/* ============================================
   CPMS Landing — Graphite & Signal
   Swiss Minimalism × Soft High-End Corporate
   ============================================ */

/* ---------- 1. TOKENS ---------- */
:root {
    /* palette */
    --color-primary:   #0A0F1C;
    --color-secondary: #1E2738;
    --color-accent:    #1E6FBA;
    --color-accent-hover: #2A7FC9;
    --color-accent-soft:  rgba(30, 111, 186, 0.08);
    --color-accent-2:  #E8B75D;         /* brass highlight, sparing */
    --color-accent-2-soft: rgba(232, 183, 93, 0.14);
    --color-bg:        #F5F4EF;         /* warm off-white */
    --color-bg-alt:    #EDEBE4;
    --color-surface:   #FFFFFF;
    --color-ink:       #0A0F1C;
    --color-muted:     #E6E4DE;
    --color-muted-fg:  #6B7280;
    --color-border:    #E6E4DE;
    --color-hairline:  #D8D5CC;
    --color-destructive: #C0392B;

    /* typography */
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-hero:    clamp(36px, 4.2vw, 60px);
    --fs-h1:      clamp(36px, 4.5vw, 64px);
    --fs-h2:      clamp(28px, 3.2vw, 44px);
    --fs-h3:      clamp(20px, 1.8vw, 26px);
    --fs-body-lg: clamp(17px, 1.2vw, 20px);
    --fs-body:    16px;
    --fs-small:   14px;
    --fs-micro:   12px;
    --lh-tight:   1.05;
    --lh-snug:    1.2;
    --lh-body:    1.65;
    --tracking-hero:    -0.035em;
    --tracking-h2:      -0.02em;
    --tracking-eyebrow:  0.12em;

    /* spacing & layout */
    --space-section: clamp(72px, 9vh, 128px);
    --space-gutter:  clamp(20px, 4vw, 48px);
    --container:        1320px;
    --container-narrow: 880px;

    /* motion */
    --ease-standard:   cubic-bezier(0.2, 0, 0, 1);
    --ease-emphasized: cubic-bezier(0.3, 0, 0, 1);
    --ease-spring:     cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-out-expo:   cubic-bezier(0.16, 1, 0.3, 1);
    --dur-fast:   120ms;
    --dur-base:   220ms;
    --dur-slow:   420ms;
    --dur-reveal: 720ms;
    --dur-epic:  1100ms;

    /* elevation */
    --shadow-hairline: 0 0 0 1px var(--color-hairline);
    --shadow-sm: 0 1px 2px rgba(10,15,28,0.04);
    --shadow-md: 0 4px 12px rgba(10,15,28,0.06), 0 1px 2px rgba(10,15,28,0.04);
    --shadow-lg: 0 24px 48px -12px rgba(10,15,28,0.12), 0 6px 16px -8px rgba(10,15,28,0.06);
    --shadow-glow-accent: 0 0 0 1px rgba(30,111,186,0.18), 0 12px 40px -8px rgba(30,111,186,0.28);
    --inner-highlight: inset 0 1px 0 rgba(255,255,255,0.6);

    /* radius */
    --radius-sm:  10px;
    --radius:     14px;
    --radius-lg:  20px;
    --radius-xl:  28px;
    --radius-2xl: 36px;

    /* layout helpers */
    --header-h:       76px;
    --header-h-small: 58px;
}

/* ---------- 2. RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 96px; }
body {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    color: var(--color-ink);
    background: var(--color-bg);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: var(--tracking-h2); color: var(--color-ink); line-height: var(--lh-snug); }
p  { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 700; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }

.skip-link {
    position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden;
    background: var(--color-ink); color: #fff; padding: 12px 18px; border-radius: var(--radius-sm);
    z-index: 9999; font-weight: 600;
}
.skip-link:focus { position: fixed; left: 16px; top: 16px; width: auto; height: auto; overflow: visible; outline: 2px solid var(--color-accent-2); outline-offset: 2px; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-gutter);
}
.container--narrow { max-width: var(--container-narrow); }

