:root {
    color-scheme: dark;
    --primary-color: #f5c86a;
    --secondary-color: #ff405f;
    --background: #090b15;
    --text-color: #f7f2e8;
    --muted: rgba(247, 242, 232, .68);
    --faint: rgba(247, 242, 232, .42);
    --line: rgba(255, 238, 199, .16);
    --glass: rgba(255, 255, 255, .07);
    --glass-strong: rgba(255, 255, 255, .13);
    --shadow: 0 30px 100px rgba(0, 0, 0, .48);
    --sea: #27d7ff;
    --violet: #7861ff;
    --nav-height: 76px;
}

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

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

html {
    min-height: 100%;
    background:
        radial-gradient(circle at 18% 12%, rgba(120, 97, 255, .30), transparent 28rem),
        radial-gradient(circle at 84% 9%, rgba(39, 215, 255, .22), transparent 26rem),
        radial-gradient(circle at 50% 112%, rgba(255, 64, 95, .20), transparent 34rem),
        linear-gradient(145deg, #0b0d19 0%, #151724 46%, #080a14 100%);
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    width: 0;
    height: 0;
}

body {
    min-height: 100%;
    color: var(--text-color);
    line-height: 1.6;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background:
        radial-gradient(circle at 18% 12%, rgba(120, 97, 255, .30), transparent 28rem),
        radial-gradient(circle at 84% 9%, rgba(39, 215, 255, .22), transparent 26rem),
        radial-gradient(circle at 50% 112%, rgba(255, 64, 95, .20), transparent 34rem),
        linear-gradient(145deg, #0b0d19 0%, #151724 46%, #080a14 100%);
    background-attachment: fixed;
}

body::before,
body::after {
    content: "";
    position: fixed;
    pointer-events: none;
    z-index: -1;
}

body::before {
    inset: 0;
    opacity: .16;
    background-image:
        linear-gradient(rgba(245, 200, 106, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245, 200, 106, .05) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(circle at center, black, transparent 76%);
}

body::after {
    width: 38rem;
    height: 38rem;
    right: -15rem;
    bottom: -15rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(39, 215, 255, .34), rgba(255, 64, 95, .20));
    filter: blur(42px);
    opacity: .42;
    animation: tideGlow 15s ease-in-out infinite alternate;
}

/* Navbar Styles */
.navbar {
    width: min(1100px, calc(100% - 30px));
    min-height: var(--nav-height);
    margin: clamp(16px, 3vw, 34px) auto 0;
    padding: 10px 12px 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    position: sticky;
    top: 16px;
    z-index: 1000;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: linear-gradient(145deg, var(--glass-strong), rgba(255, 255, 255, .045));
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 238, 199, .20);
    backdrop-filter: blur(25px) saturate(150%);
    -webkit-backdrop-filter: blur(25px) saturate(150%);
}

.nav-brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text-color);
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -.02em;
    text-shadow: 0 0 24px rgba(245, 200, 106, .16);
}

.brand-mark {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 17px;
    background: rgba(255, 255, 255, .08);
    box-shadow: 0 0 34px rgba(245, 200, 106, .18), inset 0 1px 0 rgba(255, 255, 255, .28);
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.08) contrast(1.06);
}

.nav-links {
    display: flex;
    gap: .75rem;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    padding: 9px 13px;
    border: 1px solid rgba(255, 238, 199, .12);
    border-radius: 999px;
    background: rgba(255, 255, 255, .055);
    font-size: .88rem;
    transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-color);
    border-color: rgba(255, 238, 199, .30);
    background: rgba(255, 255, 255, .10);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    width: min(1100px, calc(100% - 30px));
    min-height: 320px;
    margin: clamp(18px, 2.4vw, 28px) auto 0;
    padding: clamp(36px, 6vw, 70px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 38px;
    background:
        radial-gradient(circle at 82% 22%, rgba(245, 200, 106, .14), transparent 20rem),
        radial-gradient(circle at 88% 45%, rgba(39, 215, 255, .18), transparent 22rem),
        linear-gradient(145deg, var(--glass-strong), rgba(255, 255, 255, .045));
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 238, 199, .20);
    backdrop-filter: blur(25px) saturate(150%);
    -webkit-backdrop-filter: blur(25px) saturate(150%);
}

.hero::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(125deg, rgba(255, 238, 199, .32), rgba(245, 200, 106, .26), rgba(39, 215, 255, .20), rgba(255, 64, 95, .18));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    opacity: .74;
}

