/* ============================================
   KOR SOLUTIONS - MAIN STYLESHEET
   Industrial-grade professional landing page
   Colors: Dark Navy, Orange Accent, White
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* Primary Palette — Premium Gradient */
    --navy-900: #0066cc;
    /*пердній текст*/
    --navy-800: #99ccff;
    --navy-700: #0066cc;
     /*градіент в поличках верхній*/
    --navy-600: #002699;
    --navy-500: #004080;
    --navy-400: #004080;
    --navy-300: #004080;
    --teal-500: #004080;
    --gold-500: #99ccff;
    --gold-400: #99ccff;
    --mist: #99ccff;

    /* Orange Accent */
    --orange-500: #0066cc;
    --orange-400: #ffbb33;
    --orange-300: #ffbb33;
    --orange-600: #ffbb33;
    --orange-glow: rgba(212, 175, 55, 0.25);

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #e6f2ff;
    --gray-100: #e6f2ff;
    --gray-200: #e6f2ff;
    --gray-300: #99ccff;
    --gray-400: #99ccff;
    --gray-500: #99ccff;
    --gray-600: #99ccff;
    --gray-700: #99ccff;
    --gray-800: #99ccff;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-py: 100px;
    --container-px: 20px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.1);
    --shadow-lg: 0 10px 40px rgba(10, 22, 40, 0.15);
    --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.2);
    --shadow-orange: 0 8px 30px rgba(232, 114, 42, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

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

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-px);
}

/* === PREMIUM ANIMATED GRADIENT CANVAS === */
.premium-gradient-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.premium-gradient-canvas .gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0;
    will-change: transform, opacity;
    transition: opacity 1.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-gradient-canvas .gradient-orb.orb-visible {
    opacity: 1;
}

.premium-gradient-canvas .orb-1 {
    width: 60000px;
    height: 60000px;
    background: radial-gradient(circle, rgba(15, 42, 68, 0.5) 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation: orbDrift1 30s infinite ease-in-out;
}

.premium-gradient-canvas .orb-2 {
    width: 50000px;
    height: 50000px;
    background: radial-gradient(circle, rgba(46, 111, 174, 0.2) 0%, transparent 70%);
    top: 20%;
    right: -8%;
    animation: orbDrift2 35s infinite ease-in-out;
}

.premium-gradient-canvas .orb-3 {
    width: 45000px;
    height: 45000px;
    background: radial-gradient(circle, rgba(95, 169, 217, 0.12) 0%, transparent 70%);
    bottom: 10%;
    left: 15%;
    animation: orbDrift3 28s infinite ease-in-out;
}

.premium-gradient-canvas .orb-4 {
    width: 35000px;
    height: 35000px;
    background: radial-gradient(circle, rgba(102, 153, 153, 0.1) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation: orbDrift4 32s infinite ease-in-out;
}

.premium-gradient-canvas .orb-5 {
    width: 30000px;
    height: 30000px;
    background: radial-gradient(circle, rgba(242, 183, 5, 0.06) 0%, transparent 70%);
    bottom: -5%;
    right: 20%;
    animation: orbDrift5 26s infinite ease-in-out;
}

@keyframes orbDrift1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, 30px) scale(1.05); }
    66% { transform: translate(-20px, 50px) scale(0.97); }
}

@keyframes orbDrift2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, 40px) scale(1.03); }
    66% { transform: translate(30px, -30px) scale(0.98); }
}

@keyframes orbDrift3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.04); }
    66% { transform: translate(-40px, 20px) scale(0.96); }
}

@keyframes orbDrift4 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-35px, -25px) scale(1.02); }
    66% { transform: translate(25px, 35px) scale(0.99); }
}

@keyframes orbDrift5 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(45px, -20px) scale(1.06); }
    66% { transform: translate(-15px, 40px) scale(0.95); }
}

/* === ANIMATIONS BASE — PREMIUM SCROLL FADE === */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    filter: blur(1px); /* було 3px */
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
}

/* Subtle scroll-linked fade-out when leaving viewport */
.animate-on-scroll.fade-out-scroll {
    opacity: 0.3;
    transform: translateY(-10px);
    filter: blur(0.3px); /* було 1px */
}

/* Stagger delays — elegant cascade */
.animate-on-scroll:nth-child(2) { transition-delay: 0.08s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.16s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.24s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.32s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 10px 0;
    transition: all var(--transition-base);

    background: rgba(15, 42, 68, 0.25); /* один колір */
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.navbar.scrolled {
    background: rgba(15, 42, 68, 0.55); /* той самий колір, інша прозорість */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

