/* =========================================================
   Proinventie — Design System (Notion-style)
   ========================================================= */

:root {
    /* Brand */
    --blue: #0075de;
    --blue-hover: #005fb5;
    --blue-soft: #eaf2fb;
    --blue-soft-hover: #dce9f7;

    /* Text */
    --text-main: rgba(0, 0, 0, 0.95);
    --text-muted: rgba(0, 0, 0, 0.6);
    --text-faint: rgba(0, 0, 0, 0.4);

    /* Surface */
    --bg-main: #ffffff;
    --bg-soft: #f7f7f5;
    --bg-soft-2: #f1f1ef;
    --bg-hover: rgba(0, 0, 0, 0.045);
    --border-color: rgba(0, 0, 0, 0.09);
    --border-strong: rgba(0, 0, 0, 0.16);

    /* Accents (highlight pills) */
    --peach: #ffddb8;
    --peach-dot: #e07b39;
    --mint: #cfe9d8;
    --mint-dot: #3f9b6a;
    --sky: #cfe3f7;
    --sky-dot: #2b7fd4;
    --lilac: #e2dcf5;
    --lilac-dot: #7b62d4;

    --black: #000000;
    --white: #ffffff;

    --radius: 8px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.14);

    --nav-h: 64px;
    --font-sans: "Inter", "Noto Sans Thai", -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

::selection {
    background: var(--peach);
}

/* =========================================================
   Navbar
   ========================================================= */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    height: var(--nav-h);
    padding: 0 24px;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

header.is-scrolled {
    border-bottom-color: var(--border-color);
}

.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.nav-right {
    justify-content: flex-end;
}

.logo {
    font-weight: 600;
    font-size: 17px;
    letter-spacing: -0.4px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.logo-icon {
    width: 26px;
    height: 26px;
    background: var(--black);
    border-radius: 5px;
    display: grid;
    place-items: center;
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    flex: none;
}

.logo-icon svg {
    width: 15px;
    height: 15px;
}

/* Center menu */
.nav-center {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-links a,
.nav-item > button {
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    padding: 7px 10px;
    border-radius: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-item > button:hover {
    background-color: var(--bg-hover);
}

.nav-item {
    position: relative;
}

.nav-item .chev {
    width: 10px;
    height: 10px;
    opacity: 0.55;
    transition: transform 0.18s ease;
}

.nav-item:hover .chev {
    transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 300px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown::before {
    content: "";
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

.dd-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.15s ease;
}

.dd-item:hover {
    background: var(--bg-soft);
}

.dd-ico {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    background: var(--bg-soft-2);
    display: grid;
    place-items: center;
    font-size: 15px;
    flex: none;
}

.dd-title {
    font-size: 14px;
    font-weight: 550;
    line-height: 1.3;
}

.dd-desc {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.35;
    margin-top: 2px;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
}

.nav-toggle:hover {
    background: var(--bg-hover);
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 1.8px;
    background: var(--text-main);
    border-radius: 2px;
}

.nav-toggle span + span {
    margin-top: 5px;
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--white);
    z-index: 99;
    padding: 20px 24px 40px;
    overflow-y: auto;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 14px 4px;
    font-size: 17px;
    font-weight: 550;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu .mm-actions {
    margin-top: 24px;
    display: grid;
    gap: 10px;
}

.mobile-menu .mm-actions .btn {
    padding: 12px;
    font-size: 15px;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
    padding: 8px 14px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease,
        transform 0.15s ease;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

.btn-primary:hover {
    background: var(--blue-hover);
    border-color: var(--blue-hover);
}

.btn-secondary {
    background: var(--blue-soft);
    color: var(--blue);
}

.btn-secondary:hover {
    background: var(--blue-soft-hover);
}

.btn-ghost {
    background: transparent;
}

.btn-ghost:hover {
    background: var(--bg-hover);
}

.btn-dark {
    background: var(--text-main);
    color: var(--white);
}

.btn-dark:hover {
    background: #2f2f2f;
}

.btn-lg {
    padding: 12px 22px;
    font-size: 16px;
    border-radius: 10px;
}

