/* ================================================================
   Persona 3 Reload — Blue Theme · CryptoLab
   ================================================================ */

/* ---- CSS Custom Properties ---- */
:root {
    /* Persona 3 Reload palette — intensified blue */
    --p3-deep:       #041a52;
    --p3-midnight:   #0c3488;
    --p3-navy:       #1a52c4;
    --p3-blue:       #66c2ff;
    --p3-blue-bright:#a8dcff;
    --p3-blue-dark:  #2d7de0;
    --p3-silver:     #d6eeff;
    --p3-glow:       rgba(102, 194, 255, 0.58);

    /* Accent aliases (used across templates) */
    --c-cyan:    var(--p3-blue-bright);
    --c-violet:  var(--p3-blue);
    --c-indigo:  var(--p3-blue-dark);
    --c-emerald: #5eead4;
    --c-rose:    #f87171;

    /* Bootstrap primary → saturated P3 blue */
    --bs-primary:       #4db0ff;
    --bs-primary-rgb:   77, 176, 255;
    --bs-info:          #7ec8ff;
    --bs-info-rgb:      126, 200, 255;
    --bs-link-color:    var(--p3-blue);
    --bs-link-hover-color: var(--p3-blue-bright);

    /* Dark-mode glass surface (rich blue panels) */
    --glass-bg:      rgba(12, 48, 130, 0.82);
    --glass-border:  rgba(150, 215, 255, 0.32);
    --glass-shadow:  0 8px 32px rgba(10, 40, 120, 0.65);
    --glass-blur:    18px;

    /* Layout */
    --nav-height: 64px;
    --radius-lg:  1rem;
    --radius-md:  0.625rem;

    /* Transitions */
    --t-fast:   0.15s ease;
    --t-normal: 0.25s ease;
    --t-slow:   0.4s ease;
}

/* Light-mode overrides (P3 daytime UI) */
[data-bs-theme="light"] {
    --glass-bg:     rgba(200, 228, 255, 0.88);
    --glass-border: rgba(45, 125, 224, 0.35);
    --glass-shadow: 0 8px 32px rgba(26, 82, 196, 0.20);
    --glass-blur:   16px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--p3-deep);
    background-image:
        linear-gradient(165deg, var(--p3-deep) 0%, var(--p3-midnight) 35%, var(--p3-navy) 70%, #2a6ae8 100%),
        radial-gradient(ellipse 120% 80% at 50% 0%, rgba(102, 194, 255, 0.18) 0%, transparent 55%);
    color: var(--p3-silver);
    overflow-x: hidden;
    transition: background-color var(--t-slow), color var(--t-slow);
    -webkit-font-smoothing: antialiased;
}

[data-bs-theme="light"] body {
    background-color: #b8daff;
    background-image: linear-gradient(165deg, #c8e4ff 0%, #8ec4ff 45%, #5aa8ff 100%);
    color: #082a5c;
}

/* ================================================================
   ANIMATED BACKGROUND
   ================================================================ */

/* Aurora blobs — dark mode */
.aurora-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}

.aurora-bg::before,
.aurora-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0;
    animation: aurora-appear 1.2s ease forwards;
}

/* Blob 1 — P3 electric blue */
.aurora-bg::before {
    width: 70vw;
    height: 70vw;
    max-width: 700px;
    max-height: 700px;
    top: -15%;
    left: -10%;
    background: radial-gradient(circle, rgba(102, 194, 255, 0.62) 0%, transparent 68%);
    animation: aurora-appear 1.2s ease forwards, aurora-drift-a 20s ease-in-out 1.2s infinite alternate;
}

/* Blob 2 — deep navy glow */
.aurora-bg::after {
    width: 60vw;
    height: 60vw;
    max-width: 600px;
    max-height: 600px;
    bottom: -10%;
    right: -10%;
    background: radial-gradient(circle, rgba(45, 125, 224, 0.65) 0%, transparent 68%);
    animation: aurora-appear 1.4s ease forwards, aurora-drift-b 22s ease-in-out 1.4s infinite alternate;
}

@keyframes aurora-appear {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes aurora-drift-a {
    0%   { transform: translate(0, 0)    scale(1); }
    50%  { transform: translate(4%, -4%) scale(1.08); }
    100% { transform: translate(-2%, 3%) scale(1.03); }
}
@keyframes aurora-drift-b {
    0%   { transform: translate(0, 0)    scale(1); }
    50%  { transform: translate(-3%, 4%) scale(1.06); }
    100% { transform: translate(3%, -2%) scale(1.04); }
}