.hero::after {
    content: "☠︎ ▶";
    position: absolute;
    right: clamp(24px, 7vw, 90px);
    top: 50%;
    width: clamp(130px, 22vw, 230px);
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 238, 199, .14);
    border-radius: 38px;
    color: rgba(245, 200, 106, .82);
    font-size: clamp(2.7rem, 7vw, 5.4rem);
    letter-spacing: -.12em;
    text-indent: -.18em;
    background:
        radial-gradient(circle at 56% 50%, rgba(255, 64, 95, .24), transparent 24%),
        conic-gradient(from 132deg, rgba(245, 200, 106, .22), rgba(39, 215, 255, .16), rgba(255, 64, 95, .18), rgba(245, 200, 106, .22)),
        linear-gradient(180deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .04));
    box-shadow: inset 0 1px 0 rgba(255, 238, 199, .20), 0 26px 75px rgba(0, 0, 0, .34);
    transform: translateY(-50%) rotate(-1deg);
    animation: glassFloat 5.8s ease-in-out infinite;
}

.hero h1,
.hero p {
    position: relative;
    z-index: 1;
    max-width: min(640px, calc(100% - clamp(170px, 28vw, 320px)));
}

.hero h1 {
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: left;
    font-family: ui-serif, Georgia, "Times New Roman", serif;
    font-size: clamp(2.7rem, 7vw, 5.8rem);
    line-height: .92;
    letter-spacing: -.06em;
    font-weight: 850;
}

.hero p {
    color: var(--muted);
    font-size: clamp(1rem, 1.7vw, 1.15rem);
    line-height: 1.62;
    font-weight: 430;
    opacity: 1;
}

/* Container Styles */
.container {
    width: min(1100px, calc(100% - 30px));
    max-width: none;
    margin: 0 auto;
    padding: clamp(18px, 2.4vw, 28px) 0 clamp(28px, 4vw, 46px);
    overflow-x: hidden;
}

/* Search Section */
.search-section {
    position: relative;
    margin: 0 auto clamp(16px, 2.2vw, 24px);
    width: 100%;
    max-width: none;
}

.search-box {
    width: 100%;
    padding: 16px 20px;
    margin: 0;
    font-size: 1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 238, 199, .16);
    outline: none;
    background: linear-gradient(145deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .045));
    color: var(--text-color);
    box-shadow: 0 20px 70px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 238, 199, .18);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.search-box::placeholder {
    color: var(--faint);
}

.search-box:focus {
    border-color: rgba(245, 200, 106, .42);
    background: linear-gradient(145deg, rgba(255, 255, 255, .17), rgba(255, 255, 255, .065));
    box-shadow: 0 24px 80px rgba(0, 0, 0, .42), 0 0 0 4px rgba(245, 200, 106, .10), inset 0 1px 0 rgba(255, 238, 199, .22);
}

.topic-count {
    width: max-content;
    max-width: 100%;
    margin: 18px auto 8px;
    padding: 8px 13px;
    border: 1px solid rgba(255, 238, 199, .13);
    border-radius: 999px;
    color: rgba(247, 242, 232, .72);
    background: rgba(255, 255, 255, .055);
    font-size: .82rem;
    font-weight: 760;
    letter-spacing: .02em;
}

/* Topics Container */
.topics-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
    gap: clamp(12px, 2vw, 18px);
    margin: 0 auto;
    width: 100%;
}

.topic-button {
    min-height: 96px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 1.35rem;
    border-radius: 26px;
    border: 1px solid var(--line);
    color: var(--text-color);
    cursor: pointer;
    background: linear-gradient(145deg, var(--glass-strong), rgba(255, 255, 255, .045));
    box-shadow: 0 22px 75px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 238, 199, .18);
    backdrop-filter: blur(22px) saturate(145%);
    -webkit-backdrop-filter: blur(22px) saturate(145%);
    transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    font-size: 1rem;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    font-weight: 760;
    text-align: left;
}

.topic-button::before {
    content: "";
    position: absolute;
    inset: auto -70px -95px auto;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 64, 95, .75), rgba(245, 200, 106, .58));
    opacity: .18;
    filter: blur(8px);
    z-index: -1;
    transition: transform .25s ease, opacity .25s ease;
}

.topic-button:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 238, 199, .30);
    background: linear-gradient(145deg, rgba(255, 255, 255, .17), rgba(255, 255, 255, .065));
    box-shadow: 0 34px 100px rgba(0, 0, 0, .50), inset 0 1px 0 rgba(255, 238, 199, .26);
}

.topic-button:hover::before {
    transform: translate(-12px, -10px) scale(1.08);
    opacity: .30;
}