::selection { background: var(--color-accent); color: #fff; }

/* ---------- 3. BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: var(--fs-small);
    line-height: 1;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: transform var(--dur-base) var(--ease-standard),
                background var(--dur-base) var(--ease-standard),
                color var(--dur-base) var(--ease-standard),
                box-shadow var(--dur-base) var(--ease-standard),
                border-color var(--dur-base) var(--ease-standard);
    cursor: pointer;
    border: 1px solid transparent;
    will-change: transform;
}
.btn svg { flex-shrink: 0; }
.btn--accent {
    background: var(--color-primary);
    color: #FDFCF7;
    box-shadow: var(--shadow-md), var(--inner-highlight);
}
.btn--accent:hover {
    background: #1A2236;
    box-shadow: var(--shadow-lg), var(--inner-highlight);
    transform: translateY(-1px);
}
.btn--outline {
    background: transparent;
    color: var(--color-ink);
    border-color: var(--color-ink);
}
.btn--outline:hover {
    background: var(--color-ink);
    color: #FDFCF7;
}
.btn--lg { padding: 18px 30px; font-size: 15px; }
.btn--full { width: 100%; }

/* ---------- 4. HEADER ---------- */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: rgba(245, 244, 239, 0.72);
    z-index: 100;
    transition: transform var(--dur-slow) var(--ease-emphasized),
                height var(--dur-slow) var(--ease-emphasized),
                background var(--dur-slow) var(--ease-emphasized),
                box-shadow var(--dur-slow) var(--ease-emphasized),
                backdrop-filter var(--dur-slow) var(--ease-emphasized);
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .header { backdrop-filter: blur(10px) saturate(1.1); -webkit-backdrop-filter: blur(10px) saturate(1.1); background: rgba(245, 244, 239, 0.55); }
}
.header.is-scrolled {
    height: var(--header-h-small);
    background: rgba(245, 244, 239, 0.85);
    box-shadow: 0 1px 0 var(--color-hairline), 0 8px 28px -12px rgba(10,15,28,0.12);
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .header.is-scrolled { backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4); background: rgba(245, 244, 239, 0.72); }
}
.header.is-hidden { transform: translateY(-102%); }

.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.header__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--color-ink);
}
.header__logo svg { width: 32px; height: 32px; }
.header__logo svg rect { fill: var(--color-primary); }
.header__logo-text { display: inline-flex; flex-direction: column; line-height: 1; gap: 2px; font-size: 15px; letter-spacing: -0.01em; }
.header__logo-sub { font-size: 10px; font-weight: 500; color: var(--color-muted-fg); letter-spacing: 0.04em; text-transform: uppercase; }

.header__nav { display: flex; }
.header__nav-list { display: flex; gap: 4px; align-items: center; }
.header__nav-link {
    display: inline-block;
    padding: 8px 14px;
    font-size: var(--fs-small);
    color: var(--color-ink);
    border-radius: 999px;
    transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
    position: relative;
}
.header__nav-link::after {
    content: '';
    position: absolute;
    left: 14px; right: 14px; bottom: 4px; height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-slow) var(--ease-emphasized);
    opacity: 0.55;
}
.header__nav-link:hover::after { transform: scaleX(1); }

.header__portal, .header__cta { display: inline-flex; align-items: center; }
.header__portal { padding: 10px 16px; font-size: 13px; }
.header__cta { padding: 11px 20px; font-size: 13px; }

.header__burger { display: none; width: 44px; height: 44px; position: relative; border-radius: 10px; }
.header__burger span {
    position: absolute; left: 12px; right: 12px; height: 1.5px;
    background: var(--color-ink);
    transition: transform var(--dur-slow) var(--ease-emphasized), opacity var(--dur-base) var(--ease-standard), top var(--dur-slow) var(--ease-emphasized);
}
.header__burger span:nth-child(1) { top: 15px; }
.header__burger span:nth-child(2) { top: 21px; }
.header__burger span:nth-child(3) { top: 27px; }
.header__burger[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

.header__nav-mobile-only { display: none; }

/* ---------- 5. SECTION BASE ---------- */
.section {
    position: relative;
    padding: var(--space-section) 0;
}
.section + .section { border-top: 1px solid transparent; }

/* section horizontal hairline between sections */
.section::before {
    content: '';
    position: absolute;
    top: 0; left: var(--space-gutter); right: var(--space-gutter);
    height: 1px;
    background: var(--color-hairline);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--dur-epic) var(--ease-out-expo);
}
.section.is-visible::before { transform: scaleX(1); }
.section:first-of-type::before { display: none; }

