: scale(1.3);
}

@media (min-width: 1024px) {
    .progress-indicator {
        display: block;
    }
}

/* ==========================================================================
   SECTION BASE
   ========================================================================== */

.section {
    padding: var(--section-padding-y) 0;
    position: relative;
}

.section--dark {
    background-color: var(--color-black);
    color: var(--color-white);
}

.section--gray {
    background-color: var(--color-gray-50);
}

.section__connector {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: var(--spacing-16);
    background: linear-gradient(to bottom, var(--color-gray-300), transparent);
    bottom: calc(var(--spacing-16) * -1);
    z-index: 1;
}

.section--dark .section__connector {
    background: linear-gradient(to bottom, var(--color-gray-700), transparent);
}

.section__connector::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-black);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, var(--color-gray-800) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--color-gray-800) 0%, transparent 50%);
    opacity: 0.5;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--color-gray-800) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-gray-800) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.15;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 52rem;
    margin: 0 auto;
    padding-top: var(--spacing-20);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--color-accent-light);
    border: var(--border-width-thin) solid rgba(14, 165, 233, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    margin-bottom: var(--spacing-8);
}

.hero__badge-icon {
    width: 1rem;
    height: 1rem;
}

.hero__title {
    margin-bottom: var(--spacing-6);
    color: var(--color-white);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-400);
    max-width: 40rem;
    margin: 0 auto var(--spacing-10);
    line-height: var(--line-height-relaxed);
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
}

.hero__scroll-hint {
    position: absolute;
    bottom: var(--spacing-10);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.hero__scroll-hint svg {
    width: 1.5rem;
    height: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@media (min-width: 640px) {
    .hero__actions {
        flex-direction: row;
        justify-content: center;
    }
}

/* ==========================================================================
   PROBLEM SECTION (Chapter 1)
   ========================================================================== */

.problem {
    background-color: var(--color-gray-50);
}

.problem__header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--spacing-16);
}

.problem__chapter {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    margin-bottom: var(--spacing-4);
}

.problem__title {
    margin-bottom: var(--spacing-4);
}

.problem__grid {
    display: grid;
    gap: var(--spacing-6);
}

.problem__card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: var(--border-width-thin) solid var(--color-border);
    transition: var(--transition-base);
}

.problem__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gray-300);
}

.problem__card-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    color: var(--color-gray-600);
}

.problem__card-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.problem__card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    color: var(--color-text-primary);
}

.problem__card-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

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

@media (min-width: 1024px) {
    .problem__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   SOLUTION INTRO SECTION (Chapter 2)
   ========================================================================== */

.solution-intro {
    background-color: var(--color-white);
}

.solution-intro__content {
    display: grid;
    gap: var(--spacing-12);
    align-items: center;
}

.solution-intro__text-content {
    order: 1;
}

.solution-intro__image {
    order: 0;
}

.solution-intro__image-placeholder {
    aspect-ratio: 4/3;
    background-color: var(--color-gray-900);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-align: center;
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
}

.solution-intro__chapter {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    margin-bottom: var(--spacing-4);
}

.solution-intro__title {
    margin-bottom: var(--spacing-6);
}

.solution-intro__text {
    margin-bottom: var(--spacing-6);
}

.solution-intro__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.solution-intro__list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.solution-intro__list-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-700);
    margin-top: 0.125rem;
}

.solution-intro__list-icon svg {
    width: 0.875rem;
    height: 0.875rem;
}

@media (min-width: 1024px) {
    .solution-intro__content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }

    .solution-intro__text-content {
        order: 0;
    }

    .solution-intro__image {
        order: 1;
    }
}

/* ==========================================================================
   TURNOSMEDICOS SECTION (Chapter 3 - Star Product)
   ========================================================================== */

.turnosmedicos {
    background-color: var(--color-black);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.turnosmedicos::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.turnosmedicos__content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.turnosmedicos__chapter {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    margin-bottom: var(--spacing-4);
}

.turnosmedicos__title {
    margin-bottom: var(--spacing-4);
    color: var(--color-white);
}

