/* =========================================================
   SYSTEMEGC.COM
   STYLE.CSS — PAGE D'ACCUEIL BILINGUE FR / EN
   ========================================================= */

/* =========================================================
   01 — VARIABLES GLOBALES
   ========================================================= */

:root {
    --gc-green: #4f9222;
    --gc-green-light: #69ad2d;
    --gc-green-dark: #376b17;

    --gc-black: #05080b;
    --gc-black-deep: #020406;

    --gc-navy: #07111b;
    --gc-navy-light: #0d1b28;
    --gc-navy-soft: #101f2c;

    --gc-gold: #d6a143;
    --gc-gold-light: #f0bd64;
    --gc-gold-dark: #9c712d;

    --gc-white: #f5f3ed;
    --gc-white-soft: #e5e3dd;

    --gc-grey: #aab0b5;
    --gc-grey-light: #c7ccd0;
    --gc-grey-dark: #777f84;

    --gc-border: rgba(214, 161, 67, 0.28);
    --gc-border-soft: rgba(214, 161, 67, 0.16);

    --max-width: 1280px;
    --transition: 0.3s ease;
}

/* =========================================================
   02 — RESET
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.65;
    color: var(--gc-white);
    background:
        radial-gradient(circle at 20% 10%, rgba(79, 146, 34, 0.05), transparent 28%),
        radial-gradient(circle at 80% 50%, rgba(214, 161, 67, 0.05), transparent 32%),
        var(--gc-black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

button {
    cursor: pointer;
}

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

/* =========================================================
   03 — CONTENEUR
   ========================================================= */

.container {
    width: min(92%, var(--max-width));
    margin-inline: auto;
}

/* =========================================================
   04 — HEADER
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 8, 11, 0.93);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(214, 161, 67, 0.18);
}

.header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

/* =========================================================
   05 — LOGO / MARQUE
   ========================================================= */

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.brand img {
    width: 105px;
    height: auto;
    transition: transform var(--transition);
}

.brand:hover img {
    transform: scale(1.03);
}

.brand-text {
    color: var(--gc-grey);
    font-size: 0.82rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* =========================================================
   06 — NAVIGATION PRINCIPALE
   ========================================================= */

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
}

.main-nav a {
    position: relative;
    padding: 30px 0;
    color: #d9dde0;
    font-size: 0.84rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color var(--transition), opacity var(--transition);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 21px;
    height: 1px;
    background: var(--gc-gold);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.main-nav a:hover {
    color: var(--gc-gold-light);
}

.main-nav a:hover::after {
    transform: scaleX(1);
}

/* =========================================================
   07 — SÉLECTEUR DE LANGUE
   ========================================================= */

.language-switch {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid var(--gc-border);
    border-radius: 30px;
}

.language-switch button {
    padding: 9px 13px;
    border: 0;
    outline: none;
    color: var(--gc-grey);
    background: transparent;
    font-size: 0.8rem;
    font-weight: 700;
    transition: background var(--transition), color var(--transition);
}

.language-switch button:hover {
    color: #fff;
}

.language-switch button.active {
    color: #fff;
    background: var(--gc-green);
}

/* =========================================================
   08 — MENU MOBILE
   ========================================================= */

.menu-toggle {
    display: none;
    padding: 8px 12px;
    border: 1px solid var(--gc-border);
    border-radius: 4px;
    color: #fff;
    background: transparent;
    font-size: 1.15rem;
}

/* =========================================================
   09 — HERO
   ========================================================= */

.hero {
    position: relative;
    min-height: calc(100vh - 82px);
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid rgba(214, 161, 67, 0.18);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        90deg,
        rgba(5, 8, 11, 0.98) 0%,
        rgba(5, 8, 11, 0.91) 46%,
        rgba(5, 8, 11, 0.62) 100%
    );
}

.hero::after {
    content: "";
    position: absolute;
    right: -10%;
    bottom: -35%;
    width: 750px;
    height: 750px;
    border: 1px solid rgba(214, 161, 67, 0.15);
    border-radius: 50%;
    box-shadow:
        0 0 0 80px rgba(214, 161, 67, 0.025),
        0 0 0 160px rgba(214, 161, 67, 0.02);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 880px;
    padding: 110px 0;
}

.eyebrow {
    margin-bottom: 22px;
    color: var(--gc-gold);
    font-size: 0.88rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

/* =========================================================
   10 — HERO : TITRE AVEC LOGO GC
   ========================================================= */

.hero-title {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-bottom: 28px;
}

.hero-gc-logo {
    width: clamp(150px, 18vw, 260px);
    height: auto;
    flex-shrink: 0;
}

.hero-system-title {
    color: var(--gc-white);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: 0.02em;
}