/* sticky editorial index */
.section__index {
    display: none;
    position: absolute;
    top: calc(var(--space-section) + 8px);
    right: calc(var(--space-gutter) + 8px);
    font-size: var(--fs-micro);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-muted-fg);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    pointer-events: none;
    user-select: none;
}
.section__index::before {
    content: '';
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--color-hairline);
    margin-right: 10px;
    vertical-align: middle;
}
@media (min-width: 1120px) {
    .section__index { display: block; position: sticky; top: 24vh; }
    /* fallback: if sticky doesn't work in context, still visible due to absolute */
}

.section__header {
    max-width: 820px;
    margin: 0 auto 48px;
    text-align: center;
}
.section__header--left { margin-inline: 0; text-align: left; }

.section__label {
    display: inline-block;
    font-size: var(--fs-micro);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-eyebrow);
    color: var(--color-accent);
    margin-bottom: 18px;
    padding: 6px 14px;
    background: var(--color-accent-soft);
    border-radius: 999px;
}
.section__title {
    font-size: var(--fs-h2);
    font-weight: 800;
    letter-spacing: var(--tracking-h2);
    line-height: var(--lh-snug);
    margin-bottom: 20px;
    color: var(--color-primary);
}
.section__subtitle {
    font-size: var(--fs-body-lg);
    color: var(--color-muted-fg);
    max-width: 720px;
    margin: 0 auto;
    line-height: var(--lh-body);
}
.section__header--left .section__subtitle { margin-inline: 0; }

/* ---------- 6. HERO ---------- */
.hero {
    position: relative;
    padding: calc(var(--header-h) + 56px) 0 var(--space-section);
    min-height: auto;
    overflow: hidden;
    background:
        radial-gradient(60% 70% at 85% 15%, rgba(30,111,186,0.10) 0%, transparent 60%),
        radial-gradient(40% 50% at 10% 90%, rgba(232,183,93,0.10) 0%, transparent 60%),
        var(--color-bg);
}
.hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-hairline) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-hairline) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.18;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}
.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 8fr 5fr;
    gap: 64px;
    align-items: start;
}

.hero__content { min-width: 0; }

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-micro);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-eyebrow);
    color: var(--color-primary);
    margin-bottom: 28px;
}
.hero__eyebrow::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--color-accent-2);
}
.hero__eyebrow-brass { color: var(--color-accent-2); font-weight: 700; }

.hero__title {
    font-size: var(--fs-hero);
    font-weight: 800;
    line-height: var(--lh-tight);
    letter-spacing: var(--tracking-hero);
    color: var(--color-primary);
    margin-bottom: 28px;
    max-width: none;
}
.hero__title-accent {
    color: var(--color-accent);
    font-style: italic;
    font-weight: 400;
    display: inline-block;
}

/* word-split reveal */
.hero__title .word {
    display: inline-block;
    overflow: hidden;
    vertical-align: baseline;
}
.hero__title .word__inner {
    display: inline-block;
    transform: translateY(110%);
    filter: blur(10px);
    opacity: 0;
    transition: transform var(--dur-epic) var(--ease-out-expo),
                filter var(--dur-reveal) var(--ease-out-expo),
                opacity var(--dur-reveal) var(--ease-out-expo);
}
.hero__title.is-revealed .word__inner {
    transform: translateY(0);
    filter: blur(0);
    opacity: 1;
}

.hero__subtitle {
    font-size: var(--fs-body-lg);
    color: var(--color-muted-fg);
    line-height: var(--lh-body);
    max-width: 58ch;
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding-top: 28px;
    border-top: 1px solid var(--color-hairline);
}
.hero__stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 4px 20px;
    border-left: 1px solid var(--color-hairline);
}
.hero__stat:first-child { border-left: none; padding-left: 0; }
.hero__stat-value {
    font-size: clamp(40px, 4vw, 64px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--color-primary);
    font-variant-numeric: tabular-nums;
}
.hero__stat-label {
    font-size: var(--fs-micro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-eyebrow);
    color: var(--color-muted-fg);
    font-weight: 600;
}

/* hero visual */
.hero__visual {
    position: relative;
    min-width: 0;
    transform: translateX(40px);
    opacity: 0;
    transition: transform var(--dur-epic) var(--ease-out-expo), opacity var(--dur-reveal) var(--ease-out-expo);
}
.hero__visual.is-revealed { transform: translateX(0); opacity: 1; }

.hero__glow {
    position: absolute;
    inset: -20% -10%;
    background: radial-gradient(50% 50% at 60% 40%, rgba(30,111,186,0.28) 0%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    z-index: 0;
}