/* =========================================================
   Layout helpers
   ========================================================= */

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-wide {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 88px 0;
}

.section-soft {
    background: var(--bg-soft);
}

.eyebrow {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 14px;
}

h1 {
    font-size: clamp(20px, 3.7vw, 46px);
    font-weight: 600;
    letter-spacing: -0.045em;
    line-height: 1.04;
    margin-bottom: 16px;
}

h2 {
    font-size: clamp(16px, 2.2vw, 26px);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.1;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.015em;
}

p.subtitle {
    font-size: clamp(16px, 1.7vw, 20px);
    color: var(--text-muted);
    font-weight: 400;
    line-height: 1.5;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 550;
    color: var(--blue);
}

.link-arrow:hover {
    text-decoration: underline;
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
    padding: 72px 0 0;
    text-align: center;
    overflow: hidden;
}

.hero-text {
    text-align: center;
    max-width: 940px;
    margin: 0 auto 34px;
}

/* hero heading at half the global h1 scale */
.hero h1 {
    font-size: clamp(20px, 3.7vw, 46px);
}

/* subtitle and buttons under the hero follow the compact scale */
.hero-text .subtitle {
    font-size: 14px;
}

.hero-actions .btn-lg {
    padding: 8px 14px;
    font-size: 13px;
}

.hero h1 .line {
    display: inline;
}

/* Rotating highlight pill */
.rotator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.22em;
    background: var(--peach);
    border-radius: 999px;
    padding: 0.04em 0.34em 0.1em;
    transition: width 0.45s cubic-bezier(0.2, 0.8, 0.2, 1),
        background-color 0.45s ease;
    vertical-align: middle;
    overflow: hidden;
}

.rotator .dot {
    width: 0.2em;
    height: 0.2em;
    border-radius: 50%;
    background: var(--peach-dot);
    flex: none;
    transition: background-color 0.45s ease;
}

.rotator .word {
    display: inline-block;
    white-space: nowrap;
}

.rotator .word.out {
    animation: word-out 0.28s forwards;
}

.rotator .word.in {
    animation: word-in 0.34s forwards;
}

@keyframes word-out {
    to {
        opacity: 0;
        transform: translateY(-0.35em);
        filter: blur(3px);
    }
}

@keyframes word-in {
    from {
        opacity: 0;
        transform: translateY(0.35em);
        filter: blur(3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.hero-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 26px;
}

/* =========================================================
   App mockup (hero visual)
   ========================================================= */

.mockup-wrap {
    position: relative;
    max-width: 1080px;
    margin: 56px auto 0;
    padding: 0 24px;
}

.mockup {
    border: 1px solid var(--border-color);
    border-radius: 14px 14px 0 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    text-align: left;
}

.mk-chrome {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border-color);
}

.mk-dots {
    display: flex;
    gap: 6px;
}

.mk-dots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #dcdcd8;
    display: block;
}

.mk-tab {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 12px;
    margin-left: 10px;
}

.mk-body {
    display: grid;
    grid-template-columns: 236px 1fr;
    min-height: 420px;
}

.mk-side {
    background: var(--bg-soft);
    border-right: 1px solid var(--border-color);
    padding: 14px 10px;
}

.mk-ws {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
}

.mk-ws .av {
    width: 20px;
    height: 20px;
    border-radius: 5px;
    background: var(--black);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 11px;
}

.mk-search {
    margin: 10px 0 14px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12.5px;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    gap: 7px;
}

.mk-nav li {
    font-size: 13px;
    color: var(--text-muted);
    padding: 5px 8px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mk-nav li.active {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-main);
    font-weight: 500;
}

.mk-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-faint);
    padding: 14px 8px 6px;
    letter-spacing: 0.3px;
}