.footer {
    width: min(1100px, calc(100% - 30px));
    margin: 0 auto clamp(16px, 3vw, 34px);
    color: var(--faint);
    font-size: .9rem;
    text-align: center;
}

@keyframes tideGlow {
    to { transform: translate(-6rem, -4rem) scale(.95); }
}

@keyframes glassFloat {
    0%, 100% { transform: translateY(-50%) rotate(-1deg); }
    50% { transform: translateY(calc(-50% - 12px)) rotate(1deg); }
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .navbar {
        width: min(100% - 18px, 1100px);
        min-height: 58px;
        margin-top: 9px;
        padding: 9px 10px 9px 14px;
        top: 9px;
        border-radius: 22px;
    }

    .nav-brand {
        gap: 10px;
        font-size: 1rem;
        line-height: 1.1;
    }

    .brand-mark {
        width: 40px;
        height: 40px;
        border-radius: 15px;
    }

    .nav-links {
        flex: 0 0 auto;
        gap: .5rem;
    }

    .nav-links a {
        padding: 8px 11px;
        font-size: .82rem;
    }

    body {
        padding: 0;
        text-align: left;
    }

    .hero {
        width: min(100% - 18px, 1100px);
        min-height: 190px;
        margin-top: 12px;
        padding: 28px 20px;
        align-items: flex-start;
        border-radius: 28px;
    }

    .hero::after {
        right: -24px;
        top: auto;
        bottom: -32px;
        width: 132px;
        border-radius: 28px;
        font-size: 3.35rem;
        opacity: .24;
        transform: rotate(-8deg);
        animation: none;
    }

    .hero h1,
    .hero p {
        max-width: 100%;
    }

    .hero h1 {
        max-width: 10ch;
        margin-bottom: .75rem;
        font-size: clamp(2.05rem, 10.5vw, 3.25rem);
        line-height: .95;
    }

    .hero p {
        max-width: 24rem;
        font-size: .98rem;
        line-height: 1.5;
    }

    .container {
        width: min(100% - 18px, 1100px);
        padding: 14px 0 28px;
        max-width: none;
    }

    .search-section {
        margin-bottom: 12px;
    }

    .search-box {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: 20px;
    }

    .topics-container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 0;
        padding: 0;
    }

    .topic-button {
        width: 100%;
        min-height: 72px;
        display: block;
        margin: 0;
        padding: 1rem;
        border: 1px solid var(--line);
        border-radius: 20px;
        font-size: .96rem;
        line-height: 1.25;
        text-transform: none;
        box-shadow: 0 18px 55px rgba(0, 0, 0, .30), inset 0 1px 0 rgba(255, 238, 199, .16);
    }

    .topic-button:hover {
        transform: translateY(-2px);
        background: linear-gradient(145deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .06));
        box-shadow: 0 24px 70px rgba(0, 0, 0, .40), inset 0 1px 0 rgba(255, 238, 199, .22);
    }
}

@media (max-width: 500px) {
    :root {
        --nav-height: auto;
    }

    .navbar {
        gap: 10px;
        flex-direction: row;
        align-items: center;
        padding: 10px 11px 10px 14px;
        border-radius: 20px;
    }

    .nav-brand {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: .98rem;
    }

    .nav-links {
        width: auto;
        margin-left: auto;
    }

    .nav-links a {
        width: auto;
        padding: 7px 10px;
        text-align: center;
        font-size: .78rem;
    }

    .hero {
        min-height: 176px;
        padding: 24px 17px;
        border-radius: 24px;
    }

    .hero h1 {
        max-width: 9ch;
        font-size: clamp(1.95rem, 11.5vw, 2.85rem);
    }

    .hero p {
        max-width: 19rem;
        font-size: .94rem;
    }

    .hero::after {
        right: -34px;
        bottom: -38px;
        width: 118px;
        border-radius: 25px;
        font-size: 2.95rem;
        opacity: .20;
    }

    .search-box {
        font-size: 15px;
    }

    .topic-button {
        min-height: 66px;
        border-radius: 18px;
        font-size: .92rem;
    }
}

@media (max-width: 360px) {
    .navbar,
    .hero,
    .container,
    .footer {
        width: min(100% - 14px, 1100px);
    }

    .navbar {
        padding-inline: 10px;
    }

    .nav-brand {
        font-size: .9rem;
    }

    .nav-links a {
        padding-inline: 9px;
        font-size: .74rem;
    }

    .hero {
        min-height: 160px;
        padding: 22px 15px;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .hero p {
        font-size: .9rem;
    }

    .topic-button {
        padding: .9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition: none !important;
    }
}