.hero__dashboard {
    position: relative;
    z-index: 1;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-hairline);
    box-shadow: var(--shadow-lg), var(--inner-highlight);
    overflow: hidden;
}
.hero__dash-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-hairline);
    background: var(--color-bg-alt);
}
.hero__dash-dots { display: inline-flex; gap: 6px; }
.hero__dash-dots span { width: 10px; height: 10px; border-radius: 999px; background: var(--color-hairline); }
.hero__dash-dots span:nth-child(1) { background: #E8746C; }
.hero__dash-dots span:nth-child(2) { background: #E8B75D; }
.hero__dash-dots span:nth-child(3) { background: #8CC27F; }
.hero__dash-title { font-size: var(--fs-micro); font-weight: 600; color: var(--color-muted-fg); letter-spacing: 0.04em; }

.hero__dash-body { display: grid; grid-template-columns: 48px 1fr; min-height: 300px; }
.hero__dash-sidebar { display: flex; flex-direction: column; gap: 8px; padding: 16px 10px; border-right: 1px solid var(--color-hairline); background: #FAFAF6; }
.hero__dash-menu-item { width: 28px; height: 28px; border-radius: 8px; background: var(--color-muted); }
.hero__dash-menu-item.active { background: var(--color-accent); box-shadow: 0 0 0 3px rgba(30,111,186,0.18); }

.hero__dash-content { padding: 18px 20px; display: flex; flex-direction: column; gap: 16px; }
.hero__dash-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero__dash-card {
    padding: 14px;
    border-radius: var(--radius);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-hairline);
}
.hero__dash-card--accent { background: linear-gradient(135deg, rgba(30,111,186,0.10), rgba(30,111,186,0.02)); border-color: rgba(30,111,186,0.18); }
.hero__dash-card-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted-fg); font-weight: 600; margin-bottom: 6px; }
.hero__dash-card-value { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--color-primary); margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.hero__dash-bar { height: 6px; border-radius: 999px; background: var(--color-muted); overflow: hidden; }
.hero__dash-bar-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 999px;
    width: 0;
    transition: width 1600ms var(--ease-out-expo);
    animation: barPulse 3.6s ease-in-out infinite;
    animation-delay: 1800ms;
}
@keyframes barPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.75; } }

.hero__dash-chart { padding: 8px 0; }
.hero__dash-svg { width: 100%; height: 80px; }
.hero__dash-svg polyline:first-child {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    transition: stroke-dashoffset 1600ms var(--ease-out-expo);
}
.hero__dashboard.is-revealed .hero__dash-svg polyline:first-child { stroke-dashoffset: 0; }

.hero__dash-tag {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    background: var(--color-muted);
    color: var(--color-muted-fg);
    letter-spacing: 0.05em;
}
.hero__dash-tag--accent {
    background: var(--color-accent-2-soft);
    color: #8B6B20;
    animation: kpiGlow 4s ease-in-out infinite;
}
@keyframes kpiGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232,183,93,0); }
    50% { box-shadow: 0 0 0 6px rgba(232,183,93,0.18); }
}

/* ---------- 7. PROBLEMS ---------- */
.problems__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 1fr;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
/* uniform 3×2 grid — no span-2 */
.problems__card {
    position: relative;
    padding: 40px 36px 36px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--dur-slow) var(--ease-emphasized),
                box-shadow var(--dur-slow) var(--ease-emphasized),
                border-color var(--dur-base) var(--ease-standard);
}
.problems__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.problems__card-num {
    position: absolute;
    top: 12px;
    right: 24px;
    font-size: clamp(56px, 6vw, 88px);
    font-weight: 800;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.08;
    letter-spacing: -0.05em;
    pointer-events: none;
    font-variant-numeric: tabular-nums;
}
.problems__card-accent {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--dur-slow) var(--ease-emphasized);
}
.problems__card:hover .problems__card-accent { transform: scaleX(1); }

.problems__icon {
    display: inline-flex;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    margin-bottom: 24px;
    transition: transform var(--dur-slow) var(--ease-emphasized);
}
.problems__card:hover .problems__icon { transform: rotate(-3deg) scale(1.08); }

.problems__card-title {
    font-size: var(--fs-h3);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
    color: var(--color-primary);
}
.problems__card-text { color: var(--color-muted-fg); font-size: 15px; line-height: 1.65; }

