/* ==========================================================================
   BMG CONSULTING — MODERN EDITORIAL DESIGN SYSTEM (styles.css)
   Awwwards & CSS Design Awards Light-Themed Editorial Layout
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN SYSTEM VARIABLES & TOKENS
   -------------------------------------------------------------------------- */
:root {
    /* Color Palette */
    --color-oxford-deep: #080F26;      /* Very deep dark navy/black for headings */
    --color-oxford-solid: #0B132B;     /* Oxford Blue for scrolled header and footer */
    --color-white: #FFFFFF;            /* White main background */
    --color-gray-bg: #F8F9FA;          /* Light gray for alternative blocks */
    
    /* High Contrast Text Colors (User feedback: black on light spaces, white on dark spaces) */
    --color-text-dark-primary: #0F172A;   /* Pure solid slate black for body text */
    --color-text-dark-secondary: #1E293B; /* Slightly lighter solid slate black for descriptions */
    --color-text-light-primary: #FFFFFF;  /* White text for dark backgrounds */
    --color-text-light-secondary: #E2E8F0;/* Light gray text for dark backgrounds */
    
    --color-gray-border: rgba(11, 19, 43, 0.12); /* 1px border outlines */
    
    /* Luxury Champagne Accents */
    --color-gold: #C5A880;             /* Warm Camel Gold */
    --color-gold-hover: #b3956d;
    --color-gold-light: rgba(197, 168, 128, 0.08);
    
    /* Interactive Accents */
    --color-electric: #1066FF;         /* Electric blue for hover/active states */
    --color-electric-glow: rgba(16, 102, 255, 0.1);
    
    /* Typography */
    --font-primary: 'Manrope', sans-serif;
    --font-secondary: 'Cormorant Garamond', serif;

    /* Spacing Grid (8px baseline) */
    --space-2xs: 8px;
    --space-xs: 16px;
    --space-sm: 24px;
    --space-md: 32px;
    --space-lg: 48px;
    --space-xl: 64px;
    --space-2xl: 96px;
    --space-3xl: 128px;

    /* Borders & Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows & Elevations */
    --shadow-sm: 0 4px 12px rgba(8, 15, 38, 0.02);
    --shadow-md: 0 10px 30px -5px rgba(8, 15, 38, 0.04), 0 8px 16px -6px rgba(8, 15, 38, 0.04);
    --shadow-lg: 0 20px 40px -10px rgba(8, 15, 38, 0.06), 0 10px 20px -8px rgba(8, 15, 38, 0.06);
    --shadow-hover: 0 30px 60px -15px rgba(8, 15, 38, 0.08), 0 15px 30px -10px rgba(197, 168, 128, 0.05);

    /* Animation Timings */
    --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 260ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 380ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE STYLES
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-text-dark-primary); /* Default is solid black on light bg */
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-oxford-deep);
}

p {
    font-size: 0.95rem;
    font-weight: 500; /* Medium weight for high contrast */
    color: var(--color-text-dark-secondary); /* Dark slate black */
}

ul {
    list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-gray-bg);
}
::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold);
}

/* --------------------------------------------------------------------------
   3. REUSABLE COMPONENTS & BUTTONS
   -------------------------------------------------------------------------- */
.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    
}

.section-header {
    margin-bottom: var(--space-xl);
    max-width: 640px;
}

.section-header.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gold);
    margin-bottom: var(--space-xs);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.75rem;
    font-weight: 300;
    color: var(--color-oxford-deep);
    margin-bottom: var(--space-xs);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-dark-secondary);
}

/* Brand Tags */
.brand-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background-color: var(--color-gold-light);
    border: 1px solid rgba(197, 168, 128, 0.15);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.brand-tag.tag-white {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
}

.brand-tag .dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-gold);
    border-radius: var(--radius-full);
}

.brand-tag .tag-text {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-gold);
}

.brand-tag.tag-white .tag-text {
    color: var(--color-white);
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
    box-shadow: 0 10px 20px -5px rgba(197, 168, 128, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-oxford-deep);
    border: 1px solid var(--color-gold);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

/* Scroll Progress Bar */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--color-gold);
    z-index: 1000;
    width: 0%;
    transition: width 0.1s ease-out;
}

/* --------------------------------------------------------------------------
   4. FLOATING HEADER (Larger Logo Implementation)
   -------------------------------------------------------------------------- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: transparent;
    transition: all var(--transition-normal);
    padding: var(--space-md) 0;
    border-bottom: 1px solid transparent;
}