/* Extra middle blob via a JS-free div */
.aurora-mid {
    position: fixed;
    z-index: -2;
    pointer-events: none;
    width: 55vw;
    height: 55vw;
    max-width: 550px;
    max-height: 550px;
    bottom: 20%;
    left: 30%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(77, 176, 255, 0.48) 0%, transparent 68%);
    filter: blur(90px);
    opacity: 0;
    animation: aurora-appear 1.6s ease forwards, aurora-drift-c 18s ease-in-out 1.6s infinite alternate;
}
@keyframes aurora-drift-c {
    0%   { transform: translate(0, 0)    scale(1); }
    50%  { transform: translate(-4%, -3%) scale(1.1); }
    100% { transform: translate(2%, 4%)   scale(1.05); }
}

/* Light mode: soft sky-blue aurora */
[data-bs-theme="light"] .aurora-bg::before {
    background: radial-gradient(circle, rgba(77, 176, 255, 0.38) 0%, transparent 68%);
}
[data-bs-theme="light"] .aurora-bg::after {
    background: radial-gradient(circle, rgba(45, 125, 224, 0.32) 0%, transparent 68%);
}
[data-bs-theme="light"] .aurora-mid {
    background: radial-gradient(circle, rgba(150, 215, 255, 0.35) 0%, transparent 68%);
}

/* Twinkling stars — dark only */
.stars {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        radial-gradient(1px 1px at 12% 18%, rgba(174,220,255,.85), transparent),
        radial-gradient(2px 2px at 35% 42%, rgba(126,200,255,.65), transparent),
        radial-gradient(1px 1px at 58% 12%, rgba(200,228,255,.90), transparent),
        radial-gradient(2px 2px at 72% 28%, rgba(77,166,255,.70), transparent),
        radial-gradient(1px 1px at 88% 55%, rgba(174,220,255,.75), transparent),
        radial-gradient(2px 2px at 22% 65%, rgba(126,200,255,.55), transparent),
        radial-gradient(1px 1px at 45% 82%, rgba(200,228,255,.70), transparent),
        radial-gradient(2px 2px at 62% 72%, rgba(61,158,232,.50), transparent),
        radial-gradient(1px 1px at 80% 90%, rgba(174,220,255,.75), transparent),
        radial-gradient(1px 1px at  5% 45%, rgba(126,200,255,.65), transparent),
        radial-gradient(2px 2px at 90% 15%, rgba(77,166,255,.60), transparent),
        radial-gradient(1px 1px at 25% 30%, rgba(200,228,255,.80), transparent);
    animation: twinkle 8s ease-in-out infinite alternate;
}
@keyframes twinkle {
    from { opacity: .55; }
    to   { opacity: .92; }
}
[data-bs-theme="light"] .stars { display: none; }

/* Replace dark black panels with saturated blue panels */
[data-bs-theme="dark"] .bg-black.bg-opacity-25 {
    background-color: rgba(12, 48, 130, 0.55) !important;
}
[data-bs-theme="dark"] .bg-black.bg-opacity-50 {
    background-color: rgba(12, 48, 130, 0.72) !important;
}

/* ================================================================
   GLASSMORPHISM
   ================================================================ */
.glass-nav {
    height: var(--nav-height);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 1px 24px rgba(10,40,120,.50), 0 0 48px rgba(102,194,255,.14);
    transition: background var(--t-slow), border-color var(--t-slow);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
    transition: transform var(--t-normal), box-shadow var(--t-normal), background var(--t-slow);
}
.glass-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(10,40,120,.55), 0 0 32px rgba(102,194,255,.18);
    border-color: rgba(150, 215, 255, 0.45);
}
[data-bs-theme="light"] .glass-card:hover {
    box-shadow: 0 16px 40px rgba(26,82,196,.28), 0 0 24px rgba(102,194,255,.15);
}

.glass-alert {
    backdrop-filter: blur(12px);
    border-left-width: 3px;
}

/* ================================================================
   NAVIGATION
   ================================================================ */
.glass-nav .navbar-collapse {
    justify-content: flex-start;
}

@media (min-width: 992px) {
    .glass-nav .navbar-nav {
        flex-direction: row;
    }
}

