/* ============================================
   munj.uk - Watercolor + Bold Geometric Design
   Palette: Analogous Warm (#F5A623, #E85D4A, #D94B8A)
   Typography: Bebas Neue, Work Sans, Montserrat
   Layout: F-pattern
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-accent-1: #F5A623;
    --color-accent-2: #E85D4A;
    --color-accent-3: #D94B8A;
    --color-warm: #FDD2B6;
    --color-blush: #F9EFE8;
    --color-dark: #3A3A3A;
    --color-light: #E8E8E8;
    --color-cream: #FFFAF5;

    --color-accent-1-rgb: 245, 166, 35;
    --color-accent-2-rgb: 232, 93, 74;
    --color-accent-3-rgb: 217, 75, 138;
    --color-warm-rgb: 253, 210, 182;
    --color-blush-rgb: 249, 239, 232;

    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    --font-accent: 'Montserrat', sans-serif;

    --animation-speed: 45s;
    --section-gap: 120px;
    --stem-width: 22vw;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.68;
    color: var(--color-dark);
    background-color: var(--color-blush);
    overflow-x: hidden;
}

/* ============================================
   Navigation
   ============================================ */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    z-index: 1000;
    background: linear-gradient(135deg,
        rgba(var(--color-accent-1-rgb), 0.08) 0%,
        rgba(255, 250, 245, 0.92) 40%,
        rgba(var(--color-blush-rgb), 0.95) 100%
    );
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(var(--color-warm-rgb), 0.3);
    transition: background 0.3s ease;
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-logo:hover {
    color: var(--color-accent-1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-family: var(--font-display);
    font-size: 16px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-dark);
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-dark);
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent-2);
    clip-path: inset(0 100% 0 0);
    transition: clip-path 0.2s ease;
}

.nav-link:hover {
    color: var(--color-accent-2);
}

.nav-link:hover::after,
.nav-link.active::after {
    clip-path: inset(0 0 0 0);
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-blush);
}

.hero-wash {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(var(--color-accent-1-rgb), 0.45) 0%, transparent 70%),
        radial-gradient(circle at 40% 60%, rgba(var(--color-accent-1-rgb), 0.20) 0%, transparent 60%),
        radial-gradient(circle at 70% 30%, rgba(var(--color-warm-rgb), 0.35) 0%, transparent 55%);
    mix-blend-mode: multiply;
    pointer-events: none;
}

.hero-wash-secondary {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 85% 60%, rgba(var(--color-accent-2-rgb), 0.30) 0%, transparent 75%),
        radial-gradient(circle at 60% 80%, rgba(var(--color-accent-3-rgb), 0.18) 0%, transparent 65%);
    mix-blend-mode: multiply;
    pointer-events: none;
}

.watercolor-texture {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 20% 30%, var(--color-dark) 1px, transparent 1px),
        radial-gradient(circle at 60% 70%, var(--color-dark) 1.5px, transparent 1.5px),
        radial-gradient(circle at 80% 20%, var(--color-dark) 1px, transparent 1px),
        radial-gradient(circle at 40% 90%, var(--color-dark) 2px, transparent 2px),
        radial-gradient(circle at 10% 60%, var(--color-dark) 1px, transparent 1px),
        radial-gradient(circle at 90% 50%, var(--color-dark) 1.5px, transparent 1.5px);
    background-size: 120px 100px, 150px 130px, 90px 110px, 180px 160px, 130px 140px, 100px 120px;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    padding-left: max(40px, 8vw);
    padding-top: 80px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 12vw, 84px);
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-dark);
    line-height: 1;
    margin-bottom: 16px;
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 400;
    color: var(--color-dark);
    max-width: 500px;
}

/* Hero Isometric Icons */
.hero-icon {
    position: absolute;
    z-index: 5;
    will-change: transform;
}

.hero-icon-book {
    width: 140px;
    height: 140px;
    right: 15%;
    top: 18%;
    opacity: 0.7;
}

.hero-icon-lightbulb {
    width: 120px;
    height: 120px;
    right: 35%;
    bottom: 25%;
    opacity: 0.5;
}

.hero-icon-rocket {
    width: 130px;
    height: 130px;
    right: 8%;
    bottom: 15%;
    opacity: 0.6;
}

