/* ============================================
   guidance.dev - Twilight Navigation
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --deep-slate: #1B2332;
    --midnight-blue: #243044;
    --signal-amber: #E8A84C;
    --horizon-teal: #4FA3A5;
    --pale-silver: #E2E0DD;
    --mist-gray: #9A9BA0;
    --warm-white: #FFF5E6;
    --dusk-violet: #6B5B7B;

    --font-display: 'DM Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --font-body: 'Source Serif 4', serif;
}

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

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

body {
    background-color: var(--deep-slate);
    color: var(--pale-silver);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.8;
    overflow-x: hidden;
}

/* --- Fixed Navigation Compass Strip --- */
#compass-nav {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    z-index: 100;
    padding: 20px 0;
}

.nav-bearing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    transition: all 0.4s ease;
    opacity: 0.4;
}

.nav-bearing.active {
    opacity: 1;
}

.nav-bearing.active .bearing-label {
    color: var(--signal-amber);
    text-shadow: 0 0 20px rgba(232, 168, 76, 0.4);
}

.nav-bearing.active .bearing-number {
    color: var(--horizon-teal);
}

.bearing-number {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    color: var(--mist-gray);
    transition: color 0.4s ease;
}

.bearing-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mist-gray);
    transition: all 0.4s ease;
}

.nav-bearing:hover {
    opacity: 0.8;
}

.nav-bearing:hover .bearing-label {
    color: var(--warm-white);
}

/* --- Sections Base --- */
.section {
    position: relative;
    min-height: 100vh;
    padding: clamp(3rem, 6vw, 6rem) clamp(4rem, 10vw, 8rem);
    padding-left: clamp(5rem, 10vw, 9rem);
    overflow: hidden;
}

/* --- Background Contours --- */
.contour-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.contour-line {
    stroke: var(--dusk-violet);
    stroke-width: 0.5px;
    opacity: 0.15;
    stroke-dasharray: 1200;
    stroke-dashoffset: 0;
}

.contour-1 { animation: contourFlow 60s linear infinite; }
.contour-2 { animation: contourFlow 50s linear infinite reverse; }
.contour-3 { animation: contourFlow 70s linear infinite; }
.contour-4 { animation: contourFlow 55s linear infinite reverse; }
.contour-5 { animation: contourFlow 65s linear infinite; }

@keyframes contourFlow {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: 2400; }
}

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

/* --- Hero Section --- */
#hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(180deg, var(--deep-slate) 0%, var(--midnight-blue) 100%);
}

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

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

/* --- Compass Rose --- */
.compass-rose-container {
    width: clamp(200px, 30vw, 320px);
    height: clamp(200px, 30vw, 320px);
}

.compass-rose {
    width: 100%;
    height: 100%;
}

.pulse-ring {
    stroke: var(--signal-amber);
    stroke-width: 0.5;
    opacity: 0;
}

.pulse-1 { animation: pulseOut 3s ease-out infinite; }
.pulse-2 { animation: pulseOut 3s ease-out 1s infinite; }
.pulse-3 { animation: pulseOut 3s ease-out 2s infinite; }

@keyframes pulseOut {
    0% {
        r: 85;
        opacity: 0.4;
        stroke-width: 1;
    }
    100% {
        r: 140;
        opacity: 0;
        stroke-width: 0.2;
    }
}

.outer-ring {
    stroke: var(--horizon-teal);
    stroke-width: 1;
    stroke-dasharray: 8 4;
    opacity: 0.6;
    animation: rotateRing 20s linear infinite;
    transform-origin: 150px 150px;
}

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

.inner-ring {
    stroke: var(--mist-gray);
    stroke-width: 0.5;
    opacity: 0.3;
}

.compass-arm {
    fill: var(--signal-amber);
    opacity: 0.85;
}

.compass-n { opacity: 1; }
.compass-e { opacity: 0.7; }
.compass-s { opacity: 0.5; }
.compass-w { opacity: 0.7; }

.compass-center {
    fill: var(--signal-amber);
}

.cardinal-label {
    font-family: var(--font-mono);
    font-size: 10px;
    fill: var(--mist-gray);
    letter-spacing: 0.08em;
    opacity: 0.7;
}

