/* =============================================================
   Cogitator Landing Page — Redesign
   HUD command-center aesthetic, light theme, orange accent
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&display=swap');

:root {
    /* Surfaces */
    --bg:             #f8f7f5;
    --bg-alt:         #f0efec;
    --bg-tertiary:    #e3e2de;
    --panel-bg:       rgba(240, 239, 236, 0.65);
    --panel-bg-solid: #f0efec;

    /* Borders */
    --border:         #c8c6c1;
    --border-bracket: #56544f;

    /* Text */
    --text:           #242220;
    --text-sec:       #3a3835;
    --text-muted:     #56544f;
    --text-label:     #6b6966;
    --text-faint:     #a09d98;

    /* Accent — orange, matching the app's true identity */
    --accent:         #d4550a;
    --accent-bright:  #ea580c;
    --accent-glow:    rgba(234, 88, 12, 0.12);
    --accent-border:  rgba(234, 88, 12, 0.3);
    --accent-bg:      rgba(234, 88, 12, 0.06);

    /* Typography */
    --font-display:   "Rajdhani", system-ui, sans-serif;
    --font-body:      system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono:      ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Layout */
    --content-w:      820px;
    --wide-w:         1060px;
    --section-pad:    6rem 2rem;

    /* Dot grid */
    --dot-color:      #dddbd6;
    --dot-size:       1px;
    --dot-spacing:    24px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-sec);
    background: var(--bg);
}

::selection {
    background: rgba(234, 88, 12, 0.15);
    color: var(--text);
}

/* ===== Background graph ===== */
#bg-graph {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
}

/* ===== Layout helpers ===== */
.section-wide {
    max-width: var(--wide-w);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Nav ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(248, 247, 245, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--wide-w);
    margin: 0 auto;
    padding: 0.6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text);
}

.nav-logo span {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-logo-img {
    width: 26px;
    height: 26px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-link:hover {
    color: var(--accent);
}

/* ===== Accent rule ===== */
.accent-rule {
    width: 2.5rem;
    height: 2px;
    background: var(--accent);
    margin-top: 0.5rem;
}

.accent-rule-lg {
    width: 4rem;
    height: 3px;
}

.accent-rule-center {
    margin-left: auto;
    margin-right: auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.6rem 1.6rem;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-decoration: none;
    border: 1px solid var(--accent);
    cursor: pointer;
    position: relative;
    transition: background 0.15s, border-color 0.15s;
}


.btn:hover {
    background: var(--accent-bright);
    border-color: var(--accent-bright);
}

.btn-sm {
    padding: 0.35rem 0.9rem;
    font-size: 0.78rem;
}


.btn-lg {
    padding: 0.75rem 2.25rem;
    font-size: 0.95rem;
}

.ghost-link {
    font-family: var(--font-display);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2px;
    transition: color 0.15s, border-color 0.15s;
}

.ghost-link:hover {
    color: var(--accent);
    border-color: var(--accent-border);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 7rem 2rem 3rem;
    text-align: center;
}

.hero-content {
    max-width: var(--wide-w);
    margin: 0 auto;
}

.beta-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent-border);
    background: var(--accent-bg);
    padding: 0.15em 0.5em;
    border-radius: 2px;
    vertical-align: middle;
    margin-left: 0.4em;
}

.btn:has(.beta-badge) {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
}

.btn .beta-badge {
    font-size: 0.6rem;
    margin-left: 0;
    color: var(--accent);
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.4);
    display: inline-flex;
    align-items: center;
    line-height: 1;
    padding: 0.25em 0.5em;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6.5vw, 5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.hero .accent-rule {
    margin: 1rem auto 1.5rem;
}

.hero-hook {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 500;
    color: var(--accent);
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto 2rem;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.hero-platforms {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-faint);
}

/* Hero product screenshot */
.hero-visual {
    width: 100%;
    max-width: 680px;
    margin: 2.5rem auto 0;
}