.mk-main {
    padding: 26px 34px;
    position: relative;
}

.mk-cover {
    height: 74px;
    border-radius: 8px;
    background: linear-gradient(110deg, #ffe0c2, #e5e8ff 55%, #d6f0e2);
    margin-bottom: 18px;
}

.mk-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.mk-meta {
    display: grid;
    gap: 7px;
    margin-bottom: 20px;
}

.mk-meta div {
    display: flex;
    gap: 14px;
    font-size: 12.5px;
    color: var(--text-muted);
}

.mk-meta span:first-child {
    width: 96px;
    color: var(--text-faint);
}

.mk-table {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    font-size: 12.5px;
}

.mk-row {
    display: grid;
    grid-template-columns: 1.6fr 0.9fr 0.8fr;
    gap: 10px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.mk-row:last-child {
    border-bottom: none;
}

.mk-row.head {
    background: var(--bg-soft);
    color: var(--text-faint);
    font-weight: 600;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    background: var(--bg-soft-2);
    color: var(--text-muted);
}

.tag.blue {
    background: var(--sky);
    color: #1c5fa8;
}
.tag.green {
    background: var(--mint);
    color: #2c7a54;
}
.tag.orange {
    background: var(--peach);
    color: #9a5520;
}

/* Floating AI card */
.mk-ai {
    position: absolute;
    right: 22px;
    bottom: 22px;
    width: 260px;
    background: var(--white);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 12px;
    animation: float 5.5s ease-in-out infinite;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.mk-ai .ai-head {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.mk-ai .ai-avatar {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), #7b62d4);
}

.mk-ai p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.45;
}

.mk-ai .ai-input {
    margin-top: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 7px 9px;
    font-size: 11.5px;
    color: var(--text-faint);
    display: flex;
    justify-content: space-between;
}

/* =========================================================
   Marquee (logos & stats)
   ========================================================= */

.trust {
    padding: 44px 0 64px;
    text-align: center;
}

.trust-caption {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 26px;
}

.marquee {
    overflow: hidden;
    position: relative;
    -webkit-mask-image: linear-gradient(
        90deg,
        transparent,
        #000 8%,
        #000 92%,
        transparent
    );
    mask-image: linear-gradient(
        90deg,
        transparent,
        #000 8%,
        #000 92%,
        transparent
    );
}

.marquee-track {
    display: flex;
    width: max-content;
    gap: 56px;
    animation: scroll-x 38s linear infinite;
}

.marquee:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-track.reverse {
    animation-direction: reverse;
}

@keyframes scroll-x {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

.logo-item {
    font-size: 20px;
    font-weight: 650;
    letter-spacing: -0.02em;
    color: rgba(0, 0, 0, 0.72);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.stat-item {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.stat-item::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--peach-dot);
}

.stats {
    padding: 56px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* =========================================================
   Cards / grids
   ========================================================= */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--radius-lg);
    background: var(--white);
}

.card h3 {
    margin-bottom: 8px;
}

.card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Feature card with visual */
.feature-card {
    background: var(--bg-soft);
    border-radius: var(--radius-xl);
    padding: 26px;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.fc-visual {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    height: 190px;
    margin-bottom: 22px;
    padding: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fc-line {
    height: 9px;
    border-radius: 4px;
    background: var(--bg-soft-2);
}

.fc-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    padding: 5px 9px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    color: var(--text-muted);
    background: var(--white);
    width: fit-content;
}

.feature-card h3 {
    margin-bottom: 6px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
    flex: 1;
}

.fc-link {
    margin-top: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14.5px;
    font-weight: 550;
}

.fc-link .arrow {
    transition: transform 0.2s ease;
}

.feature-card:hover .fc-link .arrow {
    transform: translateX(4px);
}

/* Use-case rail */
.rail {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    padding-top: 4px;
    padding-bottom: 22px;
    padding-left: max(24px, calc((100% - 1120px) / 2 + 24px));
    padding-right: 24px;
    scroll-padding-left: max(24px, calc((100% - 1120px) / 2 + 24px));
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
}