.tick-mark {
    stroke: var(--horizon-teal);
    stroke-width: 1.5;
    opacity: 0.5;
}

.tick-mark-sm {
    stroke: var(--mist-gray);
    stroke-width: 1;
    opacity: 0.3;
}

/* --- Hero Typography --- */
.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3rem, 8vw, 6rem);
    color: var(--signal-amber);
    letter-spacing: 0.02em;
    text-align: center;
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: clamp(0.75rem, 1.2vw, 0.95rem);
    color: var(--mist-gray);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    overflow: hidden;
}

.scroll-line {
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--signal-amber), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.2; transform: translateY(-100%); }
    50% { opacity: 0.8; transform: translateY(100%); }
}

/* --- Pathway Connectors --- */
.pathway-connector {
    position: relative;
    height: 120px;
    display: flex;
    justify-content: center;
    z-index: 1;
}

.pathway-connector svg {
    width: 60px;
    height: 100%;
}

.pathway-line {
    stroke: var(--horizon-teal);
    stroke-width: 1;
    opacity: 0.4;
    stroke-dasharray: 6 4;
    animation: pathwayFlow 3s linear infinite;
}

@keyframes pathwayFlow {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -20; }
}

.pathway-node {
    fill: var(--signal-amber);
    opacity: 0.3;
    animation: nodeGlow 4s ease-in-out infinite;
}

@keyframes nodeGlow {
    0%, 100% { opacity: 0.2; r: 3; }
    50% { opacity: 0.6; r: 4; }
}

/* --- Section Headers --- */
.section-header {
    position: relative;
    z-index: 1;
    margin-bottom: clamp(2rem, 4vw, 4rem);
}

.section-bearing {
    font-family: var(--font-mono);
    font-size: clamp(0.7rem, 1vw, 0.85rem);
    color: var(--horizon-teal);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--signal-amber);
    letter-spacing: 0.02em;
    margin-bottom: 12px;
    clip-path: inset(0 100% 0 0);
    transition: clip-path 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-title.revealed {
    clip-path: inset(0 0% 0 0);
}

.section-subtitle {
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: var(--mist-gray);
    max-width: 60ch;
}

/* --- Glass Cards --- */
.glass-card {
    background: linear-gradient(135deg, rgba(36, 48, 68, 0.8), rgba(27, 35, 50, 0.6));
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(79, 163, 165, 0.15);
    border-radius: 16px;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 245, 230, 0.05);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    position: relative;
    z-index: 1;
}

.glass-card:hover {
    transform: translateY(-4px) scale(1.015);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(232, 168, 76, 0.08), inset 0 1px 0 rgba(255, 245, 230, 0.08);
    border-color: rgba(232, 168, 76, 0.2);
}

.glass-card h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--warm-white);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.glass-card p {
    font-family: var(--font-body);
    color: var(--pale-silver);
    line-height: 1.8;
    max-width: 60ch;
}

.glass-card blockquote {
    border-left: 2px solid var(--signal-amber);
    padding-left: 1.5rem;
    margin: 0;
}

.glass-card blockquote p {
    font-style: italic;
    color: var(--warm-white);
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
}

/* --- Section Animations --- */
.section-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered card animations */
.glass-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

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

.glass-card:hover {
    transform: translateY(-4px) scale(1.015);
}

/* --- North Section: Vision - Horizon Layout --- */
.section-north {
    background: linear-gradient(180deg, var(--midnight-blue) 0%, var(--deep-slate) 100%);
}

.horizon-container {
    position: relative;
    z-index: 1;
}

.horizon-sky {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: 3rem;
}

.horizon-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--horizon-teal), var(--signal-amber), var(--horizon-teal), transparent);
    opacity: 0.4;
    margin-bottom: 3rem;
}

.horizon-ground {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.glass-card-practical {
    border-color: rgba(107, 91, 123, 0.2);
}

.glass-card-practical h3 {
    color: var(--horizon-teal);
}

/* --- East Section: Knowledge - Contour Bands --- */
.section-east {
    background: linear-gradient(180deg, var(--deep-slate) 0%, var(--midnight-blue) 100%);
}