.hero-screenshot {
    position: relative;
}

.hero-screenshot-img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== SECTIONS ===== */
.section {
    position: relative;
    z-index: 1;
    padding: var(--section-pad);
}

.section-memory,
.section-privacy {
}

/* Section header */
.section-header {
    margin-bottom: 2.5rem;
}

.section-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.3rem;
    opacity: 0.7;
}

.section-label {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text);
    line-height: 1.2;
}

/* Feature split (two-column asymmetric) */
.feature-split {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.feature-split.reverse {
    grid-template-columns: 1fr 1.2fr;
}

.feature-split.reverse > :first-child {
    order: 2;
}

.feature-split.reverse > :last-child {
    order: 1;
}

.feature-text p {
    margin-bottom: 0.85rem;
}

.feature-text p:last-child {
    margin-bottom: 0;
}

/* Lead paragraph */
.lead {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text);
    line-height: 1.5;
}

/* ===== HUD Panels ===== */
.panel {
    position: relative;
    border: 1px solid var(--border);
    background: var(--panel-bg);
    padding: 1.25rem;
}

.panel::before,
.panel::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    pointer-events: none;
}

.panel::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--border-bracket);
    border-left: 2px solid var(--border-bracket);
}

.panel::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--border-bracket);
    border-right: 2px solid var(--border-bracket);
}

.panel-accent {
    border-color: var(--accent-border);
    background: var(--accent-bg);
}

.panel-accent::before {
    border-color: var(--accent);
}

.panel-accent::after {
    border-color: var(--accent);
}

.panel p {
    margin-bottom: 0.6rem;
}

.panel p:last-child {
    margin-bottom: 0;
}

.panel-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

/* Memory graph interstitial */
.section-memory-graph {
    padding-top: 0;
    padding-bottom: 0;
}

.memory-graph-wrap {
    position: relative;
    height: 380px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    overflow: hidden;
}

#memory-graph {
    display: block;
    width: 100%;
    height: 100%;
}

.mg-tooltip {
    position: absolute;
    pointer-events: none;
    opacity: 0;
    background: var(--text);
    border: 1px solid var(--text-sec);
    padding: 8px 12px;
    font-family: var(--font-display);
    font-size: 13px;
    color: var(--bg);
    max-width: 220px;
    z-index: 50;
    transition: opacity 0.15s;
}

/* Pullquote */
.section-pullquote {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.pullquote {
    text-align: center;
    margin: 0;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.pullquote p {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 600;
    line-height: 1.4;
    color: var(--text);
    letter-spacing: 0.02em;
}

/* Trust grid (2x2) */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

/* Tools bar */
.tools-bar {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.tools-bar-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-faint);
    margin-bottom: 0.75rem;
}

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tool-tag {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border: 1px solid var(--border);
    background: var(--panel-bg);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    transition: border-color 0.15s, color 0.15s;
}

.tool-tag:hover {
    border-color: var(--accent-border);
    color: var(--accent);
}

/* Platform row */
.platform-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.platform-card p {
    font-size: 0.95rem;
}

/* ===== FOOTER ===== */
.footer {
    position: relative;
    z-index: 1;
    padding: 5rem 2rem 3rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-inner {
    max-width: var(--content-w);
    margin: 0 auto;
}

.footer-headline {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text);
}

.footer .accent-rule {
    margin-bottom: 1.5rem;
}

.footer-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.footer-cta {
    margin-bottom: 2.5rem;
}

.copyright {
    margin-top: 3rem;
    font-size: 0.8rem;
    color: var(--text-faint);
}
.made-with {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}
.heart-icon {
    width: 0.9em;
    height: 0.9em;
    color: var(--accent);
}

/* Contact form */
.contact-section {
    max-width: 480px;
    margin: 0 auto;
}

.contact-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-label);
    padding: 0;
    transition: color 0.15s;
}