.rail::-webkit-scrollbar {
    height: 6px;
}

.rail::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.16);
    border-radius: 4px;
}

.use-card {
    flex: 0 0 306px;
    scroll-snap-align: start;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    transition: box-shadow 0.22s ease, transform 0.22s ease;
}

.use-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.uc-visual {
    height: 168px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
}

.uc-visual.v1 {
    background: #fdf1e6;
}
.uc-visual.v2 {
    background: #eaf1fb;
}
.uc-visual.v3 {
    background: #f1eefb;
}
.uc-visual.v4 {
    background: #e9f5ee;
}
.uc-visual.v5 {
    background: #fbeef1;
}

.uc-bubble {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 11.5px;
    color: var(--text-muted);
    box-shadow: var(--shadow-sm);
}

.uc-bubble.me {
    margin-left: auto;
    background: var(--white);
    font-weight: 500;
    color: var(--text-main);
}

.uc-foot {
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 15px;
    font-weight: 550;
}

.uc-foot .arrow {
    color: var(--text-faint);
    transition: transform 0.2s ease;
}

.use-card:hover .uc-foot .arrow {
    transform: translateX(4px);
}

/* Testimonials */
.quote-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    display: flex;
    flex-direction: column;
}

.quote-card blockquote {
    font-size: 18px;
    line-height: 1.45;
    letter-spacing: -0.015em;
    flex: 1;
}

.q-person {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-top: 26px;
}

.q-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-soft-2);
    display: grid;
    place-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    flex: none;
}

.q-name {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
}

.q-role {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.3;
}

/* =========================================================
   Final CTA
   ========================================================= */

.cta {
    text-align: center;
    padding: 120px 0;
}

.cta h2 {
    margin-bottom: 28px;
}

.cta-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================================================
   Footer
   ========================================================= */

footer {
    border-top: 1px solid var(--border-color);
    padding: 64px 0 40px;
    background: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr repeat(4, 1fr);
    gap: 32px;
}

.footer-brand .logo {
    margin-bottom: 18px;
}

.social {
    display: flex;
    gap: 6px;
}

.social a {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    display: grid;
    place-items: center;
    color: var(--text-muted);
    transition: background 0.15s ease, color 0.15s ease;
}

.social a:hover {
    background: var(--bg-hover);
    color: var(--text-main);
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
}

.footer-col li {
    margin-bottom: 9px;
}

.footer-col a {
    font-size: 13.5px;
    color: var(--text-muted);
}

.footer-col a:hover {
    color: var(--text-main);
    text-decoration: underline;
}

.footer-bottom {
    margin-top: 52px;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom .fb-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-bottom a:hover {
    color: var(--text-main);
}

/* =========================================================
   Reveal on scroll
   ========================================================= */

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
    .mk-ai {
        display: none;
    }
}

@media (max-width: 900px) {
    .nav-center {
        display: none;
    }
    .nav-toggle {
        display: block;
    }
    .nav-right .desktop-only {
        display: none;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .mk-body {
        grid-template-columns: 1fr;
        min-height: 0;
    }
    .mk-side {
        display: none;
    }
    section {
        padding: 64px 0;
    }
    .section-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 600px) {
    header {
        padding: 0 16px;
    }
    .container,
    .container-wide {
        padding: 0 18px;
    }
    .hero {
        padding: 44px 0 0;
    }
    .hero-actions .btn {
        flex: 1 1 100%;
    }
    .mockup-wrap {
        padding: 0 16px;
    }
    .mk-main {
        padding: 18px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta {
        padding: 76px 0;
    }
    .rail {
        padding-left: 18px;
        padding-right: 18px;
        scroll-padding-left: 18px;
    }

