/* Cheese — Home page */
/* =====================
   RESET
   ===================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =====================
   BODY
   ===================== */
/* Shared visual identity: the SAME background image as the Analysis and
   Opening Explorer pages (custom_bg1.png), cover-sized and fixed. */

body {
    height: 100vh;
    overflow: auto;
    background-image: url("Background/custom_bg1.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    font-family: Arial, sans-serif;
    color: white;
}

/* =====================
   LEFT NAVIGATION SIDEBAR  (unchanged)
   ===================== */

.left-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 220px;
    height: 100vh;
    background: rgba(12, 16, 28, 0.72);
    backdrop-filter: blur(28px) saturate(135%);
    -webkit-backdrop-filter: blur(28px) saturate(135%);
    border-right: 1px solid rgba(255, 255, 255, 0.10);
    display: flex;
    flex-direction: column;
    z-index: 100;
    box-shadow: 6px 0 34px rgba(0, 0, 0, 0.45),
                inset 0 1px 0 rgba(255, 255, 255, 0.05),
                inset -1px 0 0 rgba(255, 255, 255, 0.04);
    padding: 0 0 24px 0;
}

/* LOGO */

a.left-nav-logo,
a.left-nav-item {
    text-decoration: none;
    color: inherit;
    display: flex;
}

a.left-nav-logo {
    cursor: pointer;
}

a.left-nav-logo:hover {
    background: rgba(255, 255, 255, 0.04);
}

/* Wrapper li for navigable items — no list styling */
.left-nav-items > li:has(a.left-nav-item-link) {
    list-style: none;
}

/* Navigable (non-active, non-disabled) nav item hover */
a.left-nav-item-link {
    cursor: pointer;
    width: 100%;
}

a.left-nav-item-link:hover {
    background: rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.85);
    transform: translateX(3px);
}

.left-nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 26px 20px 22px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    margin-bottom: 16px;
}

.left-nav-logo-icon {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
}

.left-nav-logo-text {
    font-size: 22px;
    font-weight: 800;
    color: white;
    letter-spacing: 0.5px;
    font-family: Arial, sans-serif;
}

/* NAV LIST */

.left-nav-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 12px;
    flex: 1;
}

/* NAV ITEM */

.left-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 15px;
    font-weight: 500;
    font-family: Arial, sans-serif;
    cursor: default;
    transition: background 0.18s ease, color 0.18s ease, transform 0.15s ease;
    position: relative;
    user-select: none;
}

/* ACTIVE */

.left-nav-active {
    background: rgba(255, 255, 255, 0.10);
    color: white;
    cursor: default;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.09);
}

/* ACTIVE accent bar */

.left-nav-active::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 0 3px 3px 0;
}

/* DISABLED */

.left-nav-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.left-nav-disabled:hover {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.65);
    transform: translateX(3px);
    opacity: 0.65;
}

/* COMING SOON tooltip */

.left-nav-disabled::after {
    content: attr(data-soon);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
    background: rgba(20, 26, 45, 0.96);
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 7px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.18s ease, transform 0.18s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 200;
}

.left-nav-disabled:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* ICON */

.left-nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.85;
}

/* =====================
   HOME CONTENT AREA
   ===================== */

.home-container {
    margin-left: 220px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 84px 60px 88px 60px;
}

.home-inner {
    width: 100%;
    max-width: 1080px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* =====================
   HERO
   ===================== */

.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
    margin-bottom: 78px;
}

/* Soft dark scrim behind the hero so text reads clearly over the bright
   background. Purely visual — does not affect layout or spacing.
   Low opacity + blur + a gradient that fades out well inside the box, so it
   reads as a natural vignette with no visible circular edge. */
.hero::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 185%;
    height: 215%;
    background: radial-gradient(ellipse at center,
                rgba(6, 9, 16, 0.30) 0%,
                rgba(6, 9, 16, 0.22) 30%,
                rgba(6, 9, 16, 0.10) 50%,
                rgba(6, 9, 16, 0.0) 70%);
    filter: blur(30px);
    z-index: -1;
    pointer-events: none;
}

/* Cheese logo — stands alone inside its own circular border */
.hero-icon {
    width: 92px;
    height: 92px;
    opacity: 0.96;
    filter: drop-shadow(0 6px 22px rgba(0, 0, 0, 0.4));
}

/* Off-white title for readability on the bright background, with a soft
   shadow for separation. */
.hero-title {
    font-size: 68px;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1.04;
    color: #eef1f8;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 600;
    color: rgba(244, 247, 253, 0.92);
    letter-spacing: 0.3px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}

.hero-desc {
    margin-top: 4px;
    max-width: 540px;
    font-size: 15px;
    line-height: 1.7;
    color: rgba(233, 238, 246, 0.82);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
    margin-top: 2px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.2px;
    color: rgba(233, 238, 246, 0.58);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* HERO BUTTONS */

