/* ==========================================================================
   THE FISH WEBSITE - MODERN SCIENTIFIC RESPONSIVE DESIGN SYSTEM
   Dark / Light Theme, Unica One / Poppins Typography, Open Responsive Flow
   ========================================================================== */

/* --- 1. CSS Custom Properties & Design Tokens --- */
:root, [data-theme="dark"] {
    /* Brand Accent Colors */
    --dt-orange-start: #ea580c;
    --dt-orange-end: #ef4444;
    --dt-orange-glow: rgba(249, 115, 22, 0.25);
    --dt-podium-bg: #3d0f00;
    --dt-podium-border: rgba(249, 115, 22, 0.45);
    --dt-accent: #f97316;

    --zotas-cyan-start: #06b6d4;
    --zotas-cyan-end: #2563eb;
    --zotas-cyan-glow: rgba(6, 182, 212, 0.25);
    --zotas-podium-bg: #0b314a;
    --zotas-podium-border: rgba(6, 182, 212, 0.45);
    --zotas-accent: #38bdf8;

    --danioache-crimson-start: #f43f5e;
    --danioache-crimson-end: #be123c;
    --danioache-crimson-glow: rgba(244, 63, 94, 0.25);
    --danioache-podium-bg: #4b0a0a;
    --danioache-podium-border: rgba(244, 63, 94, 0.45);
    --danioache-accent: #f43f5e;

    /* Background & Surfaces (Option 5: Cobalt & Émeraude Subaquatique) */
    --bg-base: #051c22;
    --bg-mesh-1: rgba(37, 99, 235, 0.28);
    --bg-mesh-2: rgba(16, 185, 129, 0.18);
    --bg-mesh-3: rgba(15, 23, 42, 0.85);
    --bg-linear-start: #0e2750;
    --bg-linear-mid: #092c3a;
    --bg-linear-end: #051c22;

    --surface-hover: rgba(255, 255, 255, 0.035);
    --border-hover: rgba(255, 255, 255, 0.1);
    --divider-color: rgba(255, 255, 255, 0.07);

    --text-primary: #ffffff;
    --text-secondary: rgba(226, 232, 240, 0.88);
    --text-muted: rgba(148, 163, 184, 0.8);
    --subtitle-color: rgba(147, 197, 253, 0.95);
    --accent-cyan: #38bdf8;
    --accent-blue: #60a5fa;

    --fish-opacity-base: 0.45;
    --bubble-bg: radial-gradient(circle at 30% 30%, rgba(224, 242, 254, 0.75) 0%, rgba(56, 189, 248, 0.25) 60%, rgba(14, 165, 233, 0.05) 100%);
    --bubble-border: rgba(224, 242, 254, 0.35);
    --bubble-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.45), 0 0 8px rgba(56, 189, 248, 0.15);

    /* Seamless Celestial Morph Theme Toggle Tokens (Dark Mode) */
    --toggle-color: #38bdf8;
    --toggle-halo: rgba(56, 189, 248, 0.3);
    --morph-rot: -12deg;
    --morph-scale: 1.25;
    --rays-rot: 90deg;
    --rays-scale: 0;
    --rays-op: 0;
    --bite-cx: 23px;
    --bite-cy: 11px;
}

[data-theme="light"] {
    /* Brand Accent Colors for Light Mode (Deep jewel podiums for maximum fish SVG contrast) */
    --dt-orange-start: #ea580c;
    --dt-orange-end: #ef4444;
    --dt-orange-glow: rgba(249, 115, 22, 0.2);
    --dt-podium-bg: #2d0b00;
    --dt-podium-border: rgba(234, 88, 12, 0.6);
    --dt-accent: #ea580c;

    --zotas-cyan-start: #0284c7;
    --zotas-cyan-end: #2563eb;
    --zotas-cyan-glow: rgba(6, 182, 212, 0.2);
    --zotas-podium-bg: #072238;
    --zotas-podium-border: rgba(2, 132, 199, 0.6);
    --zotas-accent: #0284c7;

    --danioache-crimson-start: #e11d48;
    --danioache-crimson-end: #9f1239;
    --danioache-crimson-glow: rgba(244, 63, 94, 0.2);
    --danioache-podium-bg: #35050c;
    --danioache-podium-border: rgba(225, 29, 72, 0.6);
    --danioache-accent: #e11d48;