    .use-card {
        flex-basis: 260px;
    }
}

/* =========================================================
   Brand lockup (coin mark + PROINVENTIVE wordmark)
   ========================================================= */

.logo-mark {
    width: 30px;
    height: 30px;
    object-fit: contain;
    flex: none;
    display: block;
}

.logo-word {
    display: inline-flex;
    align-items: baseline;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.01em;
    line-height: 1;
}

.logo-word .pro {
    color: #b8860b;
    background: linear-gradient(180deg, #f0d27a 0%, #d8a93a 45%, #a97a10 100%);
}

.logo-word .inv {
    color: #16233d;
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
    .logo-word .pro {
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
}

footer .logo-word .inv {
    color: #16233d;
}

/* =========================================================
   Language switch (TH / EN)
   ========================================================= */

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--white);
    flex: none;
}

.lang-switch button {
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 999px;
    padding: 4px 10px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.lang-switch button:hover {
    color: var(--text-main);
    background: var(--bg-hover);
}

.lang-switch button.active {
    background: var(--text-main);
    color: var(--white);
}

.mobile-menu .lang-switch {
    margin-top: 18px;
}

.footer-bottom .lang-switch {
    background: transparent;
}

@media (max-width: 900px) {
    header .lang-switch {
        display: none;
    }
}

/* =========================================================
   Pricing plan cards
   ========================================================= */

.price {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 14px 0 10px;
}

.price .per {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0;
}

.plan-btn {
    width: 100%;
    margin-top: 18px;
}

.card .plan-btn.btn-ghost {
    border-color: var(--border-color);
}

/* =========================================================
   Pi Tasks entry point (navbar + footer)
   ========================================================= */

.tasks-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-soft-2);
    color: var(--text-main);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;
}

.tasks-chip:hover {
    background: rgba(0, 0, 0, 0.09);
    text-decoration: none;
}

.tasks-chip.is-current {
    background: var(--blue-soft);
    color: var(--blue);
}

.tasks-chip.is-current:hover {
    background: var(--blue-soft-hover);
}

/* inside the navbar it keeps the nav-link metrics */
.nav-links a.tasks-chip {
    font-size: 14px;
    padding: 7px 10px;
    border-radius: 6px;
}

.footer-col a.tasks-chip {
    font-size: 12.5px;
    padding: 3px 10px;
}

/* =========================================================
   Auth (demo login) — modal + gated menu
   ========================================================= */

/* everything internal stays hidden until login */
body:not(.pi-authed) .internal-only {
    display: none !important;
}

.auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 1300;
    background: rgba(15, 20, 30, 0.45);
    backdrop-filter: blur(3px);
    display: grid;
    place-items: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s ease, visibility 0.18s;
}

.auth-overlay.open {
    opacity: 1;
    visibility: visible;
}

.auth-card {
    position: relative;
    width: 100%;
    max-width: 360px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 28px 26px 26px;
    text-align: center;
    transform: translateY(10px);
    transition: transform 0.18s ease;
}

.auth-overlay.open .auth-card {
    transform: none;
}

.auth-x {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    color: var(--text-faint);
    border-radius: 7px;
    cursor: pointer;
    display: grid;
    place-items: center;
}

.auth-x:hover {
    background: var(--bg-hover);
    color: var(--text-main);
}

.auth-logo {
    width: 52px;
    height: 52px;
    object-fit: contain;
    margin: 0 auto 12px;
}

.auth-title {
    font-size: 19px;
    margin-bottom: 6px;
}

.auth-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 18px;
    line-height: 1.45;
}

.auth-input {
    width: 100%;
    font-family: inherit;
    font-size: 14.5px;
    padding: 10px 12px;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    outline: none;
    margin-bottom: 10px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 117, 222, 0.15);
}

.auth-error {
    font-size: 12.5px;
    color: #c94b4b;
    margin-bottom: 10px;
    text-align: left;
}

