/* ============================================================
   LM Funnel Landing — restyled to "The Confident Operator"
   Design system borrowed from claude-course-landing:
   light cool-neutral base · one rationed yellow · dark gravity
   Copy & structure unchanged; only style/visibility reworked.
   ============================================================ */

:root {
    /* ---- Color ---- */
    --accent: #ffd60a;
    --accent-deep: #e6be00;
    --ink: #16171a;
    --ink-muted: #5c5e66;
    --base: #f2f2f4;
    --surface: #ffffff;
    --border: #e4e4e8;

    --dark: #0f0f12;
    --dark-surface: #1a1b1f;
    --dark-border: #2a2b30;
    --on-dark: #f4f4f6;
    --on-dark-muted: #a1a2a8;

    /* ---- Radius ---- */
    --r-sm: 10px;
    --r-md: 16px;
    --r-lg: 24px;
    --r-pill: 999px;

    /* ---- Typography ---- */
    --font-display: 'Unbounded', system-ui, sans-serif;
    --font-body: 'Golos Text', system-ui, sans-serif;

    --t-display: clamp(2rem, 5.2vw, 4rem);
    --t-headline: clamp(1.6rem, 3.4vw, 2.6rem);
    --t-title: clamp(1.125rem, 1.6vw, 1.375rem);
    --t-body: 1.0625rem;
    --t-label: 0.8125rem;

    /* ---- Elevation ---- */
    --sh-rest: 0 1px 2px rgba(16, 17, 26, 0.04), 0 8px 24px rgba(16, 17, 26, 0.05);
    --sh-hover: 0 2px 4px rgba(16, 17, 26, 0.06), 0 16px 40px rgba(16, 17, 26, 0.09);
    --sh-accent: 0 10px 30px rgba(255, 214, 10, 0.35);

    /* ---- Motion ---- */
    --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --dur-fast: 180ms;
    --dur-base: 420ms;

    color-scheme: light;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
    line-height: 1.4;
    text-decoration: none;
    border: none;
    font-family: var(--font-body);
    color: var(--ink);
}

html {
    font-size: 16px;
    background: var(--base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-synthesis: none;
}

body {
    font-family: var(--font-body);
    font-size: var(--t-body);
    line-height: 1.6;
    color: var(--ink);
    background: var(--base);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
    transition: opacity 0.3s ease;
}

body.loading {
    pointer-events: none;
    overflow: hidden;
}

html.fonts-loading body { visibility: hidden; }
html.fonts-ready body { visibility: visible; }

html main {
    overflow: hidden;
}

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

br.mobile {
    display: none;
}

.input-error {
    border: 1px solid #e63946 !important;
}

.phone-error {
    color: #e63946;
    font-size: .9rem;
    margin-top: calc(-1.5rem + .9rem);
    font-weight: bold;
    display: block;
    margin-bottom: .5rem;
}

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

:focus-visible {
    outline: 2px solid var(--ink);
    outline-offset: 3px;
}

/* ============================================================
   Shared CTA button — accent pill, dark ink text
   ============================================================ */
section.hero a,
section.benefits .offer > .right a {
    width: fit-content;
    max-width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.05rem 2rem;
    background: var(--accent);
    color: var(--ink);
    border-radius: var(--r-pill);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    line-height: 1.1;
    text-align: center;
    transition:
        background var(--dur-fast) var(--ease-expo),
        transform var(--dur-fast) var(--ease-expo),
        box-shadow var(--dur-fast) var(--ease-expo);
}

section.hero a:hover,
section.benefits .offer > .right a:hover {
    background: var(--accent-deep);
    transform: translateY(-2px);
    box-shadow: var(--sh-accent);
}

section.hero a:active,
section.benefits .offer > .right a:active {
    transform: translateY(0);
}

section.hero a svg,
section.benefits .offer > .right a svg {
    width: 1.6rem;
    height: 1.6rem;
    flex: none;
}