    /* Clean Scientific Light Mode Background (Option 6: Diagonale Nette 135°) */
    --bg-base: #ecf4fd;
    --bg-mesh-1: rgba(14, 165, 233, 0.12);
    --bg-mesh-2: transparent;
    --bg-mesh-3: transparent;
    --bg-linear-start: #ecf4fd;
    --bg-linear-mid: #def2f4;
    --bg-linear-end: #d5ecef;

    --surface-hover: rgba(255, 255, 255, 0.92);
    --border-hover: rgba(15, 23, 42, 0.1);
    --divider-color: rgba(15, 23, 42, 0.08);

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --subtitle-color: #0369a1;
    --accent-cyan: #0284c7;
    --accent-blue: #2563eb;

    --fish-opacity-base: 0.28;
    --bubble-bg: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.55) 20%, rgba(186, 230, 253, 0.22) 50%, rgba(56, 189, 248, 0.10) 75%, rgba(14, 165, 233, 0.18) 100%);
    --bubble-border: rgba(255, 255, 255, 0.85);
    --bubble-shadow: inset 0 1.5px 3px rgba(255, 255, 255, 0.85), inset 0 -2px 4px rgba(14, 165, 233, 0.15), 0 2px 8px rgba(14, 165, 233, 0.12);

    /* Seamless Celestial Morph Theme Toggle Tokens (Light Mode) */
    --toggle-color: #f59e0b;
    --toggle-halo: rgba(245, 158, 11, 0.3);
    --morph-rot: 0deg;
    --morph-scale: 1;
    --rays-rot: 0deg;
    --rays-scale: 1;
    --rays-op: 1;
    --bite-cx: 36px;
    --bite-cy: 4px;
}

/* Typography Tokens */
:root {
    --font-hero: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-apps: 'Unica One', 'Raleway', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* One shared clock for dark/light theme interpolation. */
    --theme-transition-duration: 800ms;
    --theme-transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ThemeManager adds this class for the complete interpolation window.  The
   rule intentionally covers pseudo-elements and components that otherwise had
   no color transition, keeping the background, text, borders and icons in
   lockstep across every modern page (including the admin console). */
html.theme-transitioning,
html.theme-transitioning body,
html.theme-transitioning body *:not(.theme-toggle-btn, .theme-toggle-btn *),
html.theme-transitioning body *:not(.theme-toggle-btn, .theme-toggle-btn *)::before,
html.theme-transitioning body *:not(.theme-toggle-btn, .theme-toggle-btn *)::after {
    transition-property: color, background, background-color, border-color,
        box-shadow, fill, stroke, filter, opacity, text-shadow, outline-color,
        caret-color !important;
    transition-duration: var(--theme-transition-duration) !important;
    transition-timing-function: var(--theme-transition-easing) !important;
}

/* --- 2. CSS Reset & Base Rules --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: auto;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* ---------- Lenis smooth scroll (identical to BioDevs) ---------- */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-smooth iframe { pointer-events: none; }

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.8s ease-in-out, color 0.8s ease-in-out;
}

img, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

/* Admin-only shortcut shared by the standalone portal and app templates. */
.admin-secret-btn {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--app-accent, var(--accent-cyan, #38bdf8));
    background: color-mix(in srgb, var(--app-accent, #38bdf8) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--app-accent, #38bdf8) 38%, transparent);
    box-shadow: 0 0 14px color-mix(in srgb, var(--app-accent, #38bdf8) 18%, transparent);
    transition: color var(--theme-transition-duration) var(--theme-transition-easing),
                background-color var(--theme-transition-duration) var(--theme-transition-easing),
                border-color var(--theme-transition-duration) var(--theme-transition-easing),
                box-shadow var(--theme-transition-duration) var(--theme-transition-easing),
                transform 0.2s ease;
}

.admin-secret-btn:hover,
.admin-secret-btn:focus-visible {
    color: var(--text-primary, #ffffff);
    background: var(--app-accent, #38bdf8);
    border-color: var(--app-accent, #38bdf8);
    box-shadow: 0 0 20px color-mix(in srgb, var(--app-accent, #38bdf8) 42%, transparent);
    transform: translateY(-1px) scale(1.06);
    outline: none;
}

:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 4px;
    border-radius: 4px;
}

/* --- 3. Living Aquarium Aquatic Background --- */
.aquarium-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    width: 100%;
    min-height: 100%;
}

/* Dual-layer animated background gradient (Smooth cross-fade on theme toggle) */
.mesh-gradient {
    position: absolute;
    inset: 0;
    z-index: 0;
    isolation: isolate;
    background-color: var(--bg-base);
    transition: background-color 0.8s ease-in-out;
}

.mesh-gradient::before,
.mesh-gradient::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    transition: opacity 0.8s ease-in-out;
    will-change: opacity;
}

/* Layer 1: Dark Mode Gradient (Option 5: Cobalt Atlantique & Émeraude Subaquatique) */
.mesh-gradient::before {
    background:
        radial-gradient(ellipse 85% 65% at 55% -10%, rgba(37, 99, 235, 0.28) 0%, transparent 65%),
        radial-gradient(circle 800px at 85% 65%, rgba(16, 185, 129, 0.18) 0%, transparent 75%),
        radial-gradient(circle 850px at 15% 45%, rgba(15, 23, 42, 0.85) 0%, transparent 80%),
        linear-gradient(155deg, #0e2750 0%, #092c3a 55%, #051c22 100%);
    opacity: 1;
    z-index: 1;
}

/* Layer 2: Light Mode Gradient (Option 6: Diagonale Nette 135°) */
.mesh-gradient::after {
    background:
        radial-gradient(ellipse 100% 70% at 50% -20%, rgba(14, 165, 233, 0.12) 0%, transparent 60%),
        linear-gradient(135deg, #ecf4fd 0%, #def2f4 50%, #d5ecef 100%);
    opacity: 0;
    z-index: 2;
}

[data-theme="light"] .mesh-gradient::before {
    opacity: 0;
}

[data-theme="light"] .mesh-gradient::after {
    opacity: 1;
}

/* Surface shimmer without horizontal harsh borderline */
.surface-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 90px;
    background: linear-gradient(to bottom, rgba(56, 189, 248, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.fish-canvas-container,
.bubble-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.fish-canvas-container {
    z-index: 1;
}

.bubble-field {
    z-index: 2;
}

/* --- Swimming Fish Styling (Smooth Glide & Ocean Wave) --- */
.swimmer {
    position: absolute;
    left: -9rem;
    width: calc(var(--size) * var(--fish-scale, 1));
    opacity: var(--opacity);
    filter: blur(var(--blur));
    animation: swim-right var(--duration) linear var(--delay) infinite;
    will-change: transform;
    pointer-events: none;
    transition: top 0.4s ease-out;
}

.swimmer--left {
    right: -9rem;
    left: auto;
    animation-name: swim-left;
}

.swimmer__motion {
    display: block;
    animation: fish-wave-right var(--wave-duration) ease-in-out var(--wave-delay) infinite;
    will-change: transform;
}

.swimmer--left .swimmer__motion {
    animation-name: fish-wave-left;
}

.swimmer img {
    display: block;
    width: 100%;
    height: auto;
    transform: scaleX(var(--direction));
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.25));
}

@keyframes swim-right {
    from { transform: translate3d(-12vw, 0, 0); }
    to { transform: translate3d(125vw, 0, 0); }
}

@keyframes swim-left {
    from { transform: translate3d(12vw, 0, 0); }
    to { transform: translate3d(-125vw, 0, 0); }
}

/* Wave pitch matches direction: heads tilt up on rise, down on descent */
@keyframes fish-wave-right {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-0.9rem) rotate(-1.5deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(0.9rem) rotate(1.5deg); }
}

@keyframes fish-wave-left {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-0.9rem) rotate(1.5deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(0.9rem) rotate(-1.5deg); }
}

/* --- Ambient Bubbles (Smaller = Blurrier for Depth Effect) --- */
.bubble-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.bubble-disc {
    position: absolute;
    border-radius: 50%;
    background: var(--bubble-bg);
    border: 1px solid var(--bubble-border);
    box-shadow: var(--bubble-shadow);
    animation: bubble-float 18s linear infinite;
    pointer-events: none;
    filter: blur(var(--bubble-blur, 0px));
    transition: border-color 0.8s ease-in-out, box-shadow 0.8s ease-in-out;
}