.auth-submit {
    width: 100%;
    padding: 10px;
    font-size: 15px;
}

.auth-session .auth-who {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 14px;
    word-break: break-all;
}

.auth-session .auth-logout {
    width: 100%;
    padding: 10px;
}

/* =========================================================
   Real-project showcase (home) + portfolio list (product)
   ========================================================= */

.proj-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--white);
    display: flex;
    flex-direction: column;
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.proj-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.proj-visual {
    height: 120px;
    display: flex;
    align-items: flex-end;
    padding: 14px 18px;
}

.proj-visual .proj-kw {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: rgba(0, 0, 0, 0.78);
}

.proj-visual.g1 { background: linear-gradient(120deg, #ffe3c2, #ffd6a1); }
.proj-visual.g2 { background: linear-gradient(120deg, #d7e9fb, #bcd9f5); }
.proj-visual.g3 { background: linear-gradient(120deg, #d9f0e2, #c1e6d2); }

.proj-body {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.proj-body h3 {
    font-size: 18px;
}

.proj-body p {
    color: var(--text-muted);
    font-size: 14px;
    flex: 1;
}

.proj-body .tag {
    width: fit-content;
    margin-top: 8px;
}

/* portfolio list on the product page */
.pf-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 40px;
    margin-top: 34px;
}

.pf-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 2px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14.5px;
}

.pf-name {
    flex: 1;
    min-width: 0;
}

.pf-kw {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    white-space: nowrap;
}

.pf-item .tag {
    flex: none;
}

@media (max-width: 800px) {
    .pf-grid {
        grid-template-columns: 1fr;
    }
}

/* footer contact lines under the brand */
.footer-contact {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
    display: grid;
    gap: 6px;
    line-height: 1.5;
}

.footer-contact a:hover {
    color: var(--text-main);
    text-decoration: underline;
}

/* =========================================================
   Mockup sidebar links + "today's summary" dashboard
   ========================================================= */

.mk-nav li.lnk {
    padding: 0;
}

.mk-nav li.lnk a {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 5px 8px;
    border-radius: 6px;
    color: inherit;
    transition: background 0.15s ease, color 0.15s ease;
}

.mk-nav li.lnk a:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-main);
}

.mkd-tiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.mkd-tile {
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--border-strong);
    border-radius: 8px;
    padding: 10px 12px;
    background: var(--white);
}

.mkd-tile.c-todo { border-top-color: #9b59d0; }
.mkd-tile.c-doing { border-top-color: #e0a93b; }
.mkd-tile.c-review { border-top-color: #2b7fd4; }
.mkd-tile.c-done { border-top-color: #3f9b6a; }

.mkd-tile .n {
    display: block;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.mkd-tile .l {
    font-size: 11.5px;
    color: var(--text-muted);
}

.mkd-users .mk-row {
    grid-template-columns: 1.5fr 0.7fr 1fr;
}

.mkd-empty {
    font-size: 12px;
    color: var(--text-faint);
    padding: 12px;
    text-align: center;
}

@media (max-width: 600px) {
    .mkd-tiles {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =========================================================
   "เริ่มใช้ฟรี" start menu
   ========================================================= */

.start-card {
    max-width: 400px;
    text-align: left;
}

.start-card .auth-title {
    text-align: center;
    margin-bottom: 14px;
}

.start-items {
    display: grid;
    gap: 2px;
}

.start-items .dd-item .dd-title {
    font-size: 14.5px;
}

/* =========================================================
   Demo page — video presentation frames
   ========================================================= */

.demo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}

.demo-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.22s ease, transform 0.22s ease;
}

.demo-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.demo-card.wide {
    grid-column: 1 / -1;
}

.demo-card video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #f2eeeb;
}

.demo-card figcaption {
    padding: 18px 22px 20px;
}

.demo-card figcaption h3 {
    font-size: 17px;
    margin-bottom: 6px;
}

.demo-card figcaption p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.55;
}