.iso-icon {
    width: 100%;
    height: 100%;
}

.iso-icon-sm {
    width: 100%;
    height: 100%;
}

/* ============================================
   Floating Elements & Counter-Animation
   ============================================ */

.floating-pair {
    position: absolute;
    z-index: 3;
    pointer-events: none;
    --animation-speed: 45s;
    transition: --animation-speed 0.8s ease;
}

.floating-element {
    position: absolute;
    will-change: transform;
}

.circle-float {
    width: var(--size, 50px);
    height: var(--size, 50px);
    border-radius: 50%;
    background: var(--color, var(--color-accent-1));
    opacity: var(--opacity, 0.1);
}

.triangle-float {
    width: 0;
    height: 0;
    border-left: calc(var(--size, 40px) / 2) solid transparent;
    border-right: calc(var(--size, 40px) / 2) solid transparent;
    border-bottom: var(--size, 40px) solid var(--color, var(--color-accent-3));
    opacity: var(--opacity, 0.1);
}

.rect-float {
    width: var(--size, 50px);
    height: calc(var(--size, 50px) * 0.6);
    background: var(--color, var(--color-accent-2));
    opacity: var(--opacity, 0.08);
    border-radius: 3px;
}

/* Counter-animation keyframes */
@keyframes spinCW {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spinCCW {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

.spin-cw {
    animation: spinCW var(--animation-speed, 45s) linear infinite;
}

.spin-ccw {
    animation: spinCCW var(--animation-speed, 45s) linear infinite;
}

/* Hero floating pair positions */
.hero-pair-1 {
    top: 12%;
    right: 25%;
}
.hero-pair-1 .floating-element:nth-child(1) { top: 0; left: 0; }
.hero-pair-1 .floating-element:nth-child(2) { top: 60px; left: 50px; }

.hero-pair-2 {
    top: 50%;
    right: 12%;
}
.hero-pair-2 .floating-element:nth-child(1) { top: 0; left: 0; }
.hero-pair-2 .floating-element:nth-child(2) { top: 40px; left: -30px; }

.hero-pair-3 {
    bottom: 20%;
    left: 45%;
}
.hero-pair-3 .floating-element:nth-child(1) { top: 0; left: 0; }
.hero-pair-3 .floating-element:nth-child(2) { top: -30px; left: 60px; }

/* ============================================
   F-Pattern Main Layout
   ============================================ */

#main-layout {
    display: flex;
    position: relative;
    min-height: 100vh;
}

/* Left Column (F-stem) */
.f-stem {
    position: relative;
    width: var(--stem-width);
    min-width: 180px;
    flex-shrink: 0;
    background-color: var(--color-cream);
    overflow: hidden;
}

.stem-wash {
    position: absolute;
    left: 0;
    width: 100%;
    height: 400px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stem-wash.visible {
    opacity: 1;
}

.stem-wash-1 {
    top: 0;
    background:
        radial-gradient(circle at 50% 30%, rgba(var(--color-accent-1-rgb), 0.20) 0%, transparent 70%),
        radial-gradient(circle at 30% 70%, rgba(var(--color-warm-rgb), 0.15) 0%, transparent 60%);
    mix-blend-mode: multiply;
}

.stem-wash-2 {
    top: 500px;
    background:
        radial-gradient(circle at 60% 40%, rgba(var(--color-accent-2-rgb), 0.18) 0%, transparent 65%),
        radial-gradient(circle at 20% 80%, rgba(var(--color-accent-1-rgb), 0.12) 0%, transparent 55%);
    mix-blend-mode: multiply;
}

.stem-wash-3 {
    top: 1000px;
    background:
        radial-gradient(circle at 40% 50%, rgba(var(--color-accent-3-rgb), 0.20) 0%, transparent 70%),
        radial-gradient(circle at 70% 20%, rgba(var(--color-accent-2-rgb), 0.14) 0%, transparent 60%);
    mix-blend-mode: multiply;
}

.stem-wash-4 {
    top: 1500px;
    background:
        radial-gradient(circle at 55% 35%, rgba(var(--color-accent-1-rgb), 0.16) 0%, transparent 65%),
        radial-gradient(circle at 25% 65%, rgba(var(--color-accent-3-rgb), 0.12) 0%, transparent 55%);
    mix-blend-mode: multiply;
}