@keyframes bubble-float {
    0% {
        transform: translate3d(0, 105vh, 0) scale(0.7);
        opacity: 0;
    }
    12% {
        opacity: var(--bubble-opacity, 0.6);
    }
    85% {
        opacity: var(--bubble-opacity, 0.6);
    }
    100% {
        transform: translate3d(20px, -10vh, 0) scale(1.05);
        opacity: 0;
    }
}

/* --- 4. Top Navigation Bar (Theme Toggle - The Seamless Celestial Morph) --- */
.top-nav-bar {
    position: fixed;
    top: 1.25rem;
    right: 1.5rem;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.theme-toggle-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    outline: none;
    border-radius: 50%;
    color: var(--toggle-color);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.theme-toggle-btn:hover {
    transform: scale(1.15);
}

.theme-toggle-btn:active {
    transform: scale(0.92);
}

/* Ambient Radial Glow Aura on Hover */
.theme-toggle-btn .tbtn-halo {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--toggle-halo) 0%, transparent 70%);
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.theme-toggle-btn:hover .tbtn-halo {
    opacity: 1;
    transform: scale(1);
}

/* SVG Morph Icon (Seamless Celestial Morph) */
.tbtn-svg-morph {
    width: 28px;
    height: 28px;
    overflow: visible;
    transform-origin: 16px 16px;
    transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Central Solar Disc / Moon Core */
.tbtn-svg-morph .morph-core {
    transform-origin: 16px 16px;
    transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1),
                fill 0.55s ease !important;
}

/* Mask Moon Bite that carves the crescent */
.tbtn-svg-morph .mask-moon-bite {
    transform-origin: 23px 11px;
    transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* 8 Radiant Solar Rays */
.tbtn-svg-morph .morph-rays {
    stroke-width: 2.2;
    stroke-linecap: round;
    transform-origin: 16px 16px;
    transition: transform 0.75s cubic-bezier(0.34, 1.45, 0.64, 1),
                opacity 0.48s ease,
                stroke 0.55s ease !important;
}

/* Dark Mode State: Crescent Moon (Default) */
.tbtn-svg-morph,
[data-theme="dark"] .tbtn-svg-morph {
    transform: rotate(-14deg);
}
.tbtn-svg-morph .morph-core,
[data-theme="dark"] .tbtn-svg-morph .morph-core {
    transform: scale(1.24);
    fill: #38bdf8;
}
.tbtn-svg-morph .mask-moon-bite,
[data-theme="dark"] .tbtn-svg-morph .mask-moon-bite {
    transform: translate(0px, 0px);
}
.tbtn-svg-morph .morph-rays,
[data-theme="dark"] .tbtn-svg-morph .morph-rays {
    transform: rotate(90deg) scale(0);
    opacity: 0;
    stroke: #38bdf8;
}

/* Light Mode State: Radiant Sun */
[data-theme="light"] .tbtn-svg-morph {
    transform: rotate(0deg);
}
[data-theme="light"] .tbtn-svg-morph .morph-core {
    transform: scale(1);
    fill: #f59e0b;
}
[data-theme="light"] .tbtn-svg-morph .mask-moon-bite {
    transform: translate(14px, -12px);
}
[data-theme="light"] .tbtn-svg-morph .morph-rays {
    transform: rotate(0deg) scale(1);
    opacity: 1;
    stroke: #f59e0b;
}

/* --- 5. Page Layout Structure --- */
.page-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: clamp(1.75rem, 3.5vh, 2.5rem) clamp(1.25rem, 3.5vw, 2.25rem) clamp(0.5rem, 1vh, 0.75rem);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- 6. Hero / Site Header (Compact, 2 Levels, Calm Editorial Balance) --- */
.hero-section {
    text-align: center;
    margin-bottom: clamp(1.25rem, 2.5vh, 2rem);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Main title: Space Grotesk 700 (Synchronized 0.8s ease-in-out text color transition: white to black) */
.main-title {
    font-family: var(--font-hero);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.15;
    margin-bottom: clamp(0.55rem, 1vw, 0.85rem);
    text-transform: uppercase;
    color: var(--text-primary);
    transition: color 0.8s ease-in-out;
    display: inline-block;
}