/* Floating Scroll State - Turns to Oxford Blue (no gold on top of blue) */
.main-header.scrolled {
    background-color: var(--color-oxford-solid);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--space-2xs) 0; /* Shrink height */
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo styling - User feedback: logo was too small, make it bigger */
.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 120px; /* Increased from 38px to 60px */
    max-height: 120px;
    width: auto;
    display: block;
    transition: all var(--transition-normal);
}

/* Scrolled state header logo size slightly scaled down for layout spacing */
.main-header.scrolled .logo-img {
    height: 52px;
    max-height: 52px;
    filter: brightness(0) invert(1); /* Logo filtered to white on dark background */
}

/* Header navigation links */
.nav-menu ul {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-dark-primary); /* High contrast dark black on white background */
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-electric);
}

/* Scrolled state menu links - User feedback: white on dark spaces */
.main-header.scrolled .nav-link {
    color: var(--color-text-light-secondary) !important;
}

.main-header.scrolled .nav-link:hover,
.main-header.scrolled .nav-link.active {
    color: var(--color-text-light-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-normal);
}

/* Scrolled header: use Electric Blue for underline, not gold on blue */
.main-header.scrolled .nav-link::after {
    background-color: var(--color-electric);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Header Call to Action */
.btn-header-cta {
    background-color: var(--color-gold);
    color: var(--color-white);
    border: 1px solid var(--color-gold);
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-header-cta:hover {
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
}

/* Scrolled header CTA - transition to electric blue (no gold on blue) */
.main-header.scrolled .btn-header-cta {
    background-color: var(--color-electric);
    border-color: var(--color-electric);
}

.main-header.scrolled .btn-header-cta:hover {
    background-color: #0c57db;
    border-color: #0c57db;
    box-shadow: 0 5px 15px rgba(16, 102, 255, 0.3);
}

/* Mobile drawer triggers */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 24px;
    height: 20px;
    position: relative;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-oxford-deep);
    position: absolute;
    left: 0;
    transition: all var(--transition-normal);
}

.main-header.scrolled .mobile-menu-toggle span {
    background-color: var(--color-white);
}

.mobile-menu-toggle span:nth-child(1) { top: 0; }
.mobile-menu-toggle span:nth-child(2) { top: 9px; }
.mobile-menu-toggle span:nth-child(3) { top: 18px; }

.mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Nav Drawer overlay */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 99;
    padding: 100px var(--space-md) var(--space-md);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.08);
    transition: right var(--transition-slow);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--color-gray-border);
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-nav-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-oxford-deep);
    display: block;
    padding-bottom: var(--space-2xs);
    border-bottom: 1px solid var(--color-gray-border);
}

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

.mobile-nav-cta {
    margin-top: var(--space-md);
}

/* --------------------------------------------------------------------------
   5. HERO SECTION (Light, Editorial, Clean)
   -------------------------------------------------------------------------- */
.hero-section {
    background-color: var(--color-white);
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 160px;
    padding-bottom: var(--space-2xl);
    overflow: hidden;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--space-xl);
    align-items: center;
    width: 100%;
}

.hero-content {
    max-width: 640px;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 4rem;
    font-weight: 300;
    line-height: 1.12;
    color: var(--color-oxford-deep);
    margin-bottom: var(--space-md);
}

.text-gold-italic {
    font-family: var(--font-secondary);
    font-style: italic;
    color: var(--color-gold);
}

.hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--color-text-dark-secondary); /* Solid black */
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    gap: var(--space-xs);
}

/* Hero visual: diagonal architecture slice */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: flex-end;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 530px;
    height: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-border);
    /* Clean diagonal slant from top-left to bottom-right */
    clip-path: polygon(15% 0%, 100% 0%, 85% 100%, 0% 100%);
    transition: transform var(--transition-slow);
}

.hero-image-wrapper:hover {
    transform: scale(1.02);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(8, 15, 38, 0.05) 0%, rgba(8, 15, 38, 0.5) 100%);
    pointer-events: none;
}

/* Video Button integrated on image bottom-right */
.play-video-btn {
    position: absolute;
    bottom: var(--space-md);
    right: 15%;
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 3;
}

.play-video-btn:hover {
    transform: scale(1.05);
    background-color: var(--color-white);
}