.hero-tagline {
    margin-bottom: 25px;
    color: var(--gc-gold-light);
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    font-weight: 400;
}

.hero-description {
    max-width: 780px;
    margin-bottom: 38px;
    color: #c8cdd1;
    font-size: 1.15rem;
}

.hero-principles {
    margin-bottom: 38px;
    padding-left: 22px;
    border-left: 2px solid var(--gc-gold);
    color: #f0eee8;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.8;
}

/* =========================================================
   11 — BOUTONS
   ========================================================= */

.button-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition:
        background var(--transition),
        border-color var(--transition),
        color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

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

.btn-primary {
    color: #fff;
    background: var(--gc-green);
    border: 1px solid var(--gc-green);
}

.btn-primary:hover {
    background: var(--gc-green-light);
    border-color: var(--gc-green-light);
    box-shadow: 0 8px 25px rgba(79, 146, 34, 0.18);
}

.btn-secondary {
    color: var(--gc-gold-light);
    background: transparent;
    border: 1px solid var(--gc-gold);
}

.btn-secondary:hover {
    color: #fff;
    background: rgba(214, 161, 67, 0.1);
    border-color: var(--gc-gold-light);
}

/* =========================================================
   12 — SECTIONS GÉNÉRALES
   ========================================================= */

section {
    padding: 100px 0;
}

.section-dark {
    background: #05080b;
}

.section-alt {
    background: linear-gradient(
        180deg,
        rgba(11, 22, 32, 0.96),
        rgba(5, 8, 11, 1)
    );
}

/* =========================================================
   13 — EN-TÊTES DE SECTIONS
   ========================================================= */

.section-header {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-kicker {
    display: block;
    margin-bottom: 13px;
    color: var(--gc-gold);
    font-size: 0.82rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.section-header h2 {
    margin-bottom: 22px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.3rem, 5vw, 4.1rem);
    font-weight: 400;
    line-height: 1.08;
}

.section-header p {
    max-width: 820px;
    margin-inline: auto;
    color: #bcc2c6;
    font-size: 1.12rem;
}

.gold-line {
    width: 80px;
    height: 1px;
    margin: 24px auto;
    background: var(--gc-gold);
}

/* =========================================================
   14 — INTRODUCTION AU SYSTÈME
   ========================================================= */

.system-intro {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 70px;
}

.system-copy h3 {
    margin-bottom: 25px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2.1rem;
    font-weight: 400;
    line-height: 1.25;
}

.system-copy p {
    margin-bottom: 20px;
    color: #c3c8cb;
    font-size: 1.06rem;
}

/* =========================================================
   15 — FLUX COMPRENDRE → ÉVOLUER
   ========================================================= */

.system-flow {
    display: grid;
    gap: 12px;
}

.flow-step {
    position: relative;
    padding: 18px 20px;
    border-left: 2px solid var(--gc-gold);
    background: rgba(255, 255, 255, 0.025);
    transition:
        transform var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.flow-step:hover {
    transform: translateX(5px);
    background: rgba(214, 161, 67, 0.055);
    border-color: var(--gc-gold-light);
}

.flow-step strong {
    display: block;
    margin-bottom: 4px;
    color: var(--gc-gold-light);
    font-size: 0.83rem;
    letter-spacing: 0.1em;
}

.flow-step span {
    color: #c8cdd0;
    font-weight: 600;
    letter-spacing: 0.08em;
}

/* =========================================================
   16 — COLLECTION GC
   ========================================================= */

.books-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 42px;
}

.book-card {
    min-height: 520px;
    display: grid;
    grid-template-columns: minmax(250px, 42%) 1fr;
    overflow: hidden;
    background: #09111a;
    border: 1px solid rgba(214, 161, 67, 0.2);
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.book-card:hover {
    transform: translateY(-5px);
    border-color: rgba(214, 161, 67, 0.55);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

.book-cover {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #020406;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: filter 0.5s ease;
}

.book-card:hover .book-cover img {
    filter: brightness(1.04);
}

.book-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 38px 32px;
}

.book-number {
    margin-bottom: 14px;
    color: var(--gc-gold);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.book-content h3 {
    margin-bottom: 18px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.7rem;
    font-weight: 400;
    line-height: 1.18;
}

.book-content p {
    margin-bottom: 28px;
    color: #b7bec2;
}

.book-content .btn {
    margin-top: auto;
    align-self: flex-start;
}

/* =========================================================
   17 — PROGRESSION GC-101 À GC-104
   ========================================================= */

.progression {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid var(--gc-border);
}

