/*
 Theme Name:   Invena Child - IntraSerBi
 Theme URI:    https://IntraSerBi.com
 Description:  Landing page innovadora para IntraSerBi - Soluciones Integrales
 Author:       IntraSerBi
 Template:     invena
 Version:      2.0.0
 Text Domain:  invena-child
*/

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Primary Palette */
    --si-primary: #1a1a2e;
    --si-secondary: #16213e;
    --si-accent: #0f3460;
    --si-highlight: #e94560;
    --si-highlight-light: #ff6b6b;

    /* Gradient Accents */
    --si-gradient-main: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --si-gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --si-gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --si-gradient-green: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --si-gradient-dark: linear-gradient(135deg, #0c0c1d 0%, #1a1a3e 50%, #0f3460 100%);

    /* Neutrals */
    --si-white: #ffffff;
    --si-off-white: #f8f9fc;
    --si-gray-100: #f1f3f8;
    --si-gray-200: #e2e6ef;
    --si-gray-300: #c4c9d8;
    --si-gray-400: #9198ad;
    --si-gray-500: #6b7394;
    --si-gray-600: #4a5068;
    --si-gray-700: #2d3249;
    --si-gray-800: #1e2235;
    --si-gray-900: #12152a;

    /* Typography */
    --si-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --si-font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --si-section-py: clamp(80px, 10vw, 140px);
    --si-container-max: 1200px;
    --si-container-px: clamp(20px, 5vw, 40px);

    /* Radius */
    --si-radius-sm: 8px;
    --si-radius-md: 14px;
    --si-radius-lg: 22px;
    --si-radius-xl: 32px;

    /* Shadows */
    --si-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --si-shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --si-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --si-shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);

    /* Transitions */
    --si-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --si-ease-bounce: cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body.landing-page-bi {
    font-family: var(--si-font-sans);
    color: var(--si-gray-700);
    background: var(--si-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.landing-site {
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s var(--si-ease);
}

/* ============================================
   CONTAINER
   ============================================ */
.si-container {
    max-width: var(--si-container-max);
    margin: 0 auto;
    padding: 0 var(--si-container-px);
}

/* ============================================
   HEADER
   ============================================ */
.si-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(26, 26, 46, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s var(--si-ease);
}

.si-header.scrolled {
    background: rgba(26, 26, 46, 0.98);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.si-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.si-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.si-logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--si-gradient-main);
    border-radius: 12px;
    color: var(--si-white);
    font-weight: 800;
    font-size: 22px;
    font-family: var(--si-font-display);
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.si-logo-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--si-white);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.si-logo-name em {
    font-style: normal;
    font-weight: 400;
    opacity: 0.7;
    font-size: 13px;
    display: block;
}

/* Navigation */
.si-nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.si-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--si-radius-sm);
    transition: all 0.3s var(--si-ease);
}

.si-nav a:hover {
    color: var(--si-white);
    background: rgba(255, 255, 255, 0.1);
}

.si-nav .si-cta-btn {
    background: var(--si-gradient-main);
    color: var(--si-white) !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.si-nav .si-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
    background: var(--si-gradient-main);
}

/* Mobile Toggle */
.si-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.si-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--si-white);
    border-radius: 2px;
    transition: 0.3s var(--si-ease);
}

/* Mobile Menu */
.si-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--si-primary);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--si-ease);
}

.si-mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.si-mobile-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--si-white);
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
}

.si-mobile-menu ul {
    list-style: none;
    text-align: center;
    padding: 0;
}

.si-mobile-menu li {
    margin: 12px 0;
}

.si-mobile-menu a {
    color: var(--si-white);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* ============================================
   BUTTONS
   ============================================ */
.si-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--si-font-sans);
    font-size: 15px;
    font-weight: 600;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s var(--si-ease);
    text-decoration: none;
    line-height: 1.2;
}

.si-btn-primary {
    background: var(--si-gradient-main);
    color: var(--si-white);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.si-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.5);
}

.si-btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--si-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
}

.si-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.si-btn-lg {
    padding: 18px 42px;
    font-size: 17px;
}

.si-btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.si-section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto clamp(50px, 6vw, 80px);
}

.si-overline {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #667eea;
    margin-bottom: 14px;
    padding: 4px 16px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 50px;
}

.si-section-title {
    font-family: var(--si-font-sans);
    font-size: clamp(32px, 4.5vw, 50px);
    font-weight: 800;
    color: var(--si-primary);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.si-section-title em {
    font-style: normal;
    background: var(--si-gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.si-section-desc {
    font-size: 18px;
    color: var(--si-gray-500);
    line-height: 1.7;
}