.problems__note {
    margin-top: 56px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 26px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-accent-soft);
    background: linear-gradient(135deg, rgba(30,111,186,0.06), rgba(30,111,186,0.02));
}
.problems__note p { color: var(--color-primary); font-size: var(--fs-body); }
.problems__note svg { flex-shrink: 0; margin-top: 2px; }

/* ---------- 8. SOLUTION ---------- */
.solution__formula {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px 24px;
    max-width: 1100px;
    margin: 0 auto 64px;
    padding: 40px 48px;
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    box-shadow: var(--shadow-md);
}
.solution__formula-step { flex: 1 1 140px; min-width: 120px; }
.solution__formula-arrow { flex: 0 0 auto; }
.solution__formula-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.solution__formula-step span {
    font-weight: 700;
    font-size: 15px;
    color: var(--color-primary);
    text-align: center;
}
.solution__formula-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    color: var(--color-accent);
    border: 1px solid var(--color-hairline);
}
.solution__formula-arrow { color: var(--color-hairline); }

.solution__features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.solution__feature { flex: 1 1 260px; max-width: 360px; }
.solution__feature {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 24px;
    border-radius: var(--radius);
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    font-weight: 600;
    color: var(--color-primary);
    transition: transform var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}
.solution__feature:hover { transform: translateY(-2px); border-color: var(--color-accent); }
.solution__feature svg { flex-shrink: 0; margin-top: 3px; }

/* ---------- 9. MODULES ---------- */
.modules__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.modules__card {
    position: relative;
    padding: 40px 32px 36px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--dur-slow) var(--ease-emphasized),
                box-shadow var(--dur-slow) var(--ease-emphasized),
                border-color var(--dur-base) var(--ease-standard);
}
.modules__card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--dur-slow) var(--ease-emphasized);
}
.modules__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.modules__card:hover::before { transform: scaleX(1); }
.modules__card--wide { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.modules__card--wide .modules__card-number { position: static; font-size: clamp(48px, 6vw, 76px); }

.modules__card-number {
    position: absolute;
    top: 20px;
    right: 28px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-muted-fg);
    font-variant-numeric: tabular-nums;
}
.modules__card-icon {
    display: inline-flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #FDFCF7;
    margin-bottom: 24px;
    transition: transform var(--dur-slow) var(--ease-emphasized);
}
.modules__card:hover .modules__card-icon { transform: rotate(-3deg) scale(1.06); }
.modules__card-title {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
    color: var(--color-primary);
}
.modules__card-text { color: var(--color-muted-fg); font-size: 15px; line-height: 1.65; }

/* ---------- 10. MOCKUP (materials/planning) ---------- */
.mockup {
    margin: 0 auto 64px;
    max-width: 1080px;
}
.mockup__window {
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--inner-highlight);
}
.mockup__titlebar {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 20px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-hairline);
}
.mockup__dots { display: inline-flex; gap: 6px; }
.mockup__dots span { width: 10px; height: 10px; border-radius: 999px; }
.mockup__dots span:nth-child(1) { background: #E8746C; }
.mockup__dots span:nth-child(2) { background: #E8B75D; }
.mockup__dots span:nth-child(3) { background: #8CC27F; }
.mockup__titlebar-text { font-size: 13px; color: var(--color-muted-fg); font-weight: 500; letter-spacing: 0.01em; }

.mockup__body { padding: 24px 28px 28px; }
.mockup__tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--color-hairline);
    margin-bottom: 22px;
    padding-bottom: 0;
}
.mockup__tab {
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-muted-fg);
    cursor: default;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}
.mockup__tab--active { color: var(--color-accent); border-color: var(--color-accent); }

.mockup__content { display: flex; flex-direction: column; gap: 18px; }

.mockup__stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mockup__stat-box {
    padding: 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--color-hairline);
}
.mockup__stat-box--accent { background: linear-gradient(135deg, rgba(30,111,186,0.10), rgba(30,111,186,0.02)); border-color: rgba(30,111,186,0.18); }
.mockup__stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted-fg); font-weight: 600; margin-bottom: 6px; }
.mockup__stat-val { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--color-primary); font-variant-numeric: tabular-nums; }

.mockup__filter-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.mockup__filter { padding: 6px 12px; background: var(--color-bg-alt); border: 1px solid var(--color-hairline); border-radius: 999px; font-size: 12px; color: var(--color-muted-fg); }

