/* ═══════════════════════════════════════════════
   THE ALGORITHM — Design System
   Retro Groovy Pop-Art / Comic-Book Theme
   ═══════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400;1,9..40,500&family=Fraunces:ital,opsz,wght@0,9..144,700;0,9..144,900;1,9..144,700;1,9..144,900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ── Tokens ── */
:root {
    --cream:  #FAF0DC;
    --black:  #1A0A00;
    --pink:   #FF4D8D;
    --green:  #4CAF50;
    --orange: #FF6B35;
    --yellow: #FFD600;
    --purple: #7B2FBE;
    --blue:   #1B98E0;
    --red:    #E63946;
    --white:  #FFFFFF;

    --gray-100: #f5f5f4;
    --gray-200: #e7e5e4;
    --gray-300: #d6d3d1;
    --gray-400: #a8a29e;
    --gray-500: #78716c;
    --gray-600: #57534e;
    --gray-700: #44403c;

    /* Borders & Shadows — tighter for product feel */
    --border:       2px solid var(--black);
    --border-thin:  1px solid var(--black);
    --border-thick: 3px solid var(--black);

    --shadow:        3px 3px 0 0 var(--black);
    --shadow-hover:  5px 5px 0 0 var(--black);
    --shadow-active: 1px 1px 0 0 var(--black);
    --shadow-lg:     6px 6px 0 0 var(--black);
    --shadow-xl:     8px 8px 0 0 var(--black);

    /* Radii */
    --r-pill: 999px;
    --r-card: 14px;
    --r-sm:   8px;
    --r-lg:   22px;
    --r-xl:   32px;

    /* Typography */
    --font-heading: 'Fraunces', Georgia, serif;
    --font-body:    'DM Sans', system-ui, sans-serif;
    --font-mono:    'Space Grotesk', monospace;
}

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

html { font-size: 14.5px; scroll-behavior: smooth; }

body {
    background: var(--cream);
    color: var(--black);
    font-family: var(--font-body);
    font-weight: 500;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* Wave dividers between sections */
.wave-divider {
    display: block;
    width: 100%;
    height: 40px;
    pointer-events: none;
}
a { color: inherit; }
button { cursor: pointer; font-family: inherit; }

/* ── Typography — tighter, more refined ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 900;
    color: var(--black);
    letter-spacing: -0.025em;
    line-height: 1.08;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

.font-heading       { font-family: var(--font-heading); font-weight: 700; }
.font-heading-black  { font-family: var(--font-heading); font-weight: 900; }
.font-heading-italic { font-family: var(--font-heading); font-weight: 900; font-style: italic; }
.font-body           { font-family: var(--font-body); }
.font-mono           { font-family: var(--font-mono); }

/* ── Layout Utilities ── */
.container {
    width: 100%;
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-py   { padding-top: 4rem; padding-bottom: 4rem; }
.text-center  { text-align: center; }
.relative     { position: relative; }
.hidden       { display: none !important; }
.sr-only      { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-center   { justify-content: center; }
.justify-between  { justify-content: space-between; }
.gap-2  { gap: 0.5rem; }
.gap-3  { gap: 0.75rem; }
.gap-4  { gap: 1rem; }
.gap-6  { gap: 1.5rem; }
.gap-8  { gap: 2rem; }
.flex-wrap { flex-wrap: wrap; }
.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.w-full   { width: 100%; }
.min-h-screen { min-height: 100vh; }
.mx-auto  { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-auto { margin-top: auto; }
.m-0 { margin: 0; }
.p-0 { padding: 0; }
.inline-block { display: inline-block; }
.block { display: block; }
.overflow-hidden { overflow: hidden; }
.grid { display: grid; }
.grid-2 { grid-template-columns: 1fr 1fr; }

/* ── Comic-Book Halftone Dot Background + Paper Grain ── */
.comic-dots::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle, var(--black) 0.4px, transparent 0.4px);
    background-size: 12px 12px;
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}
.comic-dots::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