/* Stem floating pair positions */
.stem-pair-1 { position: absolute; top: 120px; left: 20%; }
.stem-pair-1 .floating-element:nth-child(1) { top: 0; left: 0; }
.stem-pair-1 .floating-element:nth-child(2) { top: 30px; left: 25px; }

.stem-pair-2 { position: absolute; top: 600px; left: 15%; }
.stem-pair-2 .floating-element:nth-child(1) { top: 0; left: 0; }
.stem-pair-2 .floating-element:nth-child(2) { top: 20px; left: 35px; }

.stem-pair-3 { position: absolute; top: 1100px; left: 25%; }
.stem-pair-3 .floating-element:nth-child(1) { top: 0; left: 0; }
.stem-pair-3 .floating-element:nth-child(2) { top: 25px; left: 20px; }

/* Stem Icons */
.stem-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    z-index: 2;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    opacity: 0.6;
}

.stem-icon:hover {
    transform: scale(1.15);
    opacity: 1;
}

.stem-icon-cubes { top: 200px; left: calc(50% - 30px); }
.stem-icon-data { top: 700px; left: calc(50% - 30px); }
.stem-icon-boxes { top: 1200px; left: calc(50% - 30px); }

/* ============================================
   Content Area
   ============================================ */

#content-area {
    flex: 1;
    min-width: 0;
    padding-top: 0;
}

/* Content Sections */
.content-section {
    position: relative;
    padding: var(--section-gap) 60px;
    overflow: hidden;
}

.section-watercolor {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-watercolor.visible {
    opacity: 1;
}

[data-wash-color="accent-1"] .section-watercolor {
    background:
        radial-gradient(circle at 10% 30%, rgba(var(--color-accent-1-rgb), 0.15) 0%, transparent 70%),
        radial-gradient(circle at 80% 70%, rgba(var(--color-warm-rgb), 0.12) 0%, transparent 60%);
    mix-blend-mode: multiply;
}

[data-wash-color="accent-2"] .section-watercolor {
    background:
        radial-gradient(circle at 15% 50%, rgba(var(--color-accent-2-rgb), 0.15) 0%, transparent 65%),
        radial-gradient(circle at 75% 25%, rgba(var(--color-accent-1-rgb), 0.10) 0%, transparent 55%);
    mix-blend-mode: multiply;
}

[data-wash-color="accent-3"] .section-watercolor {
    background:
        radial-gradient(circle at 20% 40%, rgba(var(--color-accent-3-rgb), 0.15) 0%, transparent 70%),
        radial-gradient(circle at 70% 60%, rgba(var(--color-accent-2-rgb), 0.10) 0%, transparent 60%);
    mix-blend-mode: multiply;
}

.section-inner {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.section-label {
    display: block;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-2);
    margin-bottom: 12px;
}

.section-heading {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(36px, 5vw, 48px);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 28px;
}

[data-wash-color="accent-1"] .section-heading { color: var(--color-accent-1); }
[data-wash-color="accent-2"] .section-heading { color: var(--color-accent-2); }
[data-wash-color="accent-3"] .section-heading { color: var(--color-accent-3); }

.section-body p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.68;
    color: var(--color-dark);
    margin-bottom: 16px;
    max-width: 45ch;
}

.section-body p:last-child {
    margin-bottom: 0;
}

/* ============================================
   F-Cross Bar (Secondary Horizontal)
   ============================================ */

.f-cross-bar {
    position: relative;
    padding: 30px 60px;
    display: flex;
    align-items: center;
    gap: 24px;
    overflow: hidden;
    transition: opacity 0.4s ease;
}

.f-cross-wash {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(var(--color-accent-2-rgb), 0.10) 0%, transparent 70%),
        radial-gradient(ellipse at 80% 50%, rgba(var(--color-accent-1-rgb), 0.08) 0%, transparent 60%);
    mix-blend-mode: multiply;
    pointer-events: none;
}

.f-cross-label {
    position: relative;
    z-index: 2;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-3);
}

.f-cross-icons {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 16px;
}

.f-cross-icon {
    width: 32px;
    height: 32px;
}

/* ============================================
   Explore Cards
   ============================================ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.explore-card {
    position: relative;
    padding: 28px 24px;
    border-radius: 8px;
    background-color: var(--color-cream);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.explore-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(var(--color-accent-2-rgb), 0.15);
}