.mockup__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.mockup__table th {
    text-align: left;
    padding: 12px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted-fg);
    border-bottom: 1px solid var(--color-hairline);
}
.mockup__table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--color-hairline);
    color: var(--color-primary);
}
.mockup__table tr:last-child td { border-bottom: none; }

.mockup__badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.mockup__badge--blue { background: rgba(30,111,186,0.10); color: var(--color-accent); }
.mockup__badge--yellow { background: rgba(232,183,93,0.18); color: #8B6B20; }
.mockup__badge--green { background: rgba(140,194,127,0.18); color: #3F6F36; }
.mockup__badge--red { background: rgba(192,57,43,0.10); color: var(--color-destructive); }

/* ---------- 11. MATERIALS / PLANNING features ---------- */
.materials__features, .planning__benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.materials__feature, .planning__benefit {
    padding: 32px 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
    transition: transform var(--dur-slow) var(--ease-emphasized), box-shadow var(--dur-slow) var(--ease-emphasized), border-color var(--dur-base) var(--ease-standard);
}
.materials__feature:hover, .planning__benefit:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}
.materials__feature-icon {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    margin-bottom: 20px;
}
.materials__feature h3, .planning__benefit strong {
    display: block;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 10px;
    color: var(--color-primary);
}
.materials__feature p, .planning__benefit p {
    color: var(--color-muted-fg);
    font-size: 14px;
    line-height: 1.65;
}

.planning__benefit {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 28px;
}
.planning__benefit svg { flex-shrink: 0; margin-top: 4px; }
.planning__benefit > div { flex: 1; min-width: 0; }

/* ---------- 12. CHANGES ---------- */
.changes__grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.changes__content .section__label { margin-bottom: 16px; }
.changes__text {
    font-size: var(--fs-body-lg);
    color: var(--color-muted-fg);
    margin-bottom: 28px;
    line-height: var(--lh-body);
}
.changes__list { display: flex; flex-direction: column; gap: 14px; }
.changes__list li {
    padding: 16px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--color-primary);
    line-height: 1.6;
    transition: border-color var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
}
.changes__list li:hover { border-color: var(--color-accent); transform: translateX(4px); }
.changes__list li strong { color: var(--color-accent); }

.changes__flow {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}
.changes__flow-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    font-weight: 600;
    color: var(--color-primary);
    border: 1px solid var(--color-hairline);
}
.changes__flow-item--accent { background: linear-gradient(135deg, rgba(30,111,186,0.12), rgba(30,111,186,0.04)); border-color: rgba(30,111,186,0.2); color: var(--color-accent); }
.changes__flow-icon {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--color-surface);
    color: var(--color-accent);
    border: 1px solid var(--color-hairline);
}
.changes__flow-arrow { text-align: center; color: var(--color-muted-fg); font-size: 18px; line-height: 1; }

/* ---------- 13. RESULTS ---------- */
.results__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 64px;
}
.results__card { flex: 1 1 220px; max-width: 280px; }
.results__card {
    position: relative;
    padding: 36px 30px 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--dur-slow) var(--ease-emphasized), box-shadow var(--dur-slow) var(--ease-emphasized), border-color var(--dur-base) var(--ease-standard);
}
.results__card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--color-accent-2);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--dur-slow) var(--ease-emphasized);
}
.results__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.results__card:hover::before { transform: scaleX(1); }
.results__icon {
    display: inline-flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--color-accent-2-soft);
    color: #8B6B20;
    margin-bottom: 22px;
    transition: transform var(--dur-slow) var(--ease-emphasized);
}
.results__card:hover .results__icon { transform: rotate(-3deg) scale(1.08); }
.results__card-title { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 10px; color: var(--color-primary); }
.results__card-text { color: var(--color-muted-fg); font-size: 14px; line-height: 1.6; }

.results__quote {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 52px;
    background: var(--color-primary);
    color: #FDFCF7;
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}
.results__quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 30px;
    font-size: 180px;
    color: var(--color-accent-2);
    line-height: 1;
    font-family: Georgia, serif;
    opacity: 0.35;
}
.results__quote p {
    position: relative;
    font-size: clamp(20px, 2.2vw, 26px);
    line-height: 1.4;
    margin-bottom: 20px;
    font-weight: 500;
    letter-spacing: -0.01em;
}
.results__quote footer {
    position: relative;
    font-size: 14px;
    color: rgba(253,252,247,0.7);
    font-weight: 500;
    line-height: 1.5;
}