/* ============================================================
   HERO
   ============================================================ */
section.hero {
    padding: clamp(3rem, 7vw, 6rem) var(--gutter, clamp(1.25rem, 5vw, 4rem)) clamp(4rem, 8vw, 7rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
    background: radial-gradient(120% 80% at 50% 0%, #ffffff 0%, var(--base) 60%);
}

section.hero .tooltip-top,
section.hero .tooltip-top span {
    font-family: var(--font-body);
    font-size: var(--t-label);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-align: center;
}
section.hero .tooltip-top span {
    font-weight: 700;
    color: var(--ink);
}

section.hero .title {
    font-family: var(--font-display);
    font-size: var(--t-display);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    text-align: center;
    text-wrap: balance;
    max-width: 20ch;
}
section.hero .title span {
    background: var(--accent);
    color: var(--ink);
    border-radius: 0.1em;
    padding: 0 0.14em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

section.hero .tooltip-bottom {
    font-family: var(--font-body);
    font-size: clamp(1.0625rem, 1.6vw, 1.3rem);
    font-weight: 500;
    line-height: 1.5;
    color: var(--ink-muted);
    max-width: 60ch;
    text-wrap: pretty;
    padding: 0;
}

.video-wrapper {
    position: relative;
    width: min(100%, 1000px);
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--sh-rest);
    margin: 0.5rem auto 0;
}
.video-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    border-radius: var(--r-lg);
}
.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(12px);
    background: rgba(15, 15, 18, 0.35);
    z-index: 2;
    transition: opacity 1s ease, visibility 1s ease;
    pointer-events: all;
}
.video-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

section.hero a {
    margin: 0.75rem auto 0;
    /* primary action under the video — ~1.5x larger than the base CTA */
    padding: clamp(1.2rem, 2vw, 1.6rem) clamp(1.75rem, 3vw, 3rem);
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    gap: 1.1rem;
}
section.hero a svg {
    width: clamp(1.9rem, 2.6vw, 2.4rem);
    height: clamp(1.9rem, 2.6vw, 2.4rem);
}

/* ============================================================
   ABOUT — asymmetric bento of white cards
   ============================================================ */
section.about {
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 4vw, 3rem);
    align-items: center;
    padding: clamp(3.5rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
}

section.about .title {
    font-family: var(--font-display);
    font-size: var(--t-headline);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    text-align: center;
    text-wrap: balance;
}

section.about .content {
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vw, 1.5rem);
    width: 100%;
    max-width: 1100px;
}
section.about .content .top,
section.about .content .bottom {
    display: flex;
    gap: clamp(1rem, 2vw, 1.5rem);
    width: 100%;
}
section.about .content .top > .item:last-child,
section.about .content .bottom > .item:first-child {
    flex: 1.6;
}
section.about .content .top > .item:first-child,
section.about .content .bottom > .item:last-child {
    flex: 1;
}
section.about .content .item {
    padding: clamp(1.75rem, 3vw, 2.5rem);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--surface);
    box-shadow: var(--sh-rest);
    display: flex;
    align-items: flex-end;
    min-height: clamp(11rem, 20vw, 15rem);
    transition:
        transform var(--dur-base) var(--ease-expo),
        box-shadow var(--dur-base) var(--ease-expo);
    /* decorative background illustrations removed for the clean look */
    background-image: none;
}
section.about .content .item:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-hover);
}
section.about .content .item p,
section.about .content .item p span {
    font-family: var(--font-body);
    font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
    line-height: 1.45;
    color: var(--ink);
}
section.about .content .item p span {
    font-weight: 700;
}

/* ============================================================
   BENEFITS — white bento cards, dark offer block
   ============================================================ */
section.benefits {
    padding: clamp(3.5rem, 7vw, 6rem) clamp(1.25rem, 5vw, 4rem);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: center;
    background-image: none;
}

section.benefits .title,
section.benefits .title span {
    font-family: var(--font-display);
    font-size: var(--t-headline);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    text-align: center;
    text-wrap: balance;
}
section.benefits .title span {
    background: var(--accent);
    color: var(--ink);
    border-radius: 0.1em;
    padding: 0 0.14em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

section.benefits .pre {
    font-family: var(--font-body);
    font-size: var(--t-title);
    font-weight: 600;
    color: var(--ink-muted);
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

section.benefits .content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(0.75rem, 1.5vw, 1.25rem);
    width: 100%;
    max-width: 1100px;
}
section.benefits .content .item {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: clamp(1.25rem, 2vw, 1.75rem);
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    background-image: none;
    box-shadow: var(--sh-rest);
    justify-content: flex-start;
    transition:
        transform var(--dur-base) var(--ease-expo),
        box-shadow var(--dur-base) var(--ease-expo);
}
section.benefits .content .item:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-hover);
}