.play-icon-wrapper {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--color-gold-light);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-text {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-oxford-deep);
}

/* --------------------------------------------------------------------------
   6. CLIENTS / TRUST SECTION (Light styled gray bar)
   -------------------------------------------------------------------------- */
.clients-section {
    padding: var(--space-lg) 0;
    background-color: #F8F9FA;
    border-top: 1px solid var(--color-gray-border);
    border-bottom: 1px solid var(--color-gray-border);
}

.clients-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.clients-left-title {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-text-dark-secondary); /* High contrast dark title */
    line-height: 1.4;
    white-space: nowrap;
}

.clients-divider {
    width: 1px;
    height: 30px;
    background-color: #E2E8F0;
}

.clients-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-grow: 1;
    gap: var(--space-md);
    padding-left: var(--space-md);
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.55;
    color: var(--color-oxford-deep);
    transition: all var(--transition-normal);
}

.logo-txt-bold {
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 2px;
}

.client-logo:hover {
    opacity: 1;
    color: var(--color-gold);
    transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   7. ABOUT SECTION (QUIENES SOMOS)
   -------------------------------------------------------------------------- */
.about-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 500px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-border);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.02);
}

.about-border-accent {
    position: absolute;
    top: var(--space-xs);
    left: var(--space-xs);
    right: var(--space-xs);
    bottom: var(--space-xs);
    border: 1px solid rgba(197, 168, 128, 0.2);
    border-radius: var(--radius-md);
    pointer-events: none;
}

.about-text-highlight {
    font-family: var(--font-secondary);
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--color-oxford-deep);
    margin-bottom: var(--space-md);
}

.about-text-desc {
    color: var(--color-text-dark-secondary); /* High contrast dark black */
    margin-bottom: var(--space-lg);
}

/* Tabs */
.about-tabs-container {
    border-top: 1px solid var(--color-gray-border);
    padding-top: var(--space-md);
}

.tab-headers {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-gray-border);
}

.tab-btn {
    background: none;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-dark-secondary); /* Dark click headers */
    cursor: pointer;
    padding-bottom: var(--space-2xs);
    position: relative;
    transition: color var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-oxford-deep);
}

.tab-btn.active {
    color: var(--color-gold);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
}

.tab-contents {
    position: relative;
    min-height: 110px;
}

.tab-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-normal);
}

.tab-pane.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tab-pane p {
    font-size: 0.95rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
}

.valores-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
}

.valores-list li {
    font-size: 0.88rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
    padding-left: var(--space-xs);
    position: relative;
}

.valores-list li::before {
    content: '•';
    color: var(--color-gold);
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

/* --------------------------------------------------------------------------
   8. SERVICES SECTION (Light styled, matching reference)
   -------------------------------------------------------------------------- */
.services-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-gray-bg);
    border-top: 1px solid var(--color-gray-border);
    border-bottom: 1px solid var(--color-gray-border);
}

.services-top-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.services-top-desc {
    font-size: 1.05rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
    padding-bottom: var(--space-xs);
}

.services-top-action {
    grid-column: span 2;
    display: flex;
    justify-content: flex-start;
}

.services-filters {
    display: flex;
    gap: 8px;
    border: 1px solid var(--color-gray-border);
    padding: 4px;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
}

.filter-btn {
    background-color: transparent;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-dark-secondary);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover {
    color: var(--color-oxford-deep);
}

.filter-btn.active {
    background-color: var(--color-gold);
    color: var(--color-white);
}

/* Services Cards Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(197, 168, 128, 0.25);
}

.service-card-top {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.service-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-gold-light);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon-wrapper {
    background-color: var(--color-gold);
    color: var(--color-white);
}

.service-card-title {
    font-family: var(--font-primary);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-oxford-deep);
    transition: color var(--transition-fast);
}

.service-card:hover .service-card-title {
    color: var(--color-gold);
}

.service-card-desc {
    font-size: 0.88rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
    margin-bottom: var(--space-sm);
    flex-grow: 1;
}

.service-card-list {
    border-top: 1px solid var(--color-gray-border);
    padding-top: var(--space-xs);
    margin-bottom: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.service-card-list li {
    font-size: 0.8rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
    padding-left: var(--space-xs);
    position: relative;
}

.service-card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 3px;
    height: 3px;
    background-color: var(--color-gold);
    border-radius: var(--radius-full);
}