/* ---------- 14. CONTACT ---------- */
.contact { background: var(--color-bg-alt); }
.contact__grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 64px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}
.contact__info { padding: 40px 0; }
.contact__person { display: flex; align-items: center; gap: 18px; margin-bottom: 32px; }
.contact__avatar {
    width: 64px; height: 64px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--color-primary); color: #FDFCF7;
    font-weight: 800; font-size: 20px; letter-spacing: 0.02em;
    box-shadow: var(--shadow-md), var(--inner-highlight);
}
.contact__name { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; color: var(--color-primary); margin-bottom: 4px; }
.contact__role { color: var(--color-muted-fg); font-size: 14px; font-weight: 500; }
.contact__channels { display: flex; flex-direction: column; gap: 10px; }
.contact__channel {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--color-surface);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 15px;
    color: var(--color-primary);
    transition: transform var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.contact__channel:hover { transform: translateX(4px); border-color: var(--color-accent); color: var(--color-accent); }
.contact__channel svg { color: var(--color-accent); flex-shrink: 0; }

.contact__form { padding: 40px; background: var(--color-surface); border: 1px solid var(--color-hairline); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); }
.contact__form-group { margin-bottom: 20px; position: relative; }
.contact__form-label { display: block; font-size: 13px; font-weight: 600; color: var(--color-primary); margin-bottom: 8px; letter-spacing: 0.02em; }
.contact__form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--color-primary);
    transition: border-color var(--dur-base) var(--ease-standard),
                background var(--dur-base) var(--ease-standard),
                box-shadow var(--dur-slow) var(--ease-emphasized);
    font-family: inherit;
    line-height: 1.5;
}
.contact__form-input::placeholder { color: var(--color-muted-fg); opacity: 0.7; }
.contact__form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-surface);
    box-shadow: 0 0 0 4px rgba(30,111,186,0.15);
}
.contact__form-textarea { resize: vertical; min-height: 120px; }

/* ---------- 15. FOOTER ---------- */
.footer {
    padding: 48px 0;
    background: var(--color-primary);
    color: rgba(253,252,247,0.65);
}
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.footer__brand { display: inline-flex; align-items: center; gap: 12px; color: #FDFCF7; font-weight: 700; font-size: 15px; }
.footer__brand svg rect { fill: var(--color-accent); }
.footer__copy { font-size: 13px; }

/* ---------- 16. SCROLL REVEALS ---------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px) scale(0.985);
    filter: blur(8px);
    transition: opacity var(--dur-reveal) var(--ease-out-expo),
                transform var(--dur-reveal) var(--ease-out-expo),
                filter var(--dur-reveal) var(--ease-out-expo);
    will-change: opacity, transform, filter;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

/* stagger delays */
.problems__grid .animate-on-scroll:nth-child(2) { transition-delay: 80ms; }
.problems__grid .animate-on-scroll:nth-child(3) { transition-delay: 160ms; }
.problems__grid .animate-on-scroll:nth-child(4) { transition-delay: 240ms; }

.modules__grid .animate-on-scroll:nth-child(2) { transition-delay: 60ms; }
.modules__grid .animate-on-scroll:nth-child(3) { transition-delay: 120ms; }
.modules__grid .animate-on-scroll:nth-child(4) { transition-delay: 180ms; }
.modules__grid .animate-on-scroll:nth-child(5) { transition-delay: 240ms; }
.modules__grid .animate-on-scroll:nth-child(6) { transition-delay: 300ms; }
.modules__grid .animate-on-scroll:nth-child(7) { transition-delay: 360ms; }

.results__grid .animate-on-scroll:nth-child(2) { transition-delay: 60ms; }
.results__grid .animate-on-scroll:nth-child(3) { transition-delay: 120ms; }
.results__grid .animate-on-scroll:nth-child(4) { transition-delay: 180ms; }
.results__grid .animate-on-scroll:nth-child(5) { transition-delay: 240ms; }

.solution__features .animate-on-scroll:nth-child(2) { transition-delay: 50ms; }
.solution__features .animate-on-scroll:nth-child(3) { transition-delay: 100ms; }
.solution__features .animate-on-scroll:nth-child(4) { transition-delay: 150ms; }
.solution__features .animate-on-scroll:nth-child(5) { transition-delay: 200ms; }
.solution__features .animate-on-scroll:nth-child(6) { transition-delay: 250ms; }
.solution__features .animate-on-scroll:nth-child(7) { transition-delay: 300ms; }