.progression-item {
    position: relative;
    padding: 40px 28px;
    border-right: 1px solid var(--gc-border);
    background: rgba(255, 255, 255, 0.018);
    transition: background var(--transition), transform var(--transition);
}

.progression-item:last-child {
    border-right: 0;
}

.progression-item:hover {
    background: rgba(214, 161, 67, 0.04);
}

.progression-number {
    color: var(--gc-gold);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2.4rem;
}

.progression-item h3 {
    margin: 15px 0;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.progression-item p {
    color: #afb6ba;
    font-size: 0.96rem;
}

/* =========================================================
   18 — ARCHITECTURE DU RÉSEAU
   ========================================================= */

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.architecture-card {
    position: relative;
    padding: 30px 22px;
    border-top: 2px solid var(--gc-gold);
    background: rgba(255, 255, 255, 0.025);
    transition:
        transform var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.architecture-card:hover {
    transform: translateY(-4px);
    background: rgba(214, 161, 67, 0.045);
    border-color: var(--gc-gold-light);
}

.architecture-card h3 {
    margin-bottom: 14px;
    color: var(--gc-gold-light);
    font-size: 0.92rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.architecture-card p {
    color: #b8bec2;
    font-size: 0.95rem;
}

/* =========================================================
   19 — LES DEUX PYRAMIDES DU GOLF
   VIGNETTE CENTRÉE + OUVERTURE IMAGE ORIGINALE
   ========================================================= */

.pyramid-section {
    padding: 100px 0;
}


.pyramid-image-wrapper {
    width: 100%;

    display: flex;

    justify-content: center;

    align-items: center;

    margin: 0 auto;
}


.pyramid-image-link {
    display: block;

    width: 100%;

    max-width: 580px;

    margin: 0 auto;

    overflow: hidden;

    border: 1px solid rgba(214, 161, 67, 0.30);

    background: #ffffff;

    cursor: zoom-in;

    box-sizing: border-box;

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}


.pyramid-image-link:hover {
    transform: translateY(-4px);

    border-color: var(--gc-gold);

    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.35);
}


.pyramid-image {
    display: block;

    width: 100%;

    max-width: 580px;

    height: auto;

    margin: 0 auto;

    object-fit: contain;
}


.pyramid-zoom-label {
    display: block;

    width: 100%;

    padding: 12px 20px;

    background: #07111b;

    color: var(--gc-gold-light);

    text-align: center;

    text-transform: uppercase;

    letter-spacing: 0.12em;

    font-size: 0.75rem;

    font-weight: 700;
}


/* =========================================================
   21 — PRINCIPES GC
   ========================================================= */

.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.principle {
    position: relative;
    padding: 32px;
    border: 1px solid rgba(214, 161, 67, 0.18);
    background: rgba(5, 8, 11, 0.45);
    transition:
        transform var(--transition),
        border-color var(--transition),
        background var(--transition);
}

.principle:hover {
    transform: translateY(-4px);
    border-color: rgba(214, 161, 67, 0.48);
    background: rgba(255, 255, 255, 0.025);
}

.principle span {
    display: block;
    margin-bottom: 14px;
    color: var(--gc-green-light);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
}

.principle h3 {
    margin-bottom: 14px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.25;
}

.principle p {
    color: #b6bdc1;
}

/* =========================================================
   22 — VISION
   ========================================================= */

.vision-block {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.vision-block p {
    margin-bottom: 25px;
    color: #c3c8cc;
    font-size: 1.15rem;
}

.vision-highlight {
    padding: 40px 0;
    color: var(--gc-white);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.25;
}

.vision-highlight strong {
    color: var(--gc-green-light);
    font-weight: 400;
}

/* =========================================================
   23 — SECTION FINALE / CTA
   ========================================================= */

.final-cta {
    text-align: center;
    background:
        radial-gradient(circle at center, rgba(79, 146, 34, 0.09), transparent 50%),
        #071019;
}

.final-cta h2 {
    margin-bottom: 20px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.12;
}

.final-cta p {
    max-width: 760px;
    margin: 0 auto 25px;
    color: #bdc3c7;
    font-size: 1.08rem;
}

.final-cta .button-row {
    justify-content: center;
    margin-top: 35px;
}

/* =========================================================
   24 — FOOTER
   ========================================================= */

footer {
    padding: 55px 0 30px;
    background: var(--gc-black-deep);
    border-top: 1px solid rgba(214, 161, 67, 0.18);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo {
    width: 120px;
    height: auto;
    margin-bottom: 20px;
}

.footer-about {
    max-width: 450px;
    color: #90999e;
}

.footer-contact {
    margin-top: 18px;
}

.footer-contact a {
    color: var(--gc-gold);
    font-size: 0.95rem;
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--gc-gold-light);
}