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

.logo {
    font-size: clamp(1.1rem, 1.8vw, 1.3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-kor {
    color: var(--orange-500);
}

.logo img {
    height: 30px;
    width: auto;
    display: block;
}



.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.nav-cta {
    background: var(--orange-500) !important;
    color: var(--white) !important;
    font-weight: 600 !important;
    padding: 8px 20px !important;
}

.nav-cta:hover {
    background: var(--orange-600) !important;
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(165deg, #0a1628 0%, #0F2A44 35%, #162a4a 60%, #1a3454 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 50%, rgba(46, 111, 174, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 20%, rgba(95, 169, 217, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 85%, rgba(242, 183, 5, 0.04) 0%, transparent 40%),
        radial-gradient(ellipse at 85% 70%, rgba(102, 153, 153, 0.06) 0%, transparent 45%);
    pointer-events: none;
    animation: heroBgShift 20s infinite ease-in-out alternate;
}

@keyframes heroBgShift {
    0% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.03); }
    100% { opacity: 0.85; transform: scale(1.01); }
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(95, 169, 217, 0.25);
    border-radius: 50%;
    animation: floatParticle 15s infinite ease-in-out;
}

.hero-particle:nth-child(3n) {
    background: rgba(242, 183, 5, 0.15);
}

.hero-particle:nth-child(5n) {
    background: rgba(102, 153, 153, 0.2);
}

@keyframes floatParticle {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { transform: translateY(-200px) translateX(50px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(232, 114, 42, 0.12);
    border: 1px solid rgba(232, 114, 42, 0.25);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--orange-400);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 32px;
}

.hero-badge i {
    font-size: 0.75rem;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.highlight {
    color: var(--orange-500);
}

.highlight-light {
    color: var(--orange-400);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    padding: 12px 28px;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--orange-500);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
    background: var(--orange-600);
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(232, 114, 42, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(232, 114, 42, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange-400);
    font-size: 1.1rem;
}

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

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--orange-400);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--orange-500);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { top: -50%; }
    100% { top: 100%; }
}

/* ============================================
   SECTIONS BASE
   ============================================ */
.section {
    padding: var(--section-py) 0;
    position: relative;
}

.section-light {
    background: var(--white);
    position: relative;
}

/* Subtle gradient shimmer on light sections */
.section-light::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 10% 0%, rgba(46, 111, 174, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 100%, rgba(95, 169, 217, 0.025) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.section-light > .container {
    position: relative;
    z-index: 1;
}

.section-dark {
    background: linear-gradient(170deg, #0a1628 0%, #0F2A44 100%);
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(46, 111, 174, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 20%, rgba(102, 153, 153, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.section-accent {
    background: linear-gradient(165deg, #0F2A44 0%, #162a4a 50%, #1a3a5a 100%);
    position: relative;
}

.section-accent::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(95, 169, 217, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 90%, rgba(242, 183, 5, 0.03) 0%, transparent 40%);
    pointer-events: none;
}

.section-gradient {
    background: linear-gradient(165deg, #0a1628 0%, #0F2A44 50%, #162a4a 100%);
    position: relative;
}

.section-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(102, 153, 153, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, rgba(46, 111, 174, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.section-cta {
    background: linear-gradient(165deg, #0F2A44 0%, #0a1628 100%);
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 600px;
    height: 600px;
    background:
        radial-gradient(circle, rgba(95, 169, 217, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(242, 183, 5, 0.04) 0%, transparent 60%);
    pointer-events: none;
    animation: ctaOrbPulse 15s infinite ease-in-out alternate;
}

@keyframes ctaOrbPulse {
    0% { transform: translate(0, 0) scale(1); opacity: 0.7; }
    100% { transform: translate(-20px, 15px) scale(1.08); opacity: 1; }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: white;
    background: linear-gradient(135deg, #ffbb33, #ff8800);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.tag-light {
    color: var(--orange-400);
    background: rgba(232, 114, 42, 0.15);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.title-light {
    color: var(--white);
}

.section-desc {
    font-size: 1.1rem;
    color:  #ffffff;
    max-width: 600px;
    margin: 0 auto;
}

.desc-light {
    color: rgba(255, 255, 255, 0.65);
}

/* ============================================
   O NAS (ABOUT)
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-lead {
    font-size: 1.15rem;
    font-weight: 500;
    color: #002699;
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-content p {
    color: #002699;
    margin-bottom: 14px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-feature-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.about-feature-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-color: rgba(232, 114, 42, 0.2);
    transform: translateY(-2px);
}