.contact-toggle:hover {
    color: var(--accent);
}

.contact-toggle-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform 0.2s;
}

.contact-toggle[aria-expanded="true"] .contact-toggle-arrow {
    transform: rotate(180deg);
}

.contact-form-wrap {
    position: relative;
    margin-top: 1.5rem;
    text-align: left;
    border: 1px solid var(--border);
    background: var(--panel-bg);
    padding: 1.25rem;
}

.contact-form-wrap::before,
.contact-form-wrap::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    pointer-events: none;
}

.contact-form-wrap::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--border-bracket);
    border-left: 2px solid var(--border-bracket);
}

.contact-form-wrap::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--border-bracket);
    border-right: 2px solid var(--border-bracket);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-field label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-label);
    margin-bottom: 0.35rem;
}

.contact-field input,
.contact-field textarea {
    display: block;
    width: 100%;
    padding: 0.5rem 0.65rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    outline: none;
    transition: border-color 0.15s;
}

.contact-field input:focus,
.contact-field textarea:focus {
    border-color: var(--accent-border);
}

.contact-field textarea {
    resize: vertical;
    min-height: 80px;
}

.contact-submit {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-status {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.contact-status.success {
    color: #447a52;
}

.contact-status.error {
    color: var(--accent);
}

@media (max-width: 480px) {
    .contact-row {
        grid-template-columns: 1fr;
    }
}

/* ===== ANIMATIONS ===== */

/* Hero staggered entrance */
.anim-hero {
    opacity: 0;
    transform: translateY(20px);
    animation: hero-in 0.7s ease-out forwards;
    animation-delay: calc(var(--i) * 0.12s + 0.2s);
}

@keyframes hero-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveals */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.reveal-stagger.visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }

/* Accent rule animation */
.reveal .accent-rule {
    width: 0;
    transition: width 0.5s ease-out 0.25s;
}

.reveal.visible .accent-rule {
    width: 2.5rem;
}

/* Panel bracket animation (slower, more noticeable) */
.reveal .panel::before,
.reveal .panel::after,
.reveal-stagger .panel::before,
.reveal-stagger .panel::after {
    width: 0;
    height: 0;
    transition: width 0.4s ease-out 0.2s, height 0.4s ease-out 0.2s;
}

.reveal.visible .panel::before,
.reveal.visible .panel::after,
.reveal-stagger.visible .panel::before,
.reveal-stagger.visible .panel::after {
    width: 12px;
    height: 12px;
}

/* Tool tag stagger (varied timing) */
.tools-grid .tool-tag {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.reveal.visible .tools-grid .tool-tag:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.reveal.visible .tools-grid .tool-tag:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.08s; }
.reveal.visible .tools-grid .tool-tag:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.13s; }
.reveal.visible .tools-grid .tool-tag:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.16s; }
.reveal.visible .tools-grid .tool-tag:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.22s; }
.reveal.visible .tools-grid .tool-tag:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.26s; }
.reveal.visible .tools-grid .tool-tag:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 0.33s; }
.reveal.visible .tools-grid .tool-tag:nth-child(8) { opacity: 1; transform: translateY(0); transition-delay: 0.38s; }
.reveal.visible .tools-grid .tool-tag:nth-child(9) { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --section-pad: 4rem 1.25rem;
    }

    .section-wide {
        padding: 0 1.25rem;
    }

    .feature-split {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-split.reverse > :first-child {
        order: unset;
    }

    .feature-split.reverse > :last-child {
        order: unset;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }

    .platform-row {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding: 7rem 1.25rem 3rem;
    }

    .hero-visual {
        margin-top: 2rem;
    }

    .memory-graph-wrap {
        height: 280px;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2.2rem;
    }

    .hero-hook {
        font-size: 1.05rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }

    .section-label {
        font-size: 1.15rem;
    }

    .footer-headline {
        font-size: 1.6rem;
    }

    .screenshot-body {
        min-height: 180px;
    }
}