.service-card-footer {
    display: flex;
    align-items: center;
}

.service-arrow-link {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-gray-border);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.service-card:hover .service-arrow-link {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-white);
    transform: scale(1.05);
}

.service-card.hidden {
    display: none;
}

/* --------------------------------------------------------------------------
   9. WORK PROCESS SECTION (METODOLOGÍA)
   -------------------------------------------------------------------------- */
.methodology-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
    overflow: hidden;
}

.timeline-container {
    position: relative;
    margin-top: var(--space-xl);
    padding: var(--space-sm) 0;
}

.timeline-line {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-border);
    z-index: 1;
}

.timeline-line-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--color-gold);
    transition: width 0.3s ease-out;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    position: relative;
    z-index: 2;
}

.timeline-card-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline-dot {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
}

.timeline-dot .dot-inner {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: transparent;
    transition: background-color var(--transition-normal);
}

/* Active states */
.timeline-card-wrapper.active .timeline-dot {
    border-color: var(--color-gold);
    box-shadow: 0 0 10px rgba(197, 168, 128, 0.2);
    transform: scale(1.1);
}

.timeline-card-wrapper.active .timeline-dot .dot-inner {
    background-color: var(--color-gold);
}

.timeline-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    width: 100%;
    transition: all var(--transition-normal);
}

.timeline-card-wrapper.active .timeline-card {
    border-color: rgba(197, 168, 128, 0.2);
    box-shadow: var(--shadow-md);
}

.timeline-card:hover {
    transform: translateY(-4px);
}

.timeline-step-number {
    font-size: 2rem;
    font-family: var(--font-secondary);
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: var(--space-2xs);
    font-weight: 300;
}

.timeline-step-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-2xs);
    color: var(--color-oxford-deep);
}

.timeline-step-desc {
    font-size: 0.85rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
}

/* --------------------------------------------------------------------------
   10. WHY CHOOSE US / ADVANTAGES SECTION
   -------------------------------------------------------------------------- */
.advantages-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-gray-bg);
    border-top: 1px solid var(--color-gray-border);
    border-bottom: 1px solid var(--color-gray-border);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.advantage-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(197, 168, 128, 0.25);
}

.advantage-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-gold-light);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
    transition: all var(--transition-normal);
}

.advantage-card:hover .advantage-icon {
    background-color: var(--color-gold);
    color: var(--color-white);
}

.advantage-title {
    font-size: 1.15rem;
    color: var(--color-oxford-deep);
    margin-bottom: var(--space-2xs);
}

.advantage-desc {
    font-size: 0.85rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
}

/* --------------------------------------------------------------------------
   11. INDICATORS / STATS SECTION (Light, matching reference)
   -------------------------------------------------------------------------- */
.stats-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
    color: var(--color-oxford-deep);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    text-align: center;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-icon-wrapper {
    color: var(--color-gold);
    margin-bottom: var(--space-xs);
}

.stat-number-wrapper {
    font-family: var(--font-secondary);
    font-size: 3.75rem;
    line-height: 1;
    font-weight: 300;
    color: var(--color-gold);
    margin-bottom: var(--space-2xs);
}

.stat-suffix {
    font-size: 2.25rem;
    color: var(--color-gold);
    font-weight: 300;
}

.stat-label {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--color-oxford-deep); /* High contrast black label */
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 0.8rem;
    color: var(--color-text-dark-secondary); /* High contrast black description */
    max-width: 220px;
    line-height: 1.4;
}

/* --------------------------------------------------------------------------
   12. SUCCESS CASES SECTION (CASOS DE ÉXITO)
   -------------------------------------------------------------------------- */
.cases-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.case-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(197, 168, 128, 0.25);
}

.case-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.case-tag {
    font-size: 0.68rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-gold);
}

.case-year {
    font-size: 0.75rem;
    color: var(--color-text-dark-secondary);
}

.case-title {
    font-size: 1.2rem;
    margin-bottom: var(--space-2xs);
    font-weight: 700;
    color: var(--color-oxford-deep);
}

.case-desc {
    font-size: 0.85rem;
    color: var(--color-text-dark-secondary); /* High contrast black */
    margin-bottom: var(--space-md);
}

.case-metric {
    border-top: 1px solid var(--color-gray-border);
    padding-top: var(--space-2xs);
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
}