.hero-description {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.15vw, 1.1rem);
    color: var(--text-secondary);
    max-width: 66ch;
    line-height: 1.65;
    margin: 0 auto;
    transition: color 0.8s ease-in-out;
}

/* --- 7. Showcase Section (Fluid, Compact, Invisible-Until-Hover) --- */
.showcase-section {
    width: 100%;
    margin-bottom: clamp(0.75rem, 1.5vh, 1.25rem);
}

.showcase-stream {
    display: flex;
    flex-direction: column;
    gap: clamp(0.65rem, 1.6vh, 1.25rem);
}

.stream-divider {
    height: 1px;
    width: 100%;
    background: linear-gradient(90deg, transparent 0%, var(--divider-color) 20%, var(--divider-color) 80%, transparent 100%);
    margin: 0.35rem 0;
}

.header-divider {
    margin: 0 0 clamp(1.25rem, 2.5vh, 2rem) 0;
}

/* Application Showcase Row: almost invisible initially, blooms on hover */
.app-row {
    position: relative;
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: center;
    padding: clamp(1rem, 2vh, 1.5rem) clamp(1rem, 2vw, 1.75rem);
    border-radius: 1.15rem;
    background: transparent;
    border: 1px solid transparent;
    transition: background var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
    overflow: hidden;
}

.app-row:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

/* Ambient glow that reveals on hover */
.app-row-glow {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    filter: blur(35px);
    transition: opacity var(--transition-smooth);
    z-index: 0;
}

.app-row:hover .app-row-glow {
    opacity: 1;
}

.glow-daniotracker { background: radial-gradient(circle at 10% 50%, var(--dt-orange-glow) 0%, transparent 65%); }
.glow-zotas { background: radial-gradient(circle at 10% 50%, var(--zotas-cyan-glow) 0%, transparent 65%); }
.glow-danioache { background: radial-gradient(circle at 10% 50%, var(--danioache-crimson-glow) 0%, transparent 65%); }

/* Media Column (Old Rich Filled Podium + Large SVG Logo) */
.app-row-media {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-podium {
    position: relative;
    width: 5.25rem;
    height: 5.25rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    will-change: transform;
}

/* Deep filled background colors matching user request */
.icon-red {
    background: var(--dt-podium-bg);
    border: 1px solid var(--dt-podium-border);
}

.icon-blue {
    background: var(--zotas-podium-bg);
    border: 1px solid var(--zotas-podium-border);
}

.icon-crimson {
    background: var(--danioache-podium-bg);
    border: 1px solid var(--danioache-podium-border);
}

.icon-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.22), transparent 70%);
    pointer-events: none;
}

.icon-aura {
    position: absolute;
    inset: -8px;
    border-radius: inherit;
    filter: blur(14px);
    opacity: 0.2;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    z-index: -1;
}

.app-daniotracker .icon-aura { background: var(--dt-orange-start); }
.app-zotas .icon-aura { background: var(--zotas-cyan-start); }
.app-danioache .icon-aura { background: var(--danioache-crimson-start); }

/* Hover animations preserved from current version */
.app-row:hover .icon-podium {
    transform: scale(1.1) rotate(4deg);
}

.app-daniotracker:hover .icon-podium { box-shadow: 0 10px 28px rgba(249, 115, 22, 0.4); }
.app-zotas:hover .icon-podium { box-shadow: 0 10px 28px rgba(6, 182, 212, 0.4); }
.app-danioache:hover .icon-podium { box-shadow: 0 10px 28px rgba(244, 63, 94, 0.4); }

.app-row:hover .icon-aura {
    opacity: 0.65;
    transform: scale(1.18);
}

.app-daniotracker { --app-accent: var(--dt-accent); }
.app-zotas { --app-accent: var(--zotas-accent); }
.app-danioache { --app-accent: var(--danioache-accent); }

/* SVG Logo inside podium (large filling ratio + crisp drop shadow for contrast) */
.app-svg-icon {
    width: 3.85rem;
    height: 3.85rem;
    position: relative;
    z-index: 1;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.45));
    transition: transform var(--transition-normal);
}

.app-daniotracker .app-svg-icon {
    width: 3.45rem;
    height: 3.45rem;
}

.app-row:hover .app-svg-icon {
    transform: scale(1.06);
}

/* Body Column */
.app-row-body {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.app-heading-group {
    display: flex;
    align-items: center;
}