.contour-bands {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.contour-band {
    position: relative;
}

.band-1 { padding-left: 0; }
.band-2 { padding-left: clamp(1rem, 3vw, 3rem); }
.band-3 { padding-left: clamp(2rem, 6vw, 6rem); }

.contour-band::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--dusk-violet), transparent);
    opacity: 0.1;
    z-index: 0;
}

.elevation-marker {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--horizon-teal);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
    padding: 4px 12px;
    border: 1px solid rgba(79, 163, 165, 0.2);
    border-radius: 20px;
}

.glass-card-knowledge {
    max-width: 700px;
}

/* --- South Section: Reflection - Centered Column --- */
.section-south {
    background: var(--deep-slate);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-south .section-header {
    text-align: center;
    width: 100%;
}

.reflection-container {
    position: relative;
    z-index: 1;
    max-width: 650px;
    width: 100%;
}

.plumb-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(232, 168, 76, 0.2), rgba(232, 168, 76, 0.3), rgba(232, 168, 76, 0.2), transparent);
    z-index: 0;
}

.reflection-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.glass-card-reflection {
    background: linear-gradient(135deg, rgba(36, 48, 68, 0.7), rgba(27, 35, 50, 0.5));
}

.glass-card-reflection h3 {
    color: var(--signal-amber);
    text-align: center;
}

.glass-card-reflection p {
    text-align: center;
    margin: 0 auto;
}

.glass-card-reflection blockquote {
    border-left: none;
    padding-left: 0;
    text-align: center;
}

.glass-card-reflection blockquote p {
    text-align: center;
}

/* --- West Section: Action - Vanishing Point --- */
.section-west {
    background: linear-gradient(180deg, var(--midnight-blue) 0%, var(--deep-slate) 100%);
}

.action-container {
    position: relative;
    z-index: 1;
}

.vanishing-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.vanishing-line {
    position: absolute;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--horizon-teal));
    opacity: 0.08;
    transform-origin: right center;
}

.line-1 { top: 10%; width: 90%; transform: rotate(-3deg); }
.line-2 { top: 30%; width: 85%; transform: rotate(-1.5deg); }
.line-3 { top: 50%; width: 100%; transform: rotate(0deg); opacity: 0.12; }
.line-4 { top: 70%; width: 85%; transform: rotate(1.5deg); }
.line-5 { top: 90%; width: 90%; transform: rotate(3deg); }

.action-cards {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.action-number {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 500;
    color: var(--signal-amber);
    opacity: 0.3;
    margin-bottom: 8px;
    line-height: 1;
}

.glass-card-action h3 {
    color: var(--warm-white);
}

/* --- Ambient Glow Effect --- */
@keyframes ambientGlow {
    0%, 100% { box-shadow: 0 0 30px rgba(232, 168, 76, 0.08); }
    50% { box-shadow: 0 0 50px rgba(232, 168, 76, 0.18); }
}

.hero-title {
    animation: ambientGlow 4s ease-in-out infinite;
}

/* --- Footer --- */
#footer {
    padding: clamp(3rem, 5vw, 5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    border-top: 1px solid rgba(79, 163, 165, 0.1);
}

.footer-compass {
    width: 60px;
    height: 60px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.footer-compass:hover {
    opacity: 1;
}

.footer-compass-icon {
    width: 100%;
    height: 100%;
}

.footer-text {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1rem;
    color: var(--mist-gray);
    letter-spacing: 0.02em;
}

.footer-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--mist-gray);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.6;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    #compass-nav {
        display: none;
    }

    .section {
        padding: clamp(2rem, 4vw, 4rem) clamp(1.5rem, 4vw, 3rem);
    }

    .horizon-sky,
    .horizon-ground,
    .action-cards {
        grid-template-columns: 1fr;
    }

    .band-2,
    .band-3 {
        padding-left: 0;
    }

    .compass-rose-container {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .reflection-container {
        max-width: 100%;
    }
}

/* --- Selection --- */
::selection {
    background: rgba(232, 168, 76, 0.3);
    color: var(--warm-white);
}