/* =========================================================
   BUSINESS360 — Identité visuelle et structure générale
   ========================================================= */

:root {
    --color-primary: #123451;
    --color-primary-dark: #0b2439;
    --color-secondary: #13a89e;
    --color-secondary-dark: #0b817b;
    --color-accent: #f2b84b;
    --color-text: #263747;
    --color-muted: #637486;
    --color-background: #ffffff;
    --color-surface: #f3f7fa;
    --color-border: #e0e8ee;
    --color-white: #ffffff;

    --font-main: "Inter", "Segoe UI", Arial, sans-serif;

    --container-width: 1180px;
    --radius-small: 10px;
    --radius-medium: 18px;
    --radius-large: 28px;

    --shadow-soft: 0 12px 36px rgba(18, 52, 81, 0.08);
    --shadow-card: 0 8px 26px rgba(18, 52, 81, 0.07);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

h1,
h2,
h3 {
    margin-top: 0;
    color: var(--color-primary);
    line-height: 1.2;
    letter-spacing: -0.035em;
}

h1 {
    margin-bottom: 22px;
    font-size: clamp(2.6rem, 5vw, 4.5rem);
    font-weight: 800;
}

h2 {
    margin-bottom: 22px;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 750;
}

h3 {
    margin-bottom: 14px;
    font-size: 1.35rem;
    font-weight: 700;
}

p {
    margin-top: 0;
    margin-bottom: 18px;
}

.container {
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}

.section {
    padding: 100px 0;
}

.section__narrow {
    max-width: 850px;
}

.section__heading {
    max-width: 780px;
    margin: 0 auto 52px;
    text-align: center;
}

.section__heading > p:last-child {
    color: var(--color-muted);
    font-size: 1.08rem;
}

.section__highlight {
    margin: 30px 0;
    color: var(--color-secondary-dark);
    font-size: 1.45rem;
    font-weight: 750;
}

.section__note {
    margin: 30px auto 0;
    max-width: 850px;
    color: var(--color-muted);
    font-size: 0.9rem;
    text-align: center;
}

.eyebrow {
    margin-bottom: 16px;
    color: var(--color-secondary-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    line-height: 1.5;
    text-transform: uppercase;
}

.btn {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 23px;
    border: 2px solid transparent;
    border-radius: 9px;
    font-size: 0.95rem;
    font-weight: 750;
    line-height: 1.25;
    text-align: center;
    transition:
        background-color 180ms ease,
        color 180ms ease,
        border-color 180ms ease,
        transform 180ms ease,
        box-shadow 180ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:focus-visible,
a:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

.btn--primary {
    color: var(--color-white);
    background: var(--color-secondary-dark);
    box-shadow: 0 6px 16px rgba(11, 129, 123, 0.18);
}

.btn--primary:hover {
    background: #086e69;
    box-shadow: 0 9px 22px rgba(11, 129, 123, 0.25);
}

.btn--secondary {
    color: var(--color-primary);
    border-color: #cbd9e3;
    background: var(--color-white);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    background: #f7fafc;
}

.btn--small {
    min-height: 43px;
    padding: 11px 16px;
    font-size: 0.86rem;
}

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

.btn--light:hover {
    background: #eaf4f7;
}

.btn--outline-light {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.7);
    background: transparent;
}

.btn--outline-light:hover {
    color: var(--color-primary);
    background: var(--color-white);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary-dark);
    font-weight: 750;
}

.text-link span {
    transition: transform 180ms ease;
}

.text-link:hover span {
    transform: translateX(4px);
}

/* Hero */

.hero {
    position: relative;
    overflow: hidden;
    padding: 82px 0 90px;
    background:
        radial-gradient(ellipse at 92% 12%, rgba(19, 168, 158, 0.12), transparent 35%),
        linear-gradient(135deg, #f5f9fc 0%, #ffffff 58%, #edf8f7 100%);
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    align-items: center;
    gap: 68px;
}

.hero__content {
    max-width: 680px;
}

.hero h1 span {
    display: block;
    color: var(--color-secondary-dark);
}

.hero h2 {
    max-width: 600px;
    margin-bottom: 20px;
    font-size: clamp(1.25rem, 2vw, 1.65rem);
    font-weight: 650;
    letter-spacing: -0.025em;
}

.hero__description {
    color: var(--color-primary);
    font-size: 1.12rem;
    font-weight: 550;
}

.hero__content > p:not(.eyebrow):not(.hero__description):not(.hero__reassurance) {
    color: var(--color-muted);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.hero__reassurance {
    margin-top: 24px;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.hero__visual {
    position: relative;
    min-height: 420px;
    padding: 12px;
    border: 1px solid rgba(18, 52, 81, 0.08);
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-soft);
}

.hero__visual > img {
    width: 100%;
    height: 420px;
    border-radius: 20px;
    object-fit: cover;
    background: #e8f0f4;
}

.hero__visual-caption {
    position: absolute;
    right: 28px;
    bottom: 28px;
    left: 28px;
    display: grid;
    gap: 4px;
    padding: 19px 22px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(10px);
}

.hero__visual-caption strong {
    color: var(--color-primary);
    font-size: 1.02rem;
}

.hero__visual-caption span {
    color: var(--color-muted);
    font-size: 0.87rem;
}

/* Sections */

.section--problem {
    background: var(--color-white);
}

.section--problem .section__narrow > p {
    color: var(--color-muted);
    font-size: 1.04rem;
}

.section--problem .section__highlight {
    color: var(--color-primary);
}

.section--solutions {
    background: var(--color-surface);
}

.section--benefits {
    background: var(--color-white);
}

.section--approach {
    background: #f3f8fa;
}

.approach__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    align-items: center;
    gap: 64px;
}

.approach__content > p:not(.eyebrow) {
    color: var(--color-muted);
}

.check-list {
    display: grid;
    gap: 15px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 34px;
}

.check-list li::before {
    position: absolute;
    top: 1px;
    left: 0;
    display: grid;
    width: 23px;
    height: 23px;
    place-items: center;
    border-radius: 50%;
    color: var(--color-white);
    background: var(--color-secondary-dark);
    content: "✓";
    font-size: 0.78rem;
    font-weight: 800;
}

.approach__statement {
    padding: 40px;
    border: 1px solid #dce9ee;
    border-radius: var(--radius-large);
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
}

.approach__statement h3 {
    font-size: clamp(1.7rem, 3vw, 2.25rem);
    line-height: 1.28;
}

.approach__statement > p:not(.eyebrow) {
    color: var(--color-muted);
}

.approach__statement .text-link {
    margin-top: 14px;
}

/* Appel à l'action */

.section--cta {
    padding: 80px 0;
    background: var(--color-white);
}

.cta-panel {
    position: relative;
    overflow: hidden;
    padding: 64px 40px;
    border-radius: var(--radius-large);
    color: var(--color-white);
    background:
        radial-gradient(circle at 95% 0%, rgba(19, 168, 158, 0.36), transparent 34%),
        linear-gradient(125deg, var(--color-primary-dark), var(--color-primary));
    text-align: center;
}

.cta-panel .eyebrow {
    color: #8ee2d8;
}

.cta-panel h2 {
    max-width: 760px;
    margin-inline: auto;
    color: var(--color-white);
}

.cta-panel > p:not(.eyebrow) {
    max-width: 680px;
    margin: 0 auto 28px;
    color: rgba(255, 255, 255, 0.83);
    font-size: 1.08rem;
}

.cta-panel__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}