/* Application Titles in Unica One / Raleway */
.app-title {
    font-family: var(--font-apps);
    font-size: clamp(2rem, 3.8vw, 2.75rem);
    font-stretch: condensed;
    letter-spacing: 0.05em;
    line-height: 1.1;
    text-transform: uppercase;
    transition: background-position 2s ease-in-out;
}

/* Exact iconic gradient styles per app (Seamless periodic loops: start color == end color) */
.daniotracker-title {
    background-image: linear-gradient(to right, #f97316, #ef4444, #fdba74, #f97316);
    background-size: 200% auto;
    background-position: 80% 0;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-daniotracker:hover .daniotracker-title {
    background-position: 160% 0;
}

.zotas-title {
    background-image: linear-gradient(to right, #53d2fa, #5bacff, #93d7f1, #51b8ef, #53d2fa);
    background-size: 200% auto;
    background-position: 80% 0;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-zotas:hover .zotas-title {
    background-position: 160% 0;
}

.danioache-title {
    background-image: linear-gradient(to right, #ffe5e5, #ffb3b3, #e53935, #8b0000, #e53935, #ffb3b3, #ffe5e5);
    background-size: 200% auto;
    background-position: 80% 0;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-danioache:hover .danioache-title {
    background-position: 160% 0;
}

/* Explanatory Paragraph (User loved this text and font! Synchronized 0.8s transition) */
.app-description {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.15vw, 1.05rem);
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 68ch;
    transition: color 0.8s ease-in-out;
}

/* Action Links (Refined Editorial Style with Animated Underline & Gliding Arrow) */
.app-action {
    margin-top: clamp(0.6rem, 1.5vh, 1.1rem);
    display: flex;
}

.application__action {
    position: relative;
    width: fit-content;
    padding: 0.5rem 0 0.65rem;
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.1vw, 1.05rem);
    font-weight: 650;
    text-decoration: none;
    transition: color 0.8s ease-in-out;
}

.application__action span {
    transition: color 0.8s ease-in-out;
}

.application__action::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    border-radius: 1px;
    background: linear-gradient(90deg, var(--app-accent), color-mix(in srgb, var(--app-accent) 25%, transparent));
    transform-origin: left;
    transition: background 0.8s ease-in-out,
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.application__action svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: var(--app-accent);
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 0.8s ease-in-out,
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.application__action:hover,
.app-row:hover .application__action {
    color: var(--app-accent);
}

.application__action:hover::after,
.app-row:hover .application__action::after {
    transform: scaleX(0.45);
}

.application__action:hover svg,
.app-row:hover .application__action svg {
    transform: translateX(0.45rem);
}

/* --- 8. Site Footer (Synchronized transition & Animated Hover Links) --- */
.site-footer {
    margin-top: auto;
    padding-top: clamp(1.5rem, 2.5vh, 2.2rem);
    padding-bottom: clamp(3rem, 6vh, 4.5rem);
    text-align: center;
    border-top: 1px solid var(--divider-color);
    transition: border-color 0.8s ease-in-out;
}

.footer-credit {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1vw, 0.95rem);
    color: var(--text-muted);
    transition: color 0.8s ease-in-out;
}

.fas.fa-shield-alt {
    color: var(--app-accent, var(--zotas-accent, #10b981));
    transition: color 0.8s ease-in-out;
}

.footer-credit a {
    position: relative;
    display: inline-block;
    color: var(--app-accent, var(--zotas-accent, var(--subtitle-color)));
    font-weight: 600;
    text-decoration: none;
    transition: color 0.8s ease-in-out;
    padding: 0.05rem 0.15rem;
}

.footer-credit a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1.5px;
    border-radius: 1px;
    background: linear-gradient(90deg, var(--app-accent, var(--accent-cyan)), var(--accent-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: background 0.8s ease-in-out,
                transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-credit a:hover {
    color: var(--app-accent-strong, var(--zotas-accent, var(--accent-cyan)));
}

.footer-credit a:hover::after {
    transform: scaleX(1);
}

/* --- 9. Responsive Adjustments --- */

/* Tablets (<= 860px) */
@media (max-width: 860px) {
    :root {
        --fish-scale: 0.82;
    }