/* ═══════════════════════════════════════
   COMPONENTS
   ═══════════════════════════════════════ */

/* ── Nav ── */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 52px;
    background: var(--black);
    border-bottom: 2px solid var(--yellow);
    display: flex;
    align-items: center;
}
.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-logo {
    font-family: var(--font-heading);
    font-weight: 900;
    color: var(--yellow);
    font-size: 1.05rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    letter-spacing: -0.02em;
    transition: opacity 0.2s;
    line-height: 1.15;
}
.nav-logo:hover { opacity: 0.85; }
.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.nav-link {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.72rem;
    color: var(--white);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.2s;
    position: relative;
}
.nav-link:hover { color: var(--yellow); }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--yellow);
    transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    padding: 0.6rem 1.5rem;
    border: var(--border);
    border-radius: var(--r-pill);
    box-shadow: var(--shadow);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
    position: relative;
    line-height: 1.2;
}
.btn:hover {
    box-shadow: var(--shadow-hover);
    transform: translate(-1px, -1px);
}
.btn:active {
    box-shadow: var(--shadow-active);
    transform: translate(1px, 1px);
}

.btn--primary { background: var(--pink);   color: var(--white); }
.btn--dark    { background: var(--black);  color: var(--white); }
.btn--yellow  { background: var(--yellow); color: var(--black); }
.btn--green   { background: var(--green);  color: var(--white); }
.btn--purple  { background: var(--purple); color: var(--white); }
.btn--blue    { background: var(--blue);   color: var(--white); }
.btn--white   { background: var(--white);  color: var(--black); }
.btn--full    { width: 100%; }
.btn--lg {
    font-size: 0.95rem;
    padding: 0.85rem 2rem;
}

/* ── Pill Labels ── */
.pill-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 900;
    font-style: italic;
    font-size: 0.7rem;
    text-transform: lowercase;
    padding: 0.22rem 0.8rem;
    border: var(--border-thin);
    border-radius: var(--r-pill);
    box-shadow: 1.5px 1.5px 0 0 var(--black);
    line-height: 1.3;
    white-space: nowrap;
    letter-spacing: 0.02em;
}
.pill-label--pink   { background: var(--pink);   color: var(--white); }
.pill-label--green  { background: var(--green);  color: var(--white); }
.pill-label--yellow { background: var(--yellow); color: var(--black); }
.pill-label--purple { background: var(--purple); color: var(--white); }
.pill-label--orange { background: var(--orange); color: var(--white); }
.pill-label--blue   { background: var(--blue);   color: var(--white); }
.pill-label--white  { background: var(--white);  color: var(--black); }
.pill-label--red    { background: var(--red);     color: var(--white); }

/* ── Cards ── */
.card {
    background: var(--white);
    border: var(--border);
    border-radius: var(--r-card);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}
.card--flat { box-shadow: none; }
.card--flat:hover { box-shadow: none; transform: none; }
.card--lg {
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}
.card--xl {
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-xl);
    padding: 2.25rem;
}

/* Pop-art rotated cards */
.rotate-left  { transform: rotate(-2deg); }
.rotate-right { transform: rotate(2deg); }
.rotate-left:hover,
.rotate-right:hover { transform: rotate(0deg) translateY(-3px); }

/* ── Speech Bubble Card (comic style) ── */
.speech-bubble {
    position: relative;
    background: var(--white);
    border: var(--border-thick);
    border-radius: var(--r-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}
.speech-bubble::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 32px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 16px solid var(--black);
}
.speech-bubble::before {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 35px;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 12px solid var(--white);
    z-index: 1;
}

/* ── Lightning Bolt Decoration ── */
.lightning {
    display: inline-block;
    font-size: 2rem;
    filter: drop-shadow(2px 2px 0 var(--black));
    animation: lightning-flash 3s ease-in-out infinite;
}
@keyframes lightning-flash {
    0%, 90%, 100% { opacity: 1; }
    95% { opacity: 0.3; }
}