/* ============================================
   HERO
   ============================================ */
.si-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.si-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.si-hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--si-gradient-dark);
}

.si-hero-gradient::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--si-white), transparent);
    z-index: 1;
}

/* Particles */
.si-hero-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: floatParticle 20s infinite ease-in-out;
}

.p1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #667eea, transparent 70%);
    top: -100px; right: -100px;
    animation-delay: 0s;
}

.p2 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, #764ba2, transparent 70%);
    bottom: 20%; left: -80px;
    animation-delay: -5s;
}

.p3 {
    width: 200px; height: 200px;
    background: radial-gradient(circle, #4facfe, transparent 70%);
    top: 40%; right: 20%;
    animation-delay: -10s;
}

.p4 {
    width: 150px; height: 150px;
    background: radial-gradient(circle, #f093fb, transparent 70%);
    bottom: 30%; right: 10%;
    animation-delay: -15s;
}

.p5 {
    width: 250px; height: 250px;
    background: radial-gradient(circle, #43e97b, transparent 70%);
    top: 20%; left: 30%;
    animation-delay: -8s;
}

@keyframes floatParticle {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

/* Hero Content */
.si-hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}

.si-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
    padding: 10px 22px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.tag-dot {
    width: 8px;
    height: 8px;
    background: #43e97b;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(67, 233, 123, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 10px rgba(67, 233, 123, 0); }
}

.si-hero-title {
    font-family: var(--si-font-sans);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: var(--si-white);
    margin-bottom: 24px;
}

.si-hero-title .line-1 {
    display: block;
    opacity: 0.85;
    font-size: 0.65em;
    font-weight: 500;
}

.si-hero-title .line-2 {
    display: block;
}

.si-hero-title .line-2 em {
    font-style: normal;
    background: linear-gradient(135deg, #667eea, #4facfe, #43e97b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.si-hero-title .line-3 {
    display: block;
}

.si-hero-desc {
    font-size: clamp(16px, 1.8vw, 19px);
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 600px;
}

.si-hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* Hero Stats */
.si-hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--si-radius-lg);
    padding: 28px 36px;
    backdrop-filter: blur(20px);
}

.si-stat {
    text-align: center;
    flex: 1;
}

.si-stat-num {
    display: block;
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #667eea, #4facfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 6px;
}

.si-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.si-stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.12);
    margin: 0 8px;
}

/* ============================================
   TRUST BAR (Marquee)
   ============================================ */
.si-trust-bar {
    background: var(--si-off-white);
    border-top: 1px solid var(--si-gray-200);
    border-bottom: 1px solid var(--si-gray-200);
    padding: 22px 0;
    overflow: hidden;
}

.si-trust-track {
    overflow: hidden;
    white-space: nowrap;
}

.si-trust-slide {
    display: inline-flex;
    gap: 0;
    animation: marquee 30s linear infinite;
}

.si-trust-slide span {
    font-size: 15px;
    font-weight: 600;
    color: var(--si-gray-400);
    padding: 0 28px;
    white-space: nowrap;
    letter-spacing: 0.03em;
}

.trust-dot {
    color: #667eea !important;
    font-size: 10px !important;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   SERVICES
   ============================================ */
.si-services {
    padding: var(--si-section-py) 0;
    background: var(--si-white);
}

.si-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.si-service-card {
    position: relative;
    padding: 40px 32px;
    background: var(--si-white);
    border: 1px solid var(--si-gray-200);
    border-radius: var(--si-radius-lg);
    transition: all 0.4s var(--si-ease);
    overflow: hidden;
    /* Reveal animation */
    opacity: 0;
    transform: translateY(30px);
}

.si-service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.si-service-card:hover {
    border-color: transparent;
    box-shadow: var(--si-shadow-lg);
    transform: translateY(-8px);
}

.si-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--si-gradient-main);
    opacity: 0;
    transition: opacity 0.3s var(--si-ease);
}

.si-service-card:hover::before {
    opacity: 1;
}

.si-service-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 64px;
    font-weight: 900;
    color: var(--si-gray-100);
    line-height: 1;
    letter-spacing: -0.05em;
    transition: color 0.3s var(--si-ease);
    pointer-events: none;
}

.si-service-card:hover .si-service-num {
    color: rgba(102, 126, 234, 0.1);
}

.si-service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: var(--si-radius-md);
    color: #667eea;
    margin-bottom: 22px;
    transition: all 0.3s var(--si-ease);
}