    .app-row {
        grid-template-columns: 110px 1fr;
        gap: 1.5rem;
        padding: 1.25rem 1rem;
    }

    .icon-podium {
        width: 4.75rem;
        height: 4.75rem;
    }

    .app-svg-icon {
        width: 3.4rem;
        height: 3.4rem;
    }

    .app-daniotracker .app-svg-icon {
        width: 3rem;
        height: 3rem;
    }
}

/* Mobile Screens (<= 640px) */
@media (max-width: 640px) {
    :root {
        --fish-scale: 0.72;
    }

    .top-nav-bar {
        top: 0.85rem;
        right: 1rem;
    }

    .theme-toggle-btn {
        width: 2.35rem;
        height: 2.35rem;
    }

    .page-wrapper {
        padding: 3.75rem 1rem 0.85rem;
    }

    .hero-section {
        margin-bottom: 1.5rem;
    }

    .main-title {
        font-size: clamp(1.75rem, 6.5vw, 2.25rem);
        line-height: 1.15;
        letter-spacing: 0.01em;
        text-align: center;
        margin-bottom: 0.5rem;
    }

    .hero-description {
        font-size: 0.925rem;
        line-height: 1.6;
    }

    /* Full-width stream row: no side card borders, seamless edge-to-edge glow */
    .app-row {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto auto;
        column-gap: 1.15rem;
        row-gap: 0.85rem;
        align-items: center;
        margin-left: -1rem;
        margin-right: -1rem;
        width: calc(100% + 2rem);
        padding: 1.25rem 1.15rem;
        border-radius: 0;
        border: none !important;
    }

    .app-row:hover,
    .app-row:active,
    .app-row.is-touched {
        background: var(--surface-hover);
        border: none !important;
        box-shadow: none;
    }

    .app-row-glow {
        border-radius: 0;
        inset: 0;
    }

    .app-row:hover .app-row-glow,
    .app-row:active .app-row-glow,
    .app-row.is-touched .app-row-glow {
        opacity: 0.95;
    }

    .app-daniotracker .app-row-glow {
        background: linear-gradient(90deg,
            color-mix(in srgb, var(--dt-orange-glow) 55%, transparent) 0%,
            color-mix(in srgb, var(--dt-orange-glow) 25%, transparent) 60%,
            color-mix(in srgb, var(--dt-orange-glow) 8%, transparent) 100%
        );
    }

    .app-zotas .app-row-glow {
        background: linear-gradient(90deg,
            color-mix(in srgb, var(--zotas-cyan-glow) 55%, transparent) 0%,
            color-mix(in srgb, var(--zotas-cyan-glow) 25%, transparent) 60%,
            color-mix(in srgb, var(--zotas-cyan-glow) 8%, transparent) 100%
        );
    }

    .app-danioache .app-row-glow {
        background: linear-gradient(90deg,
            color-mix(in srgb, var(--danioache-crimson-glow) 55%, transparent) 0%,
            color-mix(in srgb, var(--danioache-crimson-glow) 25%, transparent) 60%,
            color-mix(in srgb, var(--danioache-crimson-glow) 8%, transparent) 100%
        );
    }

    .app-row-media {
        grid-column: 1;
        grid-row: 1;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .app-row-body {
        display: contents;
    }

    .app-heading-group {
        grid-column: 2;
        grid-row: 1;
        align-self: center;
        display: flex;
        align-items: center;
    }

    .icon-podium {
        width: 3.85rem;
        height: 3.85rem;
        border-radius: 0.85rem;
    }

    .app-svg-icon {
        width: 2.75rem;
        height: 2.75rem;
    }

    .app-daniotracker .app-svg-icon {
        width: 2.45rem;
        height: 2.45rem;
    }

    .app-title {
        font-size: clamp(1.85rem, 6.2vw, 2.35rem);
        line-height: 1;
        margin: 0;
    }

    .app-description {
        grid-column: 1 / -1;
        grid-row: 2;
        font-size: 0.95rem;
        line-height: 1.6;
        margin-top: 0.15rem;
    }

    .app-action {
        grid-column: 1 / -1;
        grid-row: 3;
        width: 100%;
        margin-top: 0.2rem;
    }