.nav-link {
    font-size: .92rem;
    font-weight: 500;
    color: inherit;
    border-radius: var(--radius-md);
    transition: color var(--t-fast), background var(--t-fast), opacity var(--t-fast);
    opacity: .75;
}
.nav-link:hover, .nav-link.active { opacity: 1; }
.nav-link.active {
    color: var(--p3-blue-bright) !important;
    text-shadow: 0 0 12px var(--p3-glow);
}

[data-bs-theme="light"] .nav-link.active { color: var(--c-indigo) !important; }

/* Theme toggle pill */
#themeToggle {
    font-size: .82rem;
    font-weight: 600;
    border-color: var(--glass-border);
    transition: all var(--t-normal);
}
#themeToggle:hover {
    transform: scale(1.06);
    box-shadow: 0 0 14px var(--p3-glow);
    border-color: var(--p3-blue) !important;
    color: var(--p3-blue-bright) !important;
}

/* ================================================================
   TYPOGRAPHY
   ================================================================ */
.font-monospace { font-family: 'JetBrains Mono', monospace !important; }

.text-gradient {
    background: linear-gradient(135deg, var(--p3-blue-bright), var(--p3-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: clamp(1.6rem, 5.5vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.15;
    background: linear-gradient(140deg, #ffffff 20%, var(--p3-blue-bright) 70%, var(--p3-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 32px rgba(102, 194, 255, 0.45));
}

[data-bs-theme="light"] .hero-title {
    background: linear-gradient(140deg, #0a2847 15%, var(--p3-blue-dark) 55%, var(--p3-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: none;
}

.hero-subtitle {
    font-size: clamp(.85rem, 2vw, 1rem);
    font-weight: 300;
    color: #9ecfff;
    letter-spacing: .01em;
}
[data-bs-theme="light"] .hero-subtitle { color: #2d5a8a; }

/* ================================================================
   FORM CONTROLS
   ================================================================ */
.form-control,
.form-select {
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    font-size: .93rem;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--p3-blue);
    box-shadow: 0 0 0 3px rgba(102, 194, 255, 0.38);
}

.key-inputs-box {
    background: rgba(102, 194, 255, 0.14);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}
[data-bs-theme="light"] .key-inputs-box {
    background: rgba(61, 158, 232, 0.06);
    border-color: rgba(37, 99, 184, 0.15);
}

.form-text { font-size: .78rem; opacity: .7; }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
    font-weight: 500;
    letter-spacing: .01em;
    transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast) !important;
    position: relative;
    overflow: hidden;
}
.btn:hover:not(:disabled) { transform: translateY(-2px); }
.btn:active               { transform: translateY(0) !important; }

.btn-primary {
    background: linear-gradient(135deg, var(--p3-blue-dark), var(--p3-blue));
    border-color: var(--p3-blue);
}
.btn-primary:hover  { box-shadow: 0 6px 24px var(--p3-glow); }

.btn-outline-primary {
    color: var(--p3-blue-bright);
    border-color: rgba(102, 194, 255, 0.70);
}
.btn-outline-primary:hover,
.btn-check:checked + .btn-outline-primary {
    background: linear-gradient(135deg, var(--p3-blue-dark), var(--p3-blue));
    border-color: var(--p3-blue);
    color: #fff;
    box-shadow: 0 4px 18px var(--p3-glow);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: rgba(12, 48, 130, 0.72);
    border-color: rgba(150, 215, 255, 0.28);
    color: var(--p3-silver);
}
[data-bs-theme="dark"] .form-control::placeholder {
    color: rgba(168, 220, 255, 0.65);
}

.btn-success:hover  { box-shadow: 0 6px 20px rgba(16,185,129,.50); }
.btn-outline-danger:hover { box-shadow: 0 6px 16px rgba(244,63,94,.35); }
.btn-outline-success:hover { box-shadow: 0 6px 16px rgba(16,185,129,.35); }

/* ================================================================
   TABS
   ================================================================ */
.glass-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    font-weight: 500;
    font-size: .88rem;
    color: inherit;
    opacity: .6;
    padding: .6rem 1rem;
    transition: opacity var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.glass-tabs .nav-link:hover  { opacity: 1; }
.glass-tabs .nav-link.active {
    opacity: 1;
    color: var(--c-cyan);
    border-bottom-color: var(--c-cyan);
    background: transparent;
}
[data-bs-theme="light"] .glass-tabs .nav-link.active {
    color: var(--c-indigo);
    border-bottom-color: var(--c-indigo);
}