.si-service-card:hover .si-service-icon {
    background: var(--si-gradient-main);
    color: var(--si-white);
    transform: scale(1.1);
}

.si-service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--si-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.si-service-card p {
    font-size: 15px;
    color: var(--si-gray-500);
    line-height: 1.65;
    margin-bottom: 20px;
}

.si-service-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #667eea;
    background: rgba(102, 126, 234, 0.06);
    padding: 5px 14px;
    border-radius: 50px;
}

/* Highlighted service card */
.si-service-highlight {
    background: var(--si-gradient-dark);
    border-color: transparent;
}

.si-service-highlight h3 {
    color: var(--si-white);
}

.si-service-highlight p {
    color: rgba(255, 255, 255, 0.6);
}

.si-service-highlight .si-service-num {
    color: rgba(255, 255, 255, 0.06);
}

.si-service-highlight .si-service-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--si-white);
}

.si-service-highlight .si-service-tag {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.si-service-highlight::before {
    opacity: 1;
    background: linear-gradient(90deg, #667eea, #4facfe, #43e97b);
}

/* ============================================
   IMPACT
   ============================================ */
.si-impact {
    padding: var(--si-section-py) 0;
    background: var(--si-off-white);
}

.si-impact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.si-impact-text .si-section-title {
    text-align: left;
}

.si-impact-text > p {
    font-size: 17px;
    color: var(--si-gray-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.si-impact-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.si-impact-feat {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feat-check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(67, 233, 123, 0.15);
    color: #2ecc71;
    font-weight: 700;
    font-size: 14px;
    border-radius: 50%;
    margin-top: 2px;
}

.si-impact-feat strong {
    display: block;
    color: var(--si-primary);
    font-size: 15px;
    margin-bottom: 2px;
}

.si-impact-feat span {
    font-size: 14px;
    color: var(--si-gray-500);
}

/* Impact Cards */
.si-impact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.si-impact-card {
    background: var(--si-white);
    border-radius: var(--si-radius-md);
    padding: 28px 30px;
    border: 1px solid var(--si-gray-200);
    transition: all 0.4s var(--si-ease);
    /* Reveal */
    opacity: 0;
    transform: translateX(30px);
}

.si-impact-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.si-impact-card:hover {
    box-shadow: var(--si-shadow-md);
    border-color: transparent;
}

.ic-number {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--si-gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
}

.ic-label {
    font-size: 14px;
    color: var(--si-gray-500);
    margin-bottom: 12px;
}

.ic-bar {
    height: 6px;
    background: var(--si-gray-100);
    border-radius: 3px;
    overflow: hidden;
}

.ic-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--si-gradient-main);
    width: 0;
    transition: width 1.5s var(--si-ease);
}

.ic-bar-fill.animated {
    width: inherit;
}

.ic-1 .ic-bar-fill.animated { width: 98% !important; }
.ic-2 .ic-bar-fill.animated { width: 85% !important; }
.ic-3 .ic-bar-fill.animated { width: 60% !important; }
.ic-4 .ic-bar-fill.animated { width: 100% !important; }

/* ============================================
   PROJECTS
   ============================================ */
.si-projects {
    padding: var(--si-section-py) 0;
    background: var(--si-primary);
}

.si-projects .si-overline {
    background: rgba(102, 126, 234, 0.2);
    color: #8da2fb;
}

.si-projects .si-section-title {
    color: var(--si-white);
}

.si-projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.si-project-card {
    border-radius: var(--si-radius-lg);
    overflow: hidden;
    position: relative;
    min-height: 280px;
    /* Reveal */
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.4s var(--si-ease);
}

.si-project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.si-project-large {
    grid-row: span 2;
    min-height: 0;
}

.si-project-img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    position: relative;
}

.si-project-large .si-project-img {
    min-height: 100%;
}

.si-project-overlay {
    position: absolute;
    inset: 0;
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
    transition: background 0.4s var(--si-ease);
}

.si-project-card:hover .si-project-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0.1) 100%);
}

.si-project-cat {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.15);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
    align-self: flex-start;
    backdrop-filter: blur(8px);
}

.si-project-overlay h3 {
    color: var(--si-white);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.si-project-overlay p {
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.si-project-results {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.si-project-results span {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}

.si-project-results strong {
    color: var(--si-white);
    font-weight: 700;
    display: block;
    font-size: 18px;
}

/* ============================================
   PROCESS
   ============================================ */
.si-process {
    padding: var(--si-section-py) 0;
    background: var(--si-white);
}