/* ── Form Inputs ── */
.field-input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.55rem 0.75rem;
    background: var(--cream);
    border: var(--border);
    border-radius: var(--r-sm);
    color: var(--black);
    outline: none;
    transition: box-shadow 0.2s ease, background 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}
.field-input:focus {
    box-shadow: 2px 2px 0 0 var(--purple);
    background: var(--white);
}
.field-input::placeholder {
    color: var(--gray-400);
    font-weight: 500;
}

select.field-input {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231A0A00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

/* ── Custom Dropdown (replaces native <select>) ── */
.custom-select {
    position: relative;
    width: 100%;
}
.custom-select-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.55rem 0.75rem;
    background: var(--cream);
    border: var(--border);
    border-radius: var(--r-sm);
    color: var(--black);
    cursor: pointer;
    outline: none;
    transition: box-shadow 0.2s ease, background 0.2s ease;
    -webkit-user-select: none;
    user-select: none;
}
.custom-select-trigger:hover {
    background: var(--white);
}
.custom-select-trigger:focus,
.custom-select.open .custom-select-trigger {
    box-shadow: 2px 2px 0 0 var(--purple);
    background: var(--white);
}
.custom-select-arrow {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
    margin-left: 0.4rem;
}
.custom-select.open .custom-select-arrow {
    transform: rotate(180deg);
}
.custom-select-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--white);
    border: var(--border-thick);
    border-radius: var(--r-sm);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px) scaleY(0.95);
    transform-origin: top center;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.custom-select.open .custom-select-options {
    opacity: 1;
    transform: translateY(0) scaleY(1);
    pointer-events: auto;
}
.custom-select-option {
    padding: 0.5rem 0.85rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--black);
    cursor: pointer;
    transition: background 0.15s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.custom-select-option:hover {
    background: var(--cream);
}
.custom-select-option.selected {
    background: var(--yellow);
    font-weight: 700;
}
.custom-select-option:not(:last-child) {
    border-bottom: 1.5px solid var(--gray-200);
}

textarea.field-input { resize: vertical; min-height: 60px; }

/* ── Dropzone ── */
.dropzone {
    border: 2px dashed var(--purple);
    background: var(--cream);
    border-radius: var(--r-card);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.dropzone:hover,
.dropzone.drag-over {
    background: var(--yellow);
    border-style: solid;
    border-color: var(--black);
}

/* ── Toggle ── */
.toggle-label {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    cursor: pointer;
}
.toggle-track {
    position: absolute;
    inset: 0;
    background: var(--gray-200);
    border: var(--border-thin);
    border-radius: var(--r-pill);
    transition: background 0.25s ease;
}
.toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: var(--white);
    border: var(--border-thin);
    border-radius: 50%;
    transition: transform 0.25s ease;
    box-shadow: 1px 1px 0 0 var(--black);
}
.toggle:checked + .toggle-track {
    background: var(--green);
}
.toggle:checked + .toggle-track::after {
    transform: translateX(22px);
}

/* ── Wave Dividers ── */
.wave-divider {
    display: block;
    width: 100%;
    height: 64px;
    overflow: visible;
}
.wave-divider--flip { transform: scaleY(-1); }
.wave-divider path { fill: currentColor; }

/* ── Cloud Divider (comic-book style) ── */
.cloud-divider {
    width: 100%;
    height: 50px;
    background:
        radial-gradient(circle at 10% 100%, var(--white) 20px, transparent 20px),
        radial-gradient(circle at 25% 100%, var(--white) 25px, transparent 25px),
        radial-gradient(circle at 40% 100%, var(--white) 20px, transparent 20px),
        radial-gradient(circle at 55% 100%, var(--white) 28px, transparent 28px),
        radial-gradient(circle at 70% 100%, var(--white) 22px, transparent 22px),
        radial-gradient(circle at 85% 100%, var(--white) 25px, transparent 25px),
        radial-gradient(circle at 100% 100%, var(--white) 18px, transparent 18px);
    background-repeat: no-repeat;
}