.feature-icon-wrap {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.about-feature-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 4px;
}

.about-feature-card p {
    font-size: 0.875rem;
    color: #002699;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ============================================
   WYZWANIA (CHALLENGES)
   ============================================ */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.challenge-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-base);
}

.challenge-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(232, 114, 42, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.challenge-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: var(--radius-md);
    background: rgba(232, 114, 42, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--orange-400);
    transition: all var(--transition-base);
}

.challenge-card:hover .challenge-icon {
    background: var(--orange-500);
    color: var(--white);
}

.challenge-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.challenge-card p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

.challenge-callout {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(232, 114, 42, 0.08);
    border: 1px solid rgba(232, 114, 42, 0.2);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    max-width: 700px;
    margin: 0 auto;
}

.challenge-callout i {
    font-size: 1.5rem;
    color: var(--orange-400);
    flex-shrink: 0;
}

.challenge-callout p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

.challenge-callout strong {
    color: var(--orange-400);
}

/* ============================================
   PODEJŚCIE (APPROACH)
   ============================================ */
.approach-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 32px;
    align-items: stretch;
}

.approach-card-big {
    background: linear-gradient(145deg, var(--navy-900), var(--navy-800));
    border-radius: var(--radius-lg);
    padding: 48px;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.approach-card-big::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(232, 114, 42, 0.1) 0%, transparent 70%);
}

.approach-icon-big {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.approach-card-big h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.approach-card-big p {
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin-bottom: 12px;
    position: relative;
}

.approach-card-big strong {
    color: var(--orange-400);
}

.approach-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.approach-card-small {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    padding: 28px;
    flex: 1;
    transition: all var(--transition-base);
}

.approach-card-small:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-color: rgba(232, 114, 42, 0.2);
    transform: translateY(-2px);
}

.approach-icon-small {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(232, 114, 42, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange-500);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.approach-card-small h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
}

.approach-card-small p {
    font-size: 0.9rem;
    color: #002699;
    line-height: 1.7;
}

/* ============================================
   ZAKRES (SCOPE)
   ============================================ */
.scope-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.scope-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
}

.scope-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(232, 114, 42, 0.4);
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.scope-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
}

.scope-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
    transition: all var(--transition-base);
}

.scope-card:hover .scope-icon {
    transform: scale(1.08);
    box-shadow: var(--shadow-orange);
}

.scope-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.scope-card p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

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

.scope-note p {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(232, 114, 42, 0.1);
    border: 1px solid rgba(232, 114, 42, 0.2);
    border-radius: 50px;
    padding: 12px 28px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

.scope-note i {
    color: var(--orange-400);
}

/* ============================================
   WSPÓŁPRACA (PROCESS)
   ============================================ */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 48px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--orange-500), var(--orange-300));
    border-radius: 2px;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 64px;
    height: 64px;
    min-width: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
    box-shadow: var(--shadow-orange);
    position: relative;
    z-index: 1;
}

.step-content {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    padding: 28px;
    flex: 1;
    transition: all var(--transition-base);
}

.step-content:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-color: rgba(232, 114, 42, 0.2);
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(232, 114, 42, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange-500);
    font-size: 1rem;
    margin-bottom: 12px;
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.9rem;
    color:  #002699;
    line-height: 1.7;
}

/* Process Result */
.result-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, var(--navy-900), var(--navy-800));
    border-radius: var(--radius-md);
    padding: 24px 36px;
    max-width: 600px;
    margin: 0 auto;
}

.result-card i {
    font-size: 2rem;
    color: var(--orange-400);
    flex-shrink: 0;
}

.result-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    line-height: 1.6;
}

.result-card strong {
    color: var(--orange-400);
}

/* ============================================
   ZASADY (RULES)
   ============================================ */
.rules-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.rules-main h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.rule-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.rule-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(232, 114, 42, 0.3);
}

.rule-check {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.75rem;
}

.rule-item span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 500;
}

.note-card {
    background: rgba(232, 114, 42, 0.08);
    border: 1px solid rgba(232, 114, 42, 0.2);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.note-card i {
    font-size: 3rem;
    color: var(--orange-400);
}

.note-card p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
}

.note-card strong {
    color: var(--orange-400);
}

/* ============================================
   EFEKTY (EFFECTS)
   ============================================ */
.effects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.effect-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all var(--transition-base);
}

.effect-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232, 114, 42, 0.2);
    transform: translateY(-4px);
}

.effect-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    transition: all var(--transition-base);
}

.effect-card:hover .effect-icon {
    transform: scale(1.1) rotate(-3deg);
    box-shadow: var(--shadow-orange);
}