.si-process-timeline {
    display: flex;
    align-items: flex-start;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.si-process-step {
    flex: 1;
    text-align: center;
    /* Reveal */
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s var(--si-ease);
}

.si-process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.si-step-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--si-gradient-main);
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.si-step-marker span {
    font-size: 20px;
    font-weight: 800;
    color: var(--si-white);
}

.si-process-connector {
    flex: 0 0 auto;
    width: 60px;
    height: 2px;
    background: var(--si-gray-200);
    margin-top: 32px;
    position: relative;
}

.si-process-connector::after {
    content: '';
    position: absolute;
    top: -3px;
    right: -4px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--si-gray-300);
    border-top: 2px solid var(--si-gray-300);
    transform: rotate(45deg);
}

.si-step-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--si-primary);
    margin-bottom: 8px;
}

.si-step-content p {
    font-size: 14px;
    color: var(--si-gray-500);
    line-height: 1.6;
    max-width: 200px;
    margin: 0 auto;
}

/* ============================================
   TESTIMONIAL
   ============================================ */
.si-testimonial {
    padding: var(--si-section-py) 0;
    background: var(--si-off-white);
}

.si-testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 60px;
    background: var(--si-white);
    border-radius: var(--si-radius-xl);
    box-shadow: var(--si-shadow-md);
    border: 1px solid var(--si-gray-200);
    position: relative;
    /* Reveal */
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--si-ease);
}

.si-testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.si-quote-mark {
    font-family: var(--si-font-display);
    font-size: 120px;
    line-height: 0.6;
    background: var(--si-gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    position: absolute;
    top: 30px;
    left: 40px;
}

blockquote {
    font-size: 20px;
    color: var(--si-gray-700);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.si-testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.si-author-avatar {
    width: 48px;
    height: 48px;
    background: var(--si-gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--si-white);
    font-weight: 700;
    font-size: 16px;
}

.si-testimonial-author strong {
    display: block;
    color: var(--si-primary);
    font-size: 16px;
}

.si-testimonial-author span {
    font-size: 13px;
    color: var(--si-gray-400);
}

/* ============================================
   CTA
   ============================================ */
.si-cta {
    padding: var(--si-section-py) 0;
    background: var(--si-gradient-dark);
    position: relative;
    overflow: hidden;
}

.si-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 140%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.15), transparent 60%);
    pointer-events: none;
}

.si-cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.si-cta h2 {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 800;
    color: var(--si-white);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 20px;
}

.si-cta p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 36px;
}

.si-cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.si-cta-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   CONTACT
   ============================================ */
.si-contact {
    padding: var(--si-section-py) 0;
    background: var(--si-white);
}

.si-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.si-contact-info .si-section-title {
    text-align: left;
    margin-bottom: 8px;
}

.si-contact-info > p {
    font-size: 16px;
    color: var(--si-gray-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.si-contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.si-contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.si-ci-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(102, 126, 234, 0.08);
    border-radius: var(--si-radius-sm);
    font-size: 18px;
}

.si-contact-item strong {
    display: block;
    color: var(--si-primary);
    font-size: 15px;
    margin-bottom: 2px;
}

.si-contact-item span {
    font-size: 14px;
    color: var(--si-gray-500);
}

/* Contact Form */
.si-contact-form-wrap {
    background: var(--si-off-white);
    border: 1px solid var(--si-gray-200);
    border-radius: var(--si-radius-lg);
    padding: 40px;
}

.si-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.si-form-group {
    margin-bottom: 16px;
}

.si-form-row .si-form-group {
    margin-bottom: 0;
}

.si-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--si-gray-700);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.si-form-group input,
.si-form-group select,
.si-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--si-white);
    border: 1px solid var(--si-gray-200);
    border-radius: var(--si-radius-sm);
    font-family: var(--si-font-sans);
    font-size: 14px;
    color: var(--si-gray-700);
    transition: all 0.3s var(--si-ease);
    outline: none;
}

.si-form-group input:focus,
.si-form-group select:focus,
.si-form-group textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.si-form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.si-form-group select {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' fill='%236b7394'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.si-contact-form .si-btn {
    margin-top: 8px;
}

/* ============================================
   FOOTER
   ============================================ */
.si-footer {
    background: var(--si-gray-900);
    padding: 80px 0 0;
}

.si-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.si-footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.si-footer-logo .si-logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
    border-radius: 10px;
}