/* ── Marquee ── */
.marquee-strip {
    background: var(--yellow);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
    overflow: hidden;
    white-space: nowrap;
    padding: 0.5rem 0;
}
.marquee-content {
    display: inline-flex;
    animation: marquee-scroll 20s linear infinite;
}
.marquee-item {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.9rem;
    color: var(--black);
    padding: 0 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.marquee-dot {
    color: var(--pink);
    padding: 0 0.4rem;
    font-size: 0.7rem;
}

@keyframes marquee-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Modals ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(26, 10, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.modal-backdrop.active {
    opacity: 1;
    pointer-events: all;
}
.modal-content {
    background: var(--white);
    border: var(--border-thick);
    border-radius: var(--r-lg);
    padding: 2rem;
    max-width: 460px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.95) rotate(-1deg);
    transition: transform 0.25s ease;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-backdrop.active .modal-content {
    transform: scale(1) rotate(0deg);
}
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: var(--border);
    background: var(--yellow);
    color: var(--black);
    font-size: 1.5rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
    padding: 0;
}
.modal-close:hover { background: var(--pink); color: var(--white); }

/* ── Progress Bar ── */
.progress-container {
    width: 100%;
    height: 1.25rem;
    background: var(--white);
    border: var(--border);
    border-radius: var(--r-pill);
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--green), var(--blue));
    border-radius: var(--r-pill);
    transition: width 0.3s ease;
}

/* ── Error Box ── */
.error-box {
    background: #fef2f2;
    border: 2px solid var(--red);
    border-radius: var(--r-sm);
    padding: 1rem 1.25rem;
    color: var(--red);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 3px 3px 0 0 var(--red);
}

/* ── Skeleton / Progressive Reveal ── */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border: none !important;
    box-shadow: none !important;
    min-height: 120px;
    border-radius: var(--r-card);
}
.skeleton * { visibility: hidden; }

.loaded {
    background: var(--white);
    border: var(--border);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ── Scroll Progress (Dashboard) ── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--pink);
    z-index: 150;
    width: 0;
    transition: width 0.15s ease;
    border-radius: 0 var(--r-pill) var(--r-pill) 0;
}

/* ── Loading Overlay ── */
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--purple);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}
.loading-overlay .brain-emoji {
    font-size: 5rem;
    animation: pulse 1.2s ease-in-out infinite;
    filter: drop-shadow(4px 4px 0 var(--black));
}
.loading-overlay h2 {
    font-family: var(--font-heading);
    font-weight: 900;
    font-style: italic;
    color: var(--white);
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-shadow: 4px 4px 0 var(--black);
    margin-top: 1.5rem;
}
.loading-overlay p {
    color: rgba(255,255,255,0.8);
    margin-top: 1rem;
    font-weight: 500;
    max-width: 400px;
}

/* ── FAQ / Accordion ── */
.faq-item {
    border: var(--border);
    border-radius: var(--r-sm);
    overflow: hidden;
    box-shadow: 2px 2px 0 0 var(--black);
}
.faq-item + .faq-item { margin-top: 0.6rem; }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    background: var(--white);
    border: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--black);
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
}
.faq-question:hover { background: var(--cream); }
.faq-question .faq-icon {
    font-size: 1.1rem;
    font-weight: 900;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
    display: none;
    padding: 0 1rem 1rem;
    background: var(--white);
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}
.faq-item.open .faq-answer { display: block; }