/* icon chip — black line icon on a quiet neutral tile */
section.benefits .content .item div {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    padding: 0;
    border-radius: var(--r-md);
    background: var(--base);
    border: 1px solid var(--border);
    box-shadow: none;
}
section.benefits .content .item img {
    width: 1.35rem;
    height: 1.35rem;
    min-width: 1.35rem;
    min-height: 1.35rem;
}

section.benefits .content .item > p,
section.benefits .content .item > p > span {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.1vw, 1.0625rem);
    line-height: 1.45;
    color: var(--ink);
    background: none;
    -webkit-text-fill-color: currentColor;
}
section.benefits .content .item p > span {
    color: var(--ink) !important;
    -webkit-text-fill-color: var(--ink);
    font-weight: 700;
}

/* the last card carries the accent — the single loud beat in the grid */
section.benefits .content .item:last-of-type {
    background: var(--accent);
    border-color: var(--accent);
    background-image: none;
}
section.benefits .content .item:last-of-type div {
    background: var(--ink);
    border-color: var(--ink);
}
section.benefits .content .item:last-of-type > p,
section.benefits .content .item:last-of-type > p > span {
    color: var(--ink);
    -webkit-text-fill-color: var(--ink);
}

/* ---- Offer block — the dark gravity moment ---- */
section.benefits .offer {
    display: flex;
    gap: clamp(1rem, 2vw, 1.5rem);
    margin-top: clamp(2rem, 4vw, 3.5rem);
    width: 100%;
    max-width: 1100px;
    background: var(--dark);
    border-radius: var(--r-lg);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    align-items: stretch;
}
section.benefits .offer > div {
    flex: 1;
}
section.benefits .offer > .left {
    display: flex;
    align-items: center;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.2vw, 2.75rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--on-dark);
}
section.benefits .offer > .right {
    padding: clamp(1.25rem, 2.5vw, 2rem);
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--r-lg);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
}
section.benefits .offer > .right img {
    width: 2.75rem;
    height: auto;
}
section.benefits .offer > .right p {
    font-family: var(--font-body);
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    line-height: 1.5;
    font-weight: 500;
    color: var(--on-dark);
    background: none;
    -webkit-text-fill-color: currentColor;
}
section.benefits .offer > .right a {
    margin-top: 0.25rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media only screen and (max-width: 1024px) {
    section.benefits .content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media only screen and (max-width: 830px) {
    section.hero .tooltip-top br,
    section.hero .tooltip-top span br,
    section.benefits .content .item > p br,
    section.about .content .item p br {
        display: none;
    }
    /* let big display headings reflow to the viewport instead of holding
       their designed line breaks and overflowing narrow screens */
    section.hero .title br,
    section.about .title br,
    section.benefits .title br {
        display: none;
    }
    section.hero .title,
    section.about .title,
    section.benefits .title,
    section.benefits .title span {
        overflow-wrap: anywhere;
        hyphens: auto;
        max-width: 100%;
    }
    section.about .content .top,
    section.about .content .bottom {
        flex-direction: column;
    }
    section.about .content .item {
        min-height: auto;
        padding: 1.5rem;
    }
    section.benefits .offer {
        flex-direction: column;
    }
    section.benefits .offer > .left {
        justify-content: center;
        text-align: center;
    }
}

@media only screen and (max-width: 560px) {
    :root {
        --t-display: clamp(1.5rem, 8vw, 2rem);
        --t-headline: clamp(1.4rem, 6.5vw, 1.85rem);
    }
    section.benefits .content {
        grid-template-columns: 1fr;
    }
    section.hero a {
        width: 100%;
    }
    section.hero .title span br {
        display: none;
    }
}