@media (max-width: 800px) {
    .demo-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   Project Dashboard (dark, matches the Pi console theme)
   ========================================================= */

.pd-wrap {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    grid-template-areas:
        "map main"
        "curve bars";
    gap: 16px;
    background: var(--pi-navy);
    border: 1px solid var(--pi-navy-3);
    border-radius: var(--radius-xl);
    padding: 16px;
    color: var(--pi-text);
    margin-top: 8px;
}

.pd-card {
    background: var(--pi-navy-2);
    border: 1px solid var(--pi-line);
    border-radius: 12px;
    padding: 14px 16px;
}

.pd-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.pd-label {
    display: block;
    font-size: 11.5px;
    color: var(--pi-dim);
}

.pd-note {
    display: block;
    font-size: 10.5px;
    color: var(--pi-dim);
    opacity: 0.8;
    margin-top: 8px;
}

/* ---- map ---- */
.pd-map-card {
    grid-area: map;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pd-legend {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 500;
    color: var(--pi-dim);
}

.pd-legend i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-left: 8px;
}

.pd-map {
    flex: 1;
    min-height: 380px;
    max-height: 560px;
}

.pd-map svg {
    width: 100%;
    height: 100%;
    display: block;
}

.pd-land {
    fill: rgba(120, 70, 30, 0.14);
    stroke: rgba(90, 50, 15, 0.42);
    stroke-width: 0.6;
    stroke-linejoin: round;
}

.pd-dot {
    cursor: pointer;
}

.pd-halo {
    opacity: 0.35;
    transform-origin: center;
    transform-box: fill-box;
    animation: pd-pulse 2.4s ease-out infinite;
}

@keyframes pd-pulse {
    0% { transform: scale(0.6); opacity: 0.45; }
    70% { transform: scale(2.4); opacity: 0; }
    100% { transform: scale(2.4); opacity: 0; }
}

.pd-core {
    stroke: rgba(0, 0, 0, 0.35);
    stroke-width: 1;
}

.pd-map-label {
    font-size: 12px;
    font-weight: 600;
    fill: #38200c;
    paint-order: stroke;
    stroke: rgba(252, 248, 245, 0.92);
    stroke-width: 3px;
    stroke-linejoin: round;
    pointer-events: none;
}

.pd-tip {
    position: absolute;
    z-index: 5;
    max-width: 240px;
    background: var(--pi-navy);
    border: 1px solid var(--pi-navy-3);
    border-radius: 9px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    padding: 9px 11px;
    font-size: 11px;
    line-height: 1.5;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.pd-tip.show {
    opacity: 1;
    transform: none;
}

.pd-tip strong {
    display: block;
    margin-bottom: 4px;
    font-size: 11.5px;
}

.pd-tip span {
    display: block;
    color: var(--pi-dim);
}

.pd-tip i {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    margin-right: 5px;
}

/* ---- right column ---- */
.pd-main {
    grid-area: main;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pd-live-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.pd-live-val {
    display: block;
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    line-height: 1.15;
}

.pd-live-val em {
    font-style: normal;
    font-size: 0.45em;
    color: var(--pi-dim);
}

.pd-clock {
    font-family: var(--pi-mono);
    font-size: 12px;
    color: var(--pi-dim);
}

.pd-live-bar {
    height: 10px;
    border-radius: 999px;
    background: rgba(90, 50, 15, 0.14);
    overflow: hidden;
    margin-top: 10px;
}

.pd-live-bar i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--pi-gold-2), var(--pi-gold));
    transition: width 1.2s ease;
}

.pd-tiles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.pd-num {
    display: block;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.pd-num em {
    font-style: normal;
    font-size: 12px;
    font-weight: 500;
    color: var(--pi-dim);
}

.pd-num .mw {
    font-weight: 600;
}

/* installed = amber, system design = blue */
.pd-tile.c-install .pd-num,
.pd-tile.c-install .pd-num em {
    color: #e07000;
}