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 16px;
}

/* Second row holding the fourth button, centered beneath the first three */
.hero-actions-secondary {
    margin-top: 14px;
}

.home-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 13px;
    font-size: 15px;
    font-weight: 700;
    font-family: Arial, sans-serif;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    transition: transform 0.2s cubic-bezier(0.22, 0.61, 0.36, 1),
                box-shadow 0.2s ease,
                background 0.2s ease,
                border-color 0.2s ease;
}

.home-btn svg {
    width: 18px;
    height: 18px;
}

/* Primary — the clear place to begin */
.home-btn-primary {
    background: rgba(244, 247, 253, 0.95);
    color: #0c1018;
    border-color: rgba(255, 255, 255, 0.55);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.home-btn-primary:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.45);
}

.home-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

/* Secondary — dark glass */
.home-btn-ghost {
    background: rgba(13, 16, 22, 0.62);
    color: #eaeef7;
    border-color: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.3);
}

.home-btn-ghost:hover {
    background: rgba(20, 25, 33, 0.74);
    border-color: rgba(255, 255, 255, 0.32);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
}

.home-btn-ghost:active {
    transform: translateY(0);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

/* =====================
   FEATURES
   ===================== */

.features {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.features-heading {
    font-size: 23px;
    font-weight: 700;
    letter-spacing: 0.2px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8),
                 0 2px 14px rgba(0, 0, 0, 0.5);
    margin-bottom: 30px;
}

.feature-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

/* FEATURE CARD — strong dark glass panel */
.feature-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 26px 24px;
    border-radius: 16px;
    background: rgba(13, 16, 22, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(20px) saturate(130%);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition: transform 0.22s cubic-bezier(0.22, 0.61, 0.36, 1),
                border-color 0.22s ease,
                box-shadow 0.22s ease,
                background 0.22s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.20);
    background: rgba(18, 23, 32, 0.9);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.52),
                inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.feature-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    transition: background 0.22s ease, border-color 0.22s ease;
}

.feature-card-icon svg {
    width: 21px;
    height: 21px;
    color: rgba(255, 255, 255, 0.82);
}

.feature-card:hover .feature-card-icon {
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.18);
}

.feature-card-title {
    font-size: 16.5px;
    font-weight: 700;
    color: #f2f5fb;
}

.feature-card-desc {
    font-size: 13.5px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.6);
}

/* =====================
   MOTION — tasteful, on-load only
   ===================== */

@keyframes homeRise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Hero fades up in a gentle cascade */
.hero-icon     { animation: homeRise 0.6s ease-out 0.02s both; }
.hero-title    { animation: homeRise 0.6s ease-out 0.10s both; }
.hero-subtitle { animation: homeRise 0.6s ease-out 0.18s both; }
.hero-desc     { animation: homeRise 0.6s ease-out 0.26s both; }
.hero-tagline  { animation: homeRise 0.6s ease-out 0.30s both; }
.hero-actions  { animation: homeRise 0.6s ease-out 0.34s both; }

.features-heading { animation: homeRise 0.6s ease-out 0.42s both; }

/* Feature cards settle in just after the hero, lightly staggered */
.feature-card { animation: homeRise 0.55s ease-out both; }
.feature-card:nth-child(1) { animation-delay: 0.48s; }
.feature-card:nth-child(2) { animation-delay: 0.55s; }
.feature-card:nth-child(3) { animation-delay: 0.62s; }
.feature-card:nth-child(4) { animation-delay: 0.69s; }
.feature-card:nth-child(5) { animation-delay: 0.76s; }
.feature-card:nth-child(6) { animation-delay: 0.83s; }

/* =====================
   RESPONSIVE
   ===================== */

@media (max-width: 1100px) {
    .hero-title { font-size: 60px; }
}

@media (max-width: 900px) {
    .home-container { padding: 64px 40px 72px 40px; }
    .hero { margin-bottom: 60px; }
    .hero-title { font-size: 52px; }
}

@media (max-width: 560px) {
    .home-container { padding: 48px 22px 60px 22px; }
    .hero-title { font-size: 42px; }
    .hero-subtitle { font-size: 17px; }
    .hero-actions { width: 100%; flex-direction: column; }
    .home-btn { width: 100%; justify-content: center; }
    .feature-grid { grid-template-columns: minmax(0, 1fr); }
}

/* =====================
   REDUCED MOTION
   ===================== */

@media (prefers-reduced-motion: reduce) {
    .hero-icon,
    .hero-title,
    .hero-subtitle,
    .hero-desc,
    .hero-tagline,
    .hero-actions,
    .features-heading,
    .feature-card,
    .home-btn {
        animation: none !important;
        transition: none !important;
    }
    .feature-card:hover,
    .home-btn:hover {
        transform: none;
    }
}