    .application__action {
        font-size: 0.95rem;
    }

    .stream-divider {
        margin: 0.5rem 0;
    }

    .site-footer {
        padding-top: 1.75rem;
        padding-bottom: 2rem;
    }
}

/* Extra Small Screens (<= 480px) */
@media (max-width: 480px) {
    :root {
        --fish-scale: 0.65;
    }
}

/* ==========================================================================
   Clean Entrance Reveal Animation (Ease-in-out, Soft Unblur & Lateral Shift)
   Eliminates font-flicker: all elements start at opacity: 0 with a gentle 8px
   optical blur, smoothly focusing into razor-sharp clarity in a musical cadence.
   ========================================================================== */

.anim-element {
    opacity: 0;
    will-change: transform, opacity, filter;
}

/* Page Revealed State - Clean Ease-in-out Stagger with Soft Unblur */
.page-revealed .anim-nav {
    animation: clean-unblur-fade 0.65s ease-in-out 0.05s forwards;
}

.page-revealed .anim-hero-title {
    animation: clean-unblur-left 0.75s ease-in-out 0.10s forwards;
}

.page-revealed .anim-hero-desc {
    animation: clean-unblur-right 0.75s ease-in-out 0.20s forwards;
}

.page-revealed .anim-divider-header {
    animation: clean-unblur-fade 0.60s ease-in-out 0.25s forwards;
}

.page-revealed .anim-row-1 {
    animation: clean-unblur-left 0.75s ease-in-out 0.30s forwards;
}

.page-revealed .anim-divider-1 {
    animation: clean-unblur-fade 0.60s ease-in-out 0.38s forwards;
}

.page-revealed .anim-row-2 {
    animation: clean-unblur-right 0.75s ease-in-out 0.42s forwards;
}

.page-revealed .anim-divider-2 {
    animation: clean-unblur-fade 0.60s ease-in-out 0.50s forwards;
}

.page-revealed .anim-row-3 {
    animation: clean-unblur-left 0.75s ease-in-out 0.54s forwards;
}

.page-revealed .anim-footer {
    animation: clean-unblur-fade 0.65s ease-in-out 0.65s forwards;
}

@keyframes clean-unblur-left {
    0% {
        opacity: 0;
        filter: blur(8px);
        transform: translate3d(-20px, 0, 0);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translate3d(0, 0, 0);
    }
}

@keyframes clean-unblur-right {
    0% {
        opacity: 0;
        filter: blur(8px);
        transform: translate3d(20px, 0, 0);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translate3d(0, 0, 0);
    }
}

@keyframes clean-unblur-fade {
    0% {
        opacity: 0;
        filter: blur(6px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .anim-element {
        opacity: 1 !important;
        filter: none !important;
        transform: none !important;
        animation: none !important;
    }

    .bubble-disc, .fish-entity {
        display: none !important;
    }
}

/* Keep the author credit readable on the narrowest phones while preserving a
   comfortable gutter on both sides of the footer. */
@media (max-width: 380px) {
    .site-footer {
        padding-inline: 0.75rem;
    }

    .footer-credit {
        width: min(100%, 21rem);
        margin-inline: auto;
        font-size: 0.7rem;
        line-height: 1.45;
        text-wrap: balance;
    }

    .footer-credit a {
        padding-inline: 0.08rem;
    }
}

/* Footer Cookie & GDPR Transparency Tag */
.footer-compliance-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.cookie-compliance-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    color: var(--text-muted, #94a3b8);
    background: transparent;
    border: 0;
    padding: 0;
    border-radius: 0;
    transition: color 0.8s ease-in-out;
}

[data-theme="light"] .cookie-compliance-tag {
    background: transparent;
    border-color: transparent;
}

.cookie-compliance-tag i {
    color: var(--app-accent, var(--zotas-accent, #10b981));
    font-size: 0.82rem;
    transition: color 0.8s ease-in-out;
}

.cookie-compliance-tag a {
    color: var(--app-accent, var(--zotas-accent, #38bdf8));
    text-decoration: none;
    font-weight: 600;
    transition: color 0.8s ease-in-out;
}

.cookie-compliance-tag a:hover {
    text-decoration: underline;
    color: var(--app-accent-strong, var(--zotas-accent, #7dd3fc));
}