.glass-tab-content {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-top: none;
    transition: background var(--t-slow);
}

/* ================================================================
   RESULT BOX
   ================================================================ */
.result-box {
    background: rgba(16,185,129,.08);
    border: 1px solid rgba(16,185,129,.22);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.formula-box {
    background: rgba(12, 48, 130, 0.55);
    border: 1px solid rgba(150, 215, 255, 0.25);
    border-radius: var(--radius-md);
    color: var(--p3-blue-bright);
    font-size: .82rem;
    padding: .6rem 1rem;
    word-break: break-all;
}
[data-bs-theme="light"] .formula-box {
    background: rgba(61, 158, 232, 0.08);
    color: #1a4a8c;
}

/* ================================================================
   HILL MATRIX INPUTS
   ================================================================ */
.matrix-input-grid {
    display: grid;
    gap: 8px;
}

.matrix-input-cell {
    width: 56px;
    height: 56px;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: .95rem;
    background: rgba(102, 194, 255, 0.12);
    border: 1px solid rgba(150, 215, 255, 0.30);
    color: inherit;
    border-radius: var(--radius-md);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    -moz-appearance: textfield;
}
.matrix-input-cell::-webkit-inner-spin-button,
.matrix-input-cell::-webkit-outer-spin-button { -webkit-appearance: none; }

[data-bs-theme="light"] .matrix-input-cell {
    background: rgba(77, 176, 255, 0.12);
    border-color: rgba(45, 125, 224, 0.35);
}
.matrix-input-cell:focus {
    outline: none;
    border-color: var(--p3-blue);
    box-shadow: 0 0 0 3px rgba(102, 194, 255, 0.40);
}

/* ================================================================
   VISUALIZATION — HILL MATRIX DISPLAY
   ================================================================ */
.matrix-bracket {
    display: inline-flex;
    flex-direction: column;
    border-left: 2.5px solid var(--p3-blue);
    border-right: 2.5px solid var(--p3-blue);
    padding: 4px 8px;
    gap: 2px;
}
.matrix-row { display: flex; }
.matrix-val {
    display: inline-block;
    min-width: 2.4rem;
    text-align: right;
    padding: 1px 3px;
    font-size: .82rem;
}
.hill-block {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.matrix-display {
    display: inline-flex;
    flex-direction: column;
    border-left: 3px solid var(--c-indigo);
    border-right: 3px solid var(--c-indigo);
    padding: 8px 14px;
    border-radius: 2px;
    font-family: 'JetBrains Mono', monospace;
    gap: 4px;
}
.matrix-display.border-warning {
    border-color: #f59e0b;
}
.matrix-row-display { display: flex; gap: 4px; }
.matrix-cell {
    display: inline-block;
    min-width: 2.8rem;
    text-align: right;
    padding: 2px 4px;
    font-size: 1rem;
    font-weight: 700;
}

/* ================================================================
   VISUALIZATION — PLAYFAIR GRID
   ================================================================ */
.playfair-grid {
    display: inline-block;
}
.playfair-row { display: flex; }
.playfair-cell {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--c-cyan);
    border: 1px solid rgba(102, 194, 255, 0.45);
    border-radius: 6px;
    margin: 2px;
    background: rgba(102, 194, 255, 0.16);
    transition: background var(--t-fast), transform var(--t-fast);
    cursor: default;
}
.playfair-cell:hover {
    background: rgba(102, 194, 255, 0.32);
    transform: scale(1.1);
    box-shadow: 0 0 12px var(--p3-glow);
}
[data-bs-theme="light"] .playfair-cell {
    color: var(--p3-blue-dark);
    border-color: rgba(37, 99, 184, 0.22);
    background: rgba(61, 158, 232, 0.06);
}
[data-bs-theme="light"] .playfair-cell:hover {
    background: rgba(61, 158, 232, 0.16);
}