.metric-val {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-gold);
}

.metric-lbl {
    font-size: 0.75rem;
    color: var(--color-text-dark-secondary);
}

/* --------------------------------------------------------------------------
   13. TESTIMONIALS SECTION
   -------------------------------------------------------------------------- */
.testimonials-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-gray-bg);
    border-top: 1px solid var(--color-gray-border);
    border-bottom: 1px solid var(--color-gray-border);
    position: relative;
    overflow: hidden;
}

.testimonials-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.testimonials-bg-shapes .shape-1 {
    position: absolute;
    width: 500px;
    height: 500px;
    background-color: var(--color-gold-light);
    border-radius: var(--radius-full);
    filter: blur(120px);
    top: -100px;
    left: -100px;
}

.testimonials-bg-shapes .shape-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    background-color: var(--color-gold-light);
    border-radius: var(--radius-full);
    filter: blur(100px);
    bottom: -100px;
    right: -100px;
}

.carousel-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.carousel-track-wrapper {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-slide {
    min-width: 100%;
    text-align: center;
    padding: var(--space-md);
}

.testimonial-quote {
    font-family: var(--font-secondary);
    font-size: 2.1rem;
    line-height: 1.4;
    font-weight: 300;
    color: var(--color-oxford-deep); /* High contrast dark black */
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-gold);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.author-info {
    text-align: left;
}

.author-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-oxford-deep);
}

.author-role {
    font-size: 0.75rem;
    color: var(--color-text-dark-secondary);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.carousel-control-btn {
    background: none;
    border: 1px solid var(--color-gray-border);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    color: var(--color-gold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.carousel-control-btn:hover {
    border-color: var(--color-gold);
    background-color: var(--color-gold-light);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: #E2E8F0;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background-color: var(--color-gold);
    transform: scale(1.25);
}

/* --------------------------------------------------------------------------
   14. FAQ SECTION (ACORDEÓN)
   -------------------------------------------------------------------------- */
.faq-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.faq-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: var(--space-2xl);
}

.faq-accordion-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.accordion-item {
    border-bottom: 1px solid var(--color-gray-border);
}

.accordion-header {
    width: 100%;
    background: none;
    border: none;
    padding: var(--space-sm) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    text-align: left;
    font-family: var(--font-primary);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-oxford-deep); /* Solid black */
    transition: color var(--transition-fast);
    position: relative;
}

.accordion-header span:first-child {
    flex-grow: 1;
}

.accordion-icon {
    width: 20px;
    height: 20px;
    position: relative;
}

.accordion-icon::before, .accordion-icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-oxford-deep);
    transition: transform var(--transition-normal);
}

.accordion-icon::before {
    top: 9px;
    left: 2px;
    width: 16px;
    height: 2px;
}

.accordion-icon::after {
    top: 2px;
    left: 9px;
    width: 2px;
    height: 16px;
}

.accordion-header:hover {
    color: var(--color-gold);
}

.accordion-header:hover .accordion-icon::before,
.accordion-header:hover .accordion-icon::after {
    background-color: var(--color-gold);
}

/* Open accordion states */
.accordion-item.open .accordion-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.accordion-item.open .accordion-icon::before {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-content p {
    font-size: 0.88rem;
    color: var(--color-text-dark-secondary); /* Solid black text */
    padding-bottom: var(--space-sm);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   15. CONTACT SECTION (User feedback: white text on dark space)
   -------------------------------------------------------------------------- */
.contact-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-oxford-solid);
    color: var(--color-white);
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: var(--space-2xl);
    position: relative;
    z-index: 2;
}

/* Titles are white */
.contact-cta-title,
.contact-detail-item .detail-value,
.form-title {
    color: var(--color-text-light-primary) !important;
}

.contact-cta-title {
    font-family: var(--font-secondary);
    font-size: 2.75rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--space-xs);
}

/* Paragraphs and descriptions are light grey */
.contact-cta-desc,
.contact-detail-item .detail-label,
.form-subtitle {
    color: var(--color-text-light-secondary) !important;
}

.contact-cta-desc {
    margin-bottom: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
}

.detail-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.detail-text {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-value {
    font-size: 0.92rem;
    font-style: normal;
    margin-top: 2px;
}

.detail-value:hover {
    color: var(--color-electric) !important;
}

/* Elegant Form Styling */
.form-container {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
}