.turnosmedicos__subtitle {
    max-width: 42rem;
    margin: 0 auto var(--spacing-12);
    color: var(--color-gray-400);
}

.turnosmedicos__mockup {
    position: relative;
    max-width: 56rem;
    margin: 0 auto var(--spacing-12);
}

.turnosmedicos__mockup-image {
    aspect-ratio: 16/10;
    background-color: var(--color-gray-900);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: var(--border-width-thin) solid var(--color-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.turnosmedicos__mockup-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--color-gray-800);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    padding: var(--spacing-8);
}

.turnosmedicos__mockup-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--color-accent);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.turnosmedicos__mockup-icon svg {
    width: 2rem;
    height: 2rem;
}

.turnosmedicos__mockup-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-400);
}

.turnosmedicos__features {
    display: grid;
    gap: var(--spacing-6);
    max-width: 56rem;
    margin: 0 auto var(--spacing-12);
}

.turnosmedicos__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-5) var(--spacing-6);
    background-color: var(--color-gray-900);
    border-radius: var(--radius-xl);
    border: var(--border-width-thin) solid var(--color-gray-700);
    text-align: left;
    transition: var(--transition-base);
}

.turnosmedicos__feature:hover {
    border-color: var(--color-gray-600);
}

.turnosmedicos__feature-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-gray-800);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.turnosmedicos__feature-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.turnosmedicos__feature-content {
    flex: 1;
}

.turnosmedicos__feature-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-1);
    color: var(--color-white);
}

.turnosmedicos__feature-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.turnosmedicos__cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.turnosmedicos__cta-note {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

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

@media (min-width: 1024px) {
    .turnosmedicos__features {
        grid-template-columns: repeat(4, 1fr);
    }

    .turnosmedicos__feature {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-6);
    }
}

/* ==========================================================================
   SERVICES JOURNEY SECTION (Chapter 4)
   ========================================================================== */

.services-journey {
    background-color: var(--color-gray-50);
}

.services-journey__header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--spacing-16);
}

.services-journey__chapter {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    margin-bottom: var(--spacing-4);
}

.services-journey__title {
    margin-bottom: var(--spacing-4);
}

.services-journey__steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-20);
}

.services-journey__step {
    display: grid;
    gap: var(--spacing-8);
    align-items: center;
}

.services-journey__step-content {
    order: 1;
}

.services-journey__step-image {
    order: 0;
}

.services-journey__step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-gray-900);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.services-journey__step-title {
    margin-bottom: var(--spacing-3);
}

.services-journey__step-text {
    margin-bottom: var(--spacing-4);
}

.services-journey__step-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.services-journey__step-feature {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-3);
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.services-journey__step-feature svg {
    width: 0.875rem;
    height: 0.875rem;
    color: var(--color-gray-700);
}

.services-journey__step-image-placeholder {
    aspect-ratio: 4/3;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
}

.services-journey__step-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--color-gray-900);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.services-journey__step-icon svg {
    width: 2rem;
    height: 2rem;
}

@media (min-width: 1024px) {
    .services-journey__step {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }

    .services-journey__step-content {
        order: 0;
    }

    .services-journey__step-image {
        order: 1;
    }

    .services-journey__step:nth-child(even) .services-journey__step-content {
        order: 1;
    }

    .services-journey__step:nth-child(even) .services-journey__step-image {
        order: 0;
    }
}

/* ==========================================================================
   TRANSFORMATION SECTION (Chapter 5)
   ========================================================================== */

.transformation {
    background-color: var(--color-white);
}

.transformation__header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--spacing-16);
}

.transformation__chapter {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    margin-bottom: var(--spacing-4);
}

.transformation__title {
    margin-bottom: var(--spacing-4);
}

.transformation__comparison {
    display: grid;
    gap: var(--spacing-8);
    max-width: 64rem;
    margin: 0 auto;
}

.transformation__card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.transformation__card--before {
    border: var(--border-width-medium) solid var(--color-gray-200);
}

.transformation__card--before::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-gray-400);
}