.pd-tile.c-install {
    border-top: 3px solid #ff9800;
}

.pd-tile.c-design .pd-num,
.pd-tile.c-design .pd-num em {
    color: #2b7fd4;
}

.pd-tile.c-design {
    border-top: 3px solid #2b7fd4;
}

.pd-gauges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.pd-gauge {
    position: relative;
    text-align: center;
    padding-bottom: 12px;
}

.pd-gauge svg {
    width: 104px;
    height: 104px;
    transform: rotate(-90deg);
    margin: 2px auto 4px;
    display: block;
}

.pd-ring-bg,
.pd-ring {
    fill: none;
    stroke-width: 9;
    stroke-linecap: round;
}

.pd-ring-bg {
    stroke: rgba(90, 50, 15, 0.14);
}

.pd-gauge-txt {
    position: absolute;
    top: 44px;
    left: 0;
    right: 0;
    line-height: 1.1;
}

.pd-gauge-big {
    display: block;
    font-size: 22px;
    font-weight: 700;
}

.pd-gauge-sub {
    font-size: 11px;
    color: var(--pi-dim);
    font-variant-numeric: tabular-nums;
}

/* ---- daily curve ---- */
.pd-curve-card {
    grid-area: curve;
}

#pdCurve {
    width: 100%;
    height: 150px;
    display: block;
}

.pd-line {
    fill: none;
    stroke: var(--pi-gold);
    stroke-width: 2.4;
}

.pd-area {
    fill: rgba(255, 152, 0, 0.18);
    stroke: none;
}

.pd-nowline {
    stroke: rgba(90, 50, 15, 0.35);
    stroke-width: 1;
    stroke-dasharray: 3 4;
}

.pd-nowdot {
    fill: var(--pi-gold);
    stroke: #fff;
    stroke-width: 1.5;
}

.pd-x {
    display: flex;
    justify-content: space-between;
    font-family: var(--pi-mono);
    font-size: 10px;
    color: var(--pi-dim);
    margin-top: 4px;
}

/* ---- top-project bars ---- */
.pd-bars-card {
    grid-area: bars;
}

.pd-bar-row {
    display: grid;
    grid-template-columns: minmax(120px, 1.2fr) 2fr 62px;
    align-items: center;
    gap: 10px;
    margin-bottom: 9px;
    font-size: 11.5px;
}

.pd-bar-name {
    color: var(--pi-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pd-bar-track {
    height: 9px;
    border-radius: 999px;
    background: rgba(90, 50, 15, 0.14);
    overflow: hidden;
}

.pd-bar-track i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    transition: width 1.1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.pd-bar-val {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

@media (max-width: 900px) {
    .pd-wrap {
        grid-template-columns: 1fr;
        grid-template-areas: "map" "main" "curve" "bars";
    }
    .pd-map {
        min-height: 320px;
        max-height: 400px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pd-halo {
        animation: none;
    }
}

/* content for visitors only — hidden once logged in */
body.pi-authed .guest-only {
    display: none !important;
}

/* ASC demo clip inside the hero mockup (guest view) */
.mk-asc video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #f2eeeb;
}

.mk-asc-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 550;
    color: var(--blue);
}

.mk-asc-link:hover {
    text-decoration: underline;
}

/* =========================================================
   Compact scale pass — follows the halved hero heading
   ========================================================= */

/* large CTA buttons shrink to regular-button proportions */
.btn-lg {
    padding: 9px 16px;
    font-size: 14px;
    border-radius: 8px;
}

/* the section headings named in the trim: dashboard, about, final CTA */
#stories .section-head h2,
#about h2,
.cta h2 {
    font-size: clamp(16px, 2.2vw, 26px);
}

/* ASC title inside the hero mockup (guest view) */
.mk-asc .mk-title {
    font-size: 15px;
}