.materials__features .animate-on-scroll:nth-child(2),
.planning__benefits .animate-on-scroll:nth-child(2) { transition-delay: 80ms; }
.materials__features .animate-on-scroll:nth-child(3),
.planning__benefits .animate-on-scroll:nth-child(3) { transition-delay: 160ms; }
.materials__features .animate-on-scroll:nth-child(4),
.planning__benefits .animate-on-scroll:nth-child(4) { transition-delay: 240ms; }

/* hero entrance delays — staggered intro */
.hero__eyebrow.animate-on-scroll { transition-delay: 0ms; }
.hero__subtitle.animate-on-scroll { transition-delay: 360ms; }
.hero__actions.animate-on-scroll { transition-delay: 520ms; }
.hero__stats.animate-on-scroll { transition-delay: 640ms; }
.hero__visual.animate-on-scroll { transition-delay: 300ms; }

/* ---------- 17. RESPONSIVE ---------- */
@media (max-width: 1120px) {
    .hero__inner { grid-template-columns: 1fr; gap: 60px; }
    .hero__title { max-width: 22ch; }
    .changes__grid { grid-template-columns: 1fr; gap: 48px; }
    .contact__grid { grid-template-columns: 1fr; gap: 40px; }
    .problems__grid { grid-template-columns: repeat(2, 1fr); }
    .section__header { margin-bottom: 56px; }
}

@media (max-width: 768px) {
    :root {
        --space-section: clamp(72px, 10vh, 120px);
    }
    .header__nav {
        position: fixed;
        top: var(--header-h); left: 0; right: 0;
        background: var(--color-bg);
        padding: 20px var(--space-gutter) 32px;
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--dur-slow) var(--ease-emphasized), opacity var(--dur-base) var(--ease-standard);
        border-bottom: 1px solid var(--color-hairline);
        box-shadow: var(--shadow-lg);
    }
    .header.is-menu-open .header__nav { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .header__nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
    .header__nav-link { padding: 14px 16px; font-size: 16px; }
    .header__nav-mobile-only { display: block; }
    .header__nav-link--portal { color: var(--color-accent); font-weight: 700; }

    .header__portal, .header__cta { display: none; }
    .header__burger { display: block; }

    .hero__stats { grid-template-columns: 1fr; gap: 18px; }
    .hero__stat { border-left: none; padding-left: 0; border-top: 1px solid var(--color-hairline); padding-top: 18px; }
    .hero__stat:first-child { border-top: none; padding-top: 0; }

    .problems__grid { grid-template-columns: 1fr; }
    .problems__grid .problems__card:first-child { grid-column: auto; }

    .solution__formula {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 32px 24px;
    }
    .solution__formula-arrow { transform: rotate(90deg); }

    .modules__card--wide { grid-template-columns: 1fr; text-align: left; }
    .modules__card--wide .modules__card-number { display: none; }

    .mockup__stats-row { grid-template-columns: repeat(2, 1fr); }
    .mockup__tabs { overflow-x: auto; flex-wrap: nowrap; }
    .mockup__tab { flex-shrink: 0; }
    .mockup__table { font-size: 12px; }
    .mockup__table th, .mockup__table td { padding: 8px 6px; }
    .mockup__body { padding: 16px 18px 20px; }

    .section__header { margin-bottom: 48px; }

    .contact__form { padding: 28px 24px; }
    .results__quote { padding: 36px 28px; }

    .btn--lg { padding: 15px 24px; font-size: 14px; }
    .hero { padding-top: calc(var(--header-h) + 48px); }
}

@media (max-width: 480px) {
    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__actions .btn { justify-content: center; }
}

/* ---------- 18. 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;
    }
    .animate-on-scroll { opacity: 1; transform: none; filter: none; }
    .hero__title .word__inner { transform: none; opacity: 1; filter: none; }
    .hero__dash-bar-fill { width: var(--fill, 0%) !important; animation: none; }
    .hero__dash-svg polyline:first-child { stroke-dashoffset: 0 !important; }
    .hero__dash-tag--accent { animation: none; }
}

/* ---------- 19. UTILITY ---------- */
[hidden] { display: none !important; }
.is-no-scroll { overflow: hidden; }