/* ── Stat Cards (Dashboard) ── */
.stat-card {
    background: var(--white);
    border: var(--border-thick);
    border-radius: var(--r-card);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.2s ease;
}
.stat-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px) rotate(0deg) !important;
}
.stat-card__value {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2.5rem;
    color: var(--purple);
    line-height: 1;
    margin: 0.5rem 0 0.25rem;
}
.stat-card__label {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Insight Cards (Dashboard) ── */
.insight-card {
    background: var(--white);
    border: var(--border);
    border-radius: var(--r-card);
    box-shadow: var(--shadow);
    padding: 2rem;
}
.insight-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}
.insight-card p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ── Toast Notification ── */
.toast {
    background: var(--white);
    border: var(--border);
    border-radius: var(--r-sm);
    box-shadow: var(--shadow);
    padding: 0.875rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    pointer-events: all;
    animation: slide-in 0.3s ease;
}
@keyframes slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

/* ── Grid Utilities ── */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ═══════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════ */

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.15); }
}
@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-15px) rotate(2deg); }
}
@keyframes fade-in {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes pop-in {
    0%   { opacity: 0; transform: scale(0.8); }
    70%  { transform: scale(1.05); }
    100% { opacity: 1; transform: scale(1); }
}

.animate-float   { animation: float 6s ease-in-out infinite; }
.animate-fade-in { animation: fade-in 0.6s ease forwards; }
.animate-pop-in  { animation: pop-in 0.4s ease forwards; }
.animate-pulse   { animation: pulse 1.5s ease-in-out infinite; }

/* Dashboard body fade-in */
.dashboard-body {
    animation: fade-in 0.3s ease forwards;
}

/* ═══════════════════════════════════════
   RESPONSIVE — Comprehensive Breakpoints
   ═══════════════════════════════════════ */

/* Large desktop 1440+ */
@media (min-width: 1440px) {
    html { font-size: 15px; }
    .container { max-width: 1140px; }
}

/* Desktop 1024+ */
@media (min-width: 1024px) {
    .lg\:grid-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-4 { grid-template-columns: repeat(4, 1fr); }
    .container { padding: 0 2rem; }
}

/* Tablet landscape 768-1023 */
@media (max-width: 1023px) {
    html { font-size: 14px; }
    .section-py { padding-top: 3rem; padding-bottom: 3rem; }
    .card--xl { padding: 1.75rem; }
    .card--lg { padding: 1.5rem; }
}

/* Tablet portrait + mobile 768 */
@media (max-width: 767px) {
    html { font-size: 14.5px; }
    .section-py { padding-top: 2.5rem; padding-bottom: 2.5rem; }
    .grid-2 { grid-template-columns: 1fr; }
    .card--xl { padding: 1.25rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .btn--lg { font-size: 0.9rem; padding: 0.75rem 1.5rem; }
}

/* Small devices 640 */
@media (max-width: 639px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .nav-links { display: none; }
    .card--xl { padding: 1.15rem; }
    h1 { font-size: 1.85rem; }
    .speech-bubble { padding: 1.25rem; }
    .modal-content { padding: 1.5rem; }
}

/* Small mobile 480 */
@media (max-width: 480px) {
    html { font-size: 15px; }
    .container { padding: 0 1rem; }
    .section-py { padding-top: 2rem; padding-bottom: 2rem; }
    .btn { padding: 0.5rem 1rem; font-size: 0.72rem; }
    .btn--lg { padding: 0.7rem 1.25rem; font-size: 0.82rem; }
    .marquee-item { font-size: 0.75rem; padding: 0 0.75rem; }
    .faq-question { padding: 0.7rem 0.85rem; font-size: 0.82rem; }
}

/* Tiny mobile 360 */
@media (max-width: 360px) {
    html { font-size: 14.5px; }
    .pill-label { font-size: 0.65rem; padding: 0.2rem 0.6rem; }
}

/* Form responsive stacking */
@media (max-width: 767px) {
    #uploadForm {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
}

@media (min-width: 640px) {
    .sm\:grid-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:grid-3 { grid-template-columns: repeat(3, 1fr); }
}

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--r-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }

/* ── Selection ── */
::selection {
    background: var(--pink);
    color: var(--white);
}