.footer-title {
    margin-bottom: 15px;
    color: var(--gc-gold);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.footer-links {
    display: grid;
    gap: 8px;
}

.footer-links a {
    color: #aab2b6;
    transition: color var(--transition), transform var(--transition);
}

.footer-links a:hover {
    color: var(--gc-gold-light);
    transform: translateX(3px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--gc-grey-dark);
    font-size: 0.86rem;
}

/* =========================================================
   25 — ACCESSIBILITÉ
   ========================================================= */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--gc-gold-light);
    outline-offset: 4px;
}

/* =========================================================
   26 — RESPONSIVE : ÉCRANS ≤ 1100 PX
   ========================================================= */

@media (max-width: 1100px) {
    .main-nav {
        gap: 15px;
    }

    .main-nav a {
        font-size: 0.72rem;
    }

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

    .book-card {
        grid-template-columns: minmax(280px, 38%) 1fr;
    }

    .architecture-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .progression {
        grid-template-columns: repeat(2, 1fr);
    }

    .progression-item:nth-child(2) {
        border-right: 0;
    }

    .progression-item:nth-child(-n + 2) {
        border-bottom: 1px solid var(--gc-border);
    }
}

/* =========================================================
   27 — RESPONSIVE : TABLETTE ≤ 850 PX
   ========================================================= */

@media (max-width: 850px) {
    .header-inner {
        flex-wrap: wrap;
        padding: 12px 0;
    }

    .menu-toggle {
        display: block;
        margin-left: auto;
    }

    .main-nav {
        display: none;
        width: 100%;
        order: 10;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 8px 0 15px;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        width: 100%;
        padding: 11px 0;
        font-size: 0.82rem;
    }

    .main-nav a::after {
        display: none;
    }

    .language-switch {
        margin-left: 10px;
    }

    .hero {
        min-height: auto;
    }

    .system-intro {
        grid-template-columns: 1fr;
    }

    .book-card {
        grid-template-columns: minmax(250px, 42%) 1fr;
    }

    .architecture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* =========================================================
   28 — RESPONSIVE : MOBILE ≤ 650 PX
   ========================================================= */

@media (max-width: 650px) {
    section {
        padding: 75px 0;
    }

    .container {
        width: min(90%, var(--max-width));
    }

    /* Header */
    .brand-text {
        display: none;
    }

    .brand img {
        width: 82px;
    }

    .language-switch button {
        padding: 7px 10px;
    }

    /* Hero */
    .hero-inner {
        padding: 80px 0;
    }

    .eyebrow {
        font-size: 0.72rem;
        letter-spacing: 0.22em;
    }

    .hero-title {
        gap: 18px;
    }

    .hero-gc-logo {
        width: 115px;
    }

    .hero-system-title {
        font-size: clamp(2.8rem, 13vw, 4.5rem);
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .button-row {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    /* Collection GC */
    .book-card {
        grid-template-columns: 1fr;
        min-height: 0;
    }

    .book-cover {
        width: 100%;
        height: auto;
        display: block;
        background: #020406;
    }

    .book-cover img {
        width: 100%;
        height: auto;
        max-height: none;
        object-fit: contain;
        object-position: center;
    }

    .book-content {
        padding: 28px 24px;
    }

    .book-content .btn {
        align-self: stretch;
    }

    /* Progression */
    .progression {
        grid-template-columns: 1fr;
    }

    .progression-item {
        border-right: 0;
        border-bottom: 1px solid var(--gc-border);
    }

    .progression-item:last-child {
        border-bottom: 0;
    }

    /* Architecture */
    .architecture-grid {
        grid-template-columns: 1fr;
    }

       /* Principes */
    .principles-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* =========================================================
   29 — TRÈS PETITS ÉCRANS ≤ 420 PX
   ========================================================= */

@media (max-width: 420px) {
    .header-inner {
        gap: 10px;
    }

    .brand img {
        width: 72px;
    }

    .menu-toggle {
        padding: 6px 9px;
        font-size: 1rem;
    }

    .language-switch button {
        padding: 6px 8px;
        font-size: 0.72rem;
    }

    .hero-inner {
        padding: 65px 0;
    }

    .hero-title {
        gap: 12px;
    }

    .hero-gc-logo {
        width: 95px;
    }

    .hero-system-title {
        font-size: 2.7rem;
    }

    .section-header h2 {
        font-size: 2.15rem;
    }

    .section-header {
        margin-bottom: 45px;
    }

    .principle,
    .architecture-card,
    .progression-item {
        padding-left: 22px;
        padding-right: 22px;
    }
}

/* =========================================================
   30 — RÉDUCTION DES ANIMATIONS
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}