.transformation__card--after {
    border: var(--border-width-medium) solid var(--color-gray-900);
}

.transformation__card--after::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-accent);
}

.transformation__card-label {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-6);
}

.transformation__card--before .transformation__card-label {
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
}

.transformation__card--after .transformation__card-label {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.transformation__card-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.transformation__card-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-base);
}

.transformation__card--before .transformation__card-item {
    color: var(--color-text-muted);
}

.transformation__card--after .transformation__card-item {
    color: var(--color-text-primary);
}

.transformation__card-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.125rem;
}

.transformation__card--before .transformation__card-icon {
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
}

.transformation__card--after .transformation__card-icon {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.transformation__card-icon svg {
    width: 0.875rem;
    height: 0.875rem;
}

.transformation__arrow {
    display: none;
    align-items: center;
    justify-content: center;
}

.transformation__arrow-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-gray-900);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.transformation__arrow-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

@media (min-width: 1024px) {
    .transformation__comparison {
        grid-template-columns: 1fr auto 1fr;
        gap: var(--spacing-6);
    }

    .transformation__arrow {
        display: flex;
    }
}

/* ==========================================================================
   PRICING SECTION (Chapter 6)
   ========================================================================== */

.pricing {
    background-color: var(--color-gray-50);
}

.pricing__header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--spacing-12);
}

.pricing__chapter {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    margin-bottom: var(--spacing-4);
}

.pricing__title {
    margin-bottom: var(--spacing-4);
}

.pricing__cards {
    display: grid;
    gap: var(--spacing-6);
    max-width: 72rem;
    margin: 0 auto;
}

.pricing__card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    border: var(--border-width-thin) solid var(--color-border);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing__card--featured {
    border: var(--border-width-medium) solid var(--color-gray-900);
}

.pricing__card--featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.pricing__card-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    padding: var(--spacing-1) var(--spacing-3);
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.pricing__card-header {
    margin-bottom: var(--spacing-6);
}

.pricing__card-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-2);
    color: var(--color-text-primary);
}

.pricing__card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.pricing__card-price {
    margin-bottom: var(--spacing-6);
}

.pricing__card-price-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    color: var(--color-text-primary);
}

.pricing__card-price-period {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.pricing__card-features {
    flex: 1;
    margin-bottom: var(--spacing-6);
}

.pricing__card-features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.pricing__card-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pricing__card-feature svg {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-gray-700);
}

.pricing__card-cta {
    width: 100%;
}

.pricing__note {
    text-align: center;
    margin-top: var(--spacing-10);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

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

@media (min-width: 1024px) {
    .pricing__cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing__card--featured {
        transform: scale(1.03);
        z-index: 1;
    }

    .pricing__card--featured:hover {
        transform: scale(1.03) translateY(-4px);
    }
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    background-color: var(--color-black);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section__content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 48rem;
    margin: 0 auto;
}

.cta-section__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.cta-section__text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-8);
    font-size: var(--font-size-lg);
}

.cta-section__actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
}

.cta-section__btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-accent);
}

.cta-section__btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent-lg);
}

.cta-section__btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: var(--border-width-medium) solid var(--color-gray-600);
}

.cta-section__btn-secondary:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-500);
}

@media (min-width: 640px) {
    .cta-section__actions {
        flex-direction: row;
        justify-content: center;
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__content {
    display: grid;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer__brand {
    max-width: 20rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.footer__logo-icon {
    width: 2rem;
    height: 2rem;
    background-color: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer__logo-icon svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-white);
}

.footer__logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    line-height: var(--line-height-relaxed);
}

.footer__links {
    display: grid;
    gap: var(--spacing-8);
    grid-template-columns: repeat(2, 1fr);
}

.footer__column-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-4);
    color: var(--color-white);
}

.footer__column-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.footer__column-link {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    padding-top: var(--spacing-8);
    border-top: var(--border-width-thin) solid var(--color-gray-800);
    text-align: center;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.footer__legal {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
}

.footer__legal-link {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

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

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

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

    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}