/* ================================================================
   HISTORY TABLE
   ================================================================ */
.custom-table { background: transparent; }
.custom-table th {
    background: transparent;
    padding: .65rem .75rem;
    border-bottom: 1px solid var(--glass-border);
    font-size: .70rem;
    letter-spacing: .05em;
    white-space: nowrap;
}
.custom-table td {
    background: transparent;
    border-bottom: 1px solid rgba(102, 194, 255, 0.10);
    padding: .85rem .75rem;
    vertical-align: middle;
    transition: background var(--t-fast);
}
.custom-table tbody tr:hover td {
    background: rgba(102, 194, 255, 0.10);
}
[data-bs-theme="light"] .custom-table td {
    border-bottom-color: rgba(0,0,0,.04);
}
[data-bs-theme="light"] .custom-table tbody tr:hover td {
    background: rgba(61, 158, 232, 0.06);
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
.result-reveal {
    animation: slide-up .45s cubic-bezier(.16,1,.3,1) both;
}
@keyframes slide-up {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   FLASH MESSAGES / TOAST
   ================================================================ */
.flash-container {
    position: fixed;
    top: calc(var(--nav-height) + 12px);
    right: 16px;
    z-index: 1060;
    width: min(360px, calc(100vw - 32px));
}

.ag-toast {
    position: fixed;
    top: calc(var(--nav-height) + 12px);
    right: 16px;
    z-index: 9999;
    background: rgba(12, 48, 130, 0.96);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    color: #f1f5f9;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(14px);
    box-shadow: 0 4px 24px rgba(0,0,0,.45);
    border: 1px solid;
    min-width: 200px;
    max-width: calc(100vw - 32px);
    pointer-events: none;
    animation: toast-in .28s ease both;
    font-size: .88rem;
    font-weight: 500;
}
[data-bs-theme="light"] .ag-toast {
    background: rgba(255,255,255,.95);
    color: #1e293b;
    box-shadow: 0 4px 24px rgba(0,0,0,.15);
}
@keyframes toast-in  { from { transform: translateX(110%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toast-out { from { transform: translateX(0); opacity: 1; }    to { transform: translateX(110%); opacity: 0; } }

/* ================================================================
   EMPTY STATE
   ================================================================ */
.empty-state {
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ================================================================
   SCROLLBAR
   ================================================================ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(102, 194, 255, 0.45); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(102, 194, 255, 0.70); }
[data-bs-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(45, 125, 224, 0.40); }

/* ================================================================
   RESPONSIVE — MOBILE FIRST
   ================================================================ */

/* Small phones ≤ 360px */
@media (max-width: 360px) {
    .hero-title { font-size: 1.4rem; }
    .playfair-cell { width: 36px; height: 36px; font-size: .9rem; margin: 1px; }
    .matrix-input-cell { width: 46px; height: 46px; font-size: .82rem; }
    .matrix-cell { min-width: 2rem; font-size: .82rem; }
    .glass-card { border-radius: .75rem; }
}

/* Phones 360–575px */
@media (max-width: 575px) {
    body { font-size: .9rem; }

    .hero-title { font-size: 1.55rem; letter-spacing: -.03em; }
    .hero-subtitle { font-size: .82rem; }

    /* Stack form buttons vertically */
    #cryptoForm .d-flex.justify-content-end { justify-content: stretch !important; }
    #cryptoForm .d-flex.justify-content-end .btn { flex: 1; }

    /* Full-width mode buttons */
    .btn-group.w-100 .btn { font-size: .82rem; padding: .45rem .5rem; }

    /* Matrix cells smaller */
    .playfair-cell { width: 40px; height: 40px; font-size: .95rem; }
    .matrix-input-cell { width: 50px; height: 50px; }
    .matrix-val { min-width: 1.8rem; }

    /* Flash top snap full-width */
    .flash-container { right: 8px; left: 8px; width: auto; }
    .ag-toast { right: 8px; left: 8px; max-width: none; }

    /* History table horizontal scroll */
    .custom-table th,
    .custom-table td { padding: .55rem .5rem; font-size: .75rem; }

    /* Step detail table compact */
    .table-responsive table { font-size: .75rem; }

    /* Hill step visualization */
    .hill-block .d-flex { gap: .5rem !important; font-size: .72rem; }
    .matrix-display { padding: 5px 8px; }
    .matrix-cell { min-width: 2rem; font-size: .82rem; }
}

/* Tablets 576–767px */
@media (min-width: 576px) and (max-width: 767px) {
    .hero-title { font-size: 2rem; }
    .playfair-cell { width: 42px; height: 42px; }
}

/* Tablet / small laptop — disable card hover lift (touch device) */
@media (hover: none) {
    .glass-card:hover { transform: none; }
    .btn:hover:not(:disabled) { transform: none; }
    .playfair-cell:hover { transform: none; }
}

/* Larger screens ≥ 992px — slightly tighter spacing */
@media (min-width: 992px) {
    .hero-title { font-size: 2.7rem; }
}