.form-title {
    font-size: 1.45rem;
    margin-bottom: var(--space-2xs);
}

.form-subtitle {
    font-size: 0.82rem;
    margin-bottom: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
}

.form-group {
    position: relative;
    margin-bottom: 20px;
}

/* Floating labels */
.form-input {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 14px var(--space-xs);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-white);
    outline: none;
    transition: all var(--transition-normal);
}

.form-input:focus {
    border-color: var(--color-electric);
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 10px rgba(16, 102, 255, 0.1);
}

.form-label {
    position: absolute;
    left: var(--space-xs);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    transition: all var(--transition-normal);
}

.form-textarea {
    resize: none;
}

.form-textarea ~ .form-label {
    top: var(--space-xs);
    transform: none;
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: 0;
    left: var(--space-xs);
    transform: translateY(-50%) scale(0.8);
    background-color: var(--color-oxford-solid);
    padding: 0 6px;
    color: var(--color-electric);
}

/* Select overrides */
.form-select {
    appearance: none;
}

.select-label {
    top: 50%;
    transform: translateY(-50%);
}

.form-select:focus ~ .select-label,
.form-select:valid ~ .select-label {
    top: 0;
    transform: translateY(-50%) scale(0.8);
    background-color: var(--color-oxford-solid);
    padding: 0 6px;
    color: var(--color-electric);
}

/* Contact Button: Electric Blue inside Oxford Blue block, no gold */
.contact-section .btn-primary {
    background-color: var(--color-electric);
    border-color: var(--color-electric);
}

.contact-section .btn-primary:hover {
    background-color: #0c57db;
    border-color: #0c57db;
    box-shadow: 0 10px 20px rgba(16, 102, 255, 0.3);
}

/* Error messages and validations */
.form-error-msg {
    position: absolute;
    bottom: -16px;
    left: 4px;
    font-size: 0.7rem;
    color: #ff5252;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast);
}

.form-group.has-error .form-input {
    border-color: #ff5252;
}

.form-group.has-error .form-error-msg {
    opacity: 1;
    visibility: visible;
}

/* Form success overlay */
.form-success-message {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-oxford-solid);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-lg);
    z-index: 5;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.form-success-message.visible {
    opacity: 1;
    visibility: visible;
}

.success-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background-color: rgba(16, 102, 255, 0.1);
    border: 2px solid var(--color-electric);
    color: var(--color-electric);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.form-success-message h3 {
    color: var(--color-white);
    font-size: 1.6rem;
    margin-bottom: var(--space-2xs);
}

.form-success-message p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.88rem;
    max-width: 300px;
    margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   16. FOOTER (Oxford Blue, white text - User feedback: white on dark spaces)
   -------------------------------------------------------------------------- */
.main-footer {
    background-color: var(--color-oxford-solid);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand-desc {
    font-size: 0.85rem;
    color: var(--color-text-light-secondary) !important;
    margin-top: var(--space-xs);
    margin-bottom: var(--space-md);
    max-width: 280px;
}

/* User feedback: larger logo footer */
.footer-logo-img {
    filter: brightness(0) invert(1);
    height: 56px; /* Increased from 38px to 56px */
    width: auto;
}

.footer-socials {
    display: flex;
    gap: var(--space-xs);
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-link:hover {
    border-color: var(--color-electric);
    color: var(--color-white);
    background-color: var(--color-electric);
    transform: translateY(-2px);
}

/* Footer tags - white, no gold */
.footer-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-light-primary) !important;
    margin-bottom: var(--space-md);
    border-left: 2px solid var(--color-electric);
    padding-left: 10px;
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-list a {
    font-size: 0.85rem;
    color: var(--color-text-light-secondary) !important;
}

.footer-list a:hover {
    color: var(--color-text-light-primary) !important;
    padding-left: 4px;
}

.footer-contact-text {
    font-size: 0.85rem;
    color: var(--color-text-light-secondary) !important;
    margin-bottom: 12px;
}

.footer-contact-text a {
    color: var(--color-text-light-primary) !important;
}

.footer-contact-text a:hover {
    color: var(--color-electric) !important;
}

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-light-secondary) !important;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.footer-bottom-links a {
    font-size: 0.8rem;
    color: var(--color-text-light-secondary) !important;
}

.footer-bottom-links a:hover {
    color: var(--color-text-light-primary) !important;
}