.si-footer-logo .si-logo-name {
    font-size: 16px;
}

.si-footer-brand > p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.7;
}

.si-footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--si-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.si-footer-links ul {
    list-style: none;
    padding: 0;
}

.si-footer-links li {
    margin-bottom: 10px;
}

.si-footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s var(--si-ease);
}

.si-footer-links a:hover {
    color: var(--si-white);
}

.si-footer-newsletter h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--si-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.si-footer-newsletter p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
    line-height: 1.6;
}

.si-newsletter-form {
    display: flex;
    gap: 0;
    border-radius: var(--si-radius-sm);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.si-newsletter-form input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    padding: 12px 16px;
    font-family: var(--si-font-sans);
    font-size: 14px;
    color: var(--si-white);
    outline: none;
}

.si-newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.si-newsletter-form button {
    background: var(--si-gradient-main);
    border: none;
    padding: 12px 20px;
    color: var(--si-white);
    font-size: 18px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.si-newsletter-form button:hover {
    opacity: 0.85;
}

.si-footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.si-footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .si-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .si-process-timeline {
        flex-wrap: wrap;
        justify-content: center;
    }

    .si-process-connector {
        display: none;
    }

    .si-process-step {
        flex: 0 0 calc(50% - 16px);
        margin-bottom: 32px;
    }

    .si-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .si-nav {
        display: none;
    }

    .si-menu-toggle {
        display: flex;
    }

    .si-hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
    }

    .si-stat-divider {
        width: 60px;
        height: 1px;
        margin: 0;
    }

    .si-services-grid {
        grid-template-columns: 1fr;
    }

    .si-impact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .si-projects-grid {
        grid-template-columns: 1fr;
    }

    .si-project-large {
        grid-row: span 1;
    }

    .si-contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .si-contact-form-wrap {
        padding: 28px;
    }

    .si-form-row {
        grid-template-columns: 1fr;
    }

    .si-footer-grid {
        grid-template-columns: 1fr;
    }

    .si-testimonial-card {
        padding: 36px 28px;
    }

    blockquote {
        font-size: 17px;
    }

    .si-quote-mark {
        font-size: 80px;
        top: 16px;
        left: 20px;
    }

    .si-process-step {
        flex: 0 0 100%;
    }
}

@media (max-width: 480px) {
    .si-hero {
        padding: 100px 0 60px;
    }

    .si-hero-actions {
        flex-direction: column;
    }

    .si-btn {
        justify-content: center;
        width: 100%;
    }

    .si-logo-name {
        font-size: 15px;
    }

    .si-logo-name em {
        font-size: 11px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
.si-service-card:nth-child(1) { transition-delay: 0ms; }
.si-service-card:nth-child(2) { transition-delay: 80ms; }
.si-service-card:nth-child(3) { transition-delay: 160ms; }
.si-service-card:nth-child(4) { transition-delay: 240ms; }
.si-service-card:nth-child(5) { transition-delay: 320ms; }
.si-service-card:nth-child(6) { transition-delay: 400ms; }

.si-impact-card:nth-child(1) { transition-delay: 0ms; }
.si-impact-card:nth-child(2) { transition-delay: 100ms; }
.si-impact-card:nth-child(3) { transition-delay: 200ms; }
.si-impact-card:nth-child(4) { transition-delay: 300ms; }

.si-project-card:nth-child(1) { transition-delay: 0ms; }
.si-project-card:nth-child(2) { transition-delay: 100ms; }
.si-project-card:nth-child(3) { transition-delay: 200ms; }
.si-project-card:nth-child(4) { transition-delay: 300ms; }

.si-process-step:nth-child(1) { transition-delay: 0ms; }
.si-process-step:nth-child(3) { transition-delay: 150ms; }
.si-process-step:nth-child(5) { transition-delay: 300ms; }
.si-process-step:nth-child(7) { transition-delay: 450ms; }

/* ============================================
   WORDPRESS OVERRIDES
   ============================================ */
.landing-page-bi .site-header,
.landing-page-bi .site-footer,
.landing-page-bi #wpadminbar,
.landing-page-bi .entry-header,
.landing-page-bi .entry-footer {
    display: none !important;
}

.landing-page-bi .site-content {
    padding: 0 !important;
    margin: 0 !important;
}

.landing-page-bi #page {
    padding-top: 0;
}

/* Remove default WP margins */
.landing-page-bi .entry-content {
    margin: 0;
    padding: 0;
}

/* Selection */
::selection {
    background: rgba(102, 126, 234, 0.2);
    color: var(--si-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--si-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--si-gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--si-gray-400);
}