.effect-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
}

.effect-card p {
    font-size: 0.875rem;
    color: #002699;
    line-height: 1.7;
}

/* 5th card span full width centered */
.effects-grid .effect-card:nth-child(4) {
    grid-column: 1 / 2;
}

.effects-grid .effect-card:nth-child(5) {
    grid-column: 2 / 3;
}

/* ============================================
   DLACZEGO (WHY)
   ============================================ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.why-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    transition: all var(--transition-base);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(232, 114, 42, 0.4);
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.why-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border-radius: var(--radius-md);
    background: rgba(232, 114, 42, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange-400);
    font-size: 1.3rem;
    transition: all var(--transition-base);
}

.why-card:hover .why-icon {
    background: var(--orange-500);
    color: var(--white);
}

.why-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.why-card p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

/* ============================================
   DLA KOGO (TARGET)
   ============================================ */
.target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.target-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 48px 32px;
    text-align: center;
    transition: all var(--transition-base);
}

.target-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    border-color: rgba(232, 114, 42, 0.2);
    transform: translateY(-6px);
}

.target-visual {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--navy-900), var(--navy-800));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--orange-400);
    transition: all var(--transition-base);
}

.target-card:hover .target-visual {
    background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
    color: var(--white);
    transform: scale(1.08);
    box-shadow: var(--shadow-orange);
}

.target-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 10px;
}

.target-card p {
    font-size: 0.9rem;
    color:  #002699;
    line-height: 1.7;
}

/* ============================================
   KONTAKT / CTA FORM
   ============================================ */
.cta-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 16px 0 20px;
}

.cta-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.cta-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.cta-form label {
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 6px;
}

.cta-form label i {
    font-size: 0.7rem;
    color: var(--orange-400);
}

.cta-form input,
.cta-form textarea {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--white);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: all var(--transition-base);
    outline: none;
}

.cta-form input::placeholder,
.cta-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.cta-form input:focus,
.cta-form textarea:focus {
    border-color: var(--orange-500);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: 0 0 0 3px rgba(232, 114, 42, 0.15);
}

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

.cta-form .btn {
    grid-column: 1 / -1;
    margin-top: 8px;
}

.form-success {
    text-align: center;
    padding: 48px 24px;
}

.form-success i {
    font-size: 4rem;
    color: #22c55e;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.form-success p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(180deg, #0a1628 0%, #091320 100%);
    padding: 60px 0 0;
    border-top: 1px solid rgba(46, 111, 174, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .logo img {
    height: 26px;
    width: auto;
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-contact a,
.footer-contact li {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--orange-400);
}

.footer-contact i {
    color: var(--orange-500);
    font-size: 0.8rem;
    width: 16px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .challenges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .scope-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .logo img {
        height: 24px;
    }

    .footer-brand .logo img {
        height: 22px;
    }

@media (max-width: 768px) {
    :root {
        --section-py: 70px;
    }

    /* Nav Mobile */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy-900);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: right var(--transition-base);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
        gap: 4px;
    }

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

    .nav-links li a {
        font-size: 1rem;
        padding: 12px 20px;
        width: 100%;
        display: block;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero {
        padding: 100px 0 60px;
    }

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

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

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* Challenges */
    .challenges-grid {
        grid-template-columns: 1fr;
    }

    /* Approach */
    .approach-grid {
        grid-template-columns: 1fr;
    }

    /* Scope */
    .scope-grid {
        grid-template-columns: 1fr;
    }

    /* Process */
    .process-timeline::before {
        left: 22px;
    }

    .step-number {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1rem;
    }

    .step-content {
        padding: 20px;
    }

    /* Rules */
    .rules-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Effects */
    .effects-grid {
        grid-template-columns: 1fr;
    }

    .effects-grid .effect-card:nth-child(4),
    .effects-grid .effect-card:nth-child(5) {
        grid-column: auto;
    }

    /* Why */
    .why-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Target */
    .target-grid {
        grid-template-columns: 1fr;
    }

    /* CTA */
    .cta-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 0.9rem;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .challenge-callout {
        flex-direction: column;
        text-align: center;
    }

    .section-title {
        font-size: 1.6rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }

/* === PREMIUM SECTION TRANSITION OVERLAYS === */
.section-dark + .section-light::after,
.section-accent + .section-light::after,
.section-gradient + .section-light::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, rgba(15, 42, 68, 0.03) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

.section-light + .section-dark::after,
.section-light + .section-accent::after,
.section-light + .section-gradient::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* Mobile menu overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 40, 0.7);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}