.footer-bottom-links .divider {
    color: rgba(255, 255, 255, 0.15);
}

/* Back to Top button - White/electric hover */
.back-to-top {
    position: fixed;
    bottom: -50px;
    right: var(--space-md);
    width: 44px;
    height: 44px;
    background-color: var(--color-oxford-solid);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 90;
    opacity: 0;
    transition: all var(--transition-normal);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.visible {
    bottom: var(--space-md);
    opacity: 1;
}

.back-to-top:hover {
    background-color: var(--color-electric);
    border-color: var(--color-electric);
    transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   17. PROGRESSIVE ENHANCEMENT: SCROLL ANIMATIONS (OPT-IN)
   Content is ALWAYS visible by default. JavaScript adds .anim-ready to
   set initial hidden state, then .anim-visible to reveal with transition.
   If JS fails for any reason, all content remains fully visible.
   -------------------------------------------------------------------------- */

/* JS adds this class to elements it wants to animate */
.anim-ready {
    opacity: 0;
    transition: opacity 700ms cubic-bezier(0.25, 1, 0.5, 1),
                transform 700ms cubic-bezier(0.25, 1, 0.5, 1);
    will-change: opacity, transform;
}

.anim-ready.anim-fade-up { transform: translateY(30px); }
.anim-ready.anim-fade-left { transform: translateX(-30px); }
.anim-ready.anim-fade-right { transform: translateX(30px); }
.anim-ready.anim-scale-in { transform: scale(0.95); }

/* JS adds this when the element enters the viewport */
.anim-visible {
    opacity: 1 !important;
    transform: none !important;
}

/* Stagger children delays — JS adds .anim-stagger to the parent */
.anim-stagger > *:nth-child(1) { transition-delay: 60ms; }
.anim-stagger > *:nth-child(2) { transition-delay: 140ms; }
.anim-stagger > *:nth-child(3) { transition-delay: 220ms; }
.anim-stagger > *:nth-child(4) { transition-delay: 300ms; }
.anim-stagger > *:nth-child(5) { transition-delay: 380ms; }
.anim-stagger > *:nth-child(6) { transition-delay: 460ms; }
.anim-stagger > *:nth-child(7) { transition-delay: 540ms; }
.anim-stagger > *:nth-child(8) { transition-delay: 620ms; }

/* --------------------------------------------------------------------------
   18. COMPREHENSIVE RESPONSIVE STYLING (Breakpoints)
   -------------------------------------------------------------------------- */

/* Laptop screens (max 1200px) */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .about-grid, .contact-grid, .faq-grid {
        gap: var(--space-xl);
    }
    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    }
}

/* Tablet screens (max 992px) */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
        padding-top: var(--space-md);
    }
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-visual {
        justify-content: center;
        width: 100%;
    }
    .hero-image-wrapper {
        height: 380px;
        clip-path: none;
        border-radius: var(--radius-md);
    }
    .play-video-btn {
        right: 5%;
        bottom: 20px;
    }
    
    .clients-container {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xs);
    }
    .clients-divider {
        display: none;
    }
    .clients-grid {
        padding-left: 0;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    .about-image-column {
        order: 2;
    }
    .about-image-wrapper {
        height: 360px;
    }
    
    .services-top-bar {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
    .services-top-action {
        grid-column: span 1;
    }
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .timeline-line {
        display: none;
    }
    .timeline-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    .timeline-card-wrapper {
        align-items: flex-start;
    }
    .timeline-dot {
        display: none;
    }
    .timeline-card {
        text-align: left;
    }
    
    .advantages-grid, .cases-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }
    
    .faq-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    .contact-info-column {
        max-width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 1fr;
    }
}

/* Mobile Screens (max 768px) */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    .main-header {
        background-color: var(--color-oxford-solid);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: var(--space-xs) 0;
    }
    .main-header .logo-img {
        filter: brightness(0) invert(1);
        height: 52px;
    }
    .nav-menu {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .main-header .mobile-menu-toggle span {
        background-color: var(--color-white);
    }
    .section-title {
        font-size: 2.25rem;
    }
    .testimonial-quote {
        font-size: 1.5rem;
    }
    .valores-list {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1.2fr;
    }
}

/* Small mobile (max-width 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .services-grid, .advantages-grid, .cases-grid, .stats-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .form-container {
        padding: var(--space-md);
    }
}