.card-wash {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.6;
}

.card-wash-1 {
    background: radial-gradient(circle at 20% 80%, rgba(var(--color-accent-1-rgb), 0.12) 0%, transparent 70%);
}

.card-wash-2 {
    background: radial-gradient(circle at 80% 20%, rgba(var(--color-accent-2-rgb), 0.12) 0%, transparent 70%);
}

.card-wash-3 {
    background: radial-gradient(circle at 50% 50%, rgba(var(--color-accent-3-rgb), 0.10) 0%, transparent 70%);
}

.card-title {
    position: relative;
    z-index: 2;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 24px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.card-text {
    position: relative;
    z-index: 2;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.55;
    color: var(--color-dark);
    opacity: 0.8;
}

/* ============================================
   Connect CTA
   ============================================ */

.connect-cta {
    margin-top: 36px;
}

.cta-link {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent-1);
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease;
}

.cta-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent-2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.cta-link:hover {
    color: var(--color-accent-2);
}

.cta-link:hover::after {
    transform: scaleX(1);
}

/* ============================================
   Footer
   ============================================ */

#footer {
    position: relative;
    padding: 48px 60px;
    background-color: var(--color-cream);
    overflow: hidden;
}

.footer-wash {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(var(--color-accent-1-rgb), 0.08) 0%, transparent 60%),
        radial-gradient(circle at 80% 50%, rgba(var(--color-accent-3-rgb), 0.06) 0%, transparent 55%);
    mix-blend-mode: multiply;
    pointer-events: none;
}

.footer-inner {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-dark);
}

.footer-note {
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-light);
}

/* ============================================
   Particle Overlay
   ============================================ */

#particle-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.025;
    background-image:
        radial-gradient(circle, var(--color-dark) 1.5px, transparent 1.5px),
        radial-gradient(circle, var(--color-dark) 1px, transparent 1px),
        radial-gradient(circle, var(--color-dark) 2px, transparent 2px);
    background-size: 200px 180px, 160px 220px, 280px 250px;
    background-position: 10px 20px, 80px 60px, 150px 100px;
}

/* ============================================
   Fade-in Animation
   ============================================ */

.fade-in-element {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-element.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Hover Acceleration for Counter-Animation
   ============================================ */

.content-section:hover ~ .f-stem .floating-pair,
.content-section.hovered .floating-pair {
    --animation-speed: 8s;
}

.content-section:hover .floating-pair {
    --animation-speed: 8s;
}

/* When content blocks are hovered, accelerate nearby floating elements */
.hero-section:hover .floating-pair {
    --animation-speed: 8s;
}

.hero-section:hover .floating-pair .spin-cw {
    animation-duration: 8s;
}

.hero-section:hover .floating-pair .spin-ccw {
    animation-duration: 8s;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    :root {
        --section-gap: 80px;
    }

    #navbar {
        height: 64px;
    }

    .nav-inner {
        padding: 0 24px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(var(--color-blush-rgb), 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
    }

    .nav-links.expanded {
        max-height: 300px;
        padding: 20px 24px;
    }

    .nav-links:not(.expanded) {
        padding: 0 24px;
    }

    .f-stem {
        display: none;
    }

    #main-layout {
        flex-direction: column;
    }

    .content-section {
        padding: var(--section-gap) 32px;
    }

    .f-cross-bar {
        padding: 24px 32px;
    }

    .hero-content {
        padding-left: 32px;
    }

    .hero-icon-book {
        width: 100px;
        height: 100px;
        right: 10%;
        top: 15%;
    }

    .hero-icon-lightbulb {
        width: 80px;
        height: 80px;
        right: 30%;
        bottom: 20%;
    }

    .hero-icon-rocket {
        width: 90px;
        height: 90px;
        right: 5%;
        bottom: 12%;
    }
}

@media (max-width: 600px) {
    :root {
        --section-gap: 60px;
    }

    .content-section {
        padding: var(--section-gap) 20px;
    }

    .f-cross-bar {
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-content {
        padding-left: 20px;
    }

    .section-body p {
        font-size: 16px;
    }

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

    .hero-icon-book,
    .hero-icon-lightbulb,
    .hero-icon-rocket {
        opacity: 0.4;
    }

    #footer {
        padding: 32px 20px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .cta-link {
        font-size: 22px;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}