/* ================================================================ */
/* RESET & BASE                                                     */
/* ================================================================ */

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

/* ================================================================ */
/* PALETTE CORPORATE CRYPTOLOGIN                                    */
/* ================================================================ */

:root {
    /* Couleurs principales */
    --color-primary: #496779;        /* Deep Navy / Violet */
    --color-primary-dark: #00A8CC;   /* Black Deep */
    --color-primary-light: #045846;  /* Navy plus clair */
    
    /* Couleurs secondaires */
    --color-secondary: #F5A623;      /* Gold / Jaune */
    --color-secondary-dark: #D4891B; /* Gold foncé */
    --color-secondary-light: #F7C35A;/* Gold clair */
    
    /* Couleurs tertiaires */
    --color-tertiary: #00D4FF;       /* Cyan / Bleu électrique */
    --color-tertiary-dark: #00A8CC;  /* Cyan foncé */
    --color-tertiary-light: #66E5FF; /* Cyan clair */
    
    /* Couleurs neutres */
    --color-text: #F5F5F5;           /* Blanc cassé */
    --color-text-light: #D8D8DD;     /* Gris clair */
    --color-bg: #24323A;             /* Fond noir profond */
    --color-bg-close: #1a2329;             /* Fond noir profond */
    --color-card: #2c474d;           /* Fond des cartes */
    --color-card-hover: #1A292C;     /* Fond des cartes au survol */
    --color-border: #A2F3EB;         /* Bordures */
    
    /* Couleurs d'état */
    --color-success: #4CAF50;
    --color-error: #FF5252;
    --color-warning: #F5A623;
    --color-info: #00D4FF;
    
    /* Ombres */
    --shadow: 0 8px 32px rgba(245, 166, 35, 0.15);  /* Ombres dorées */
    --shadow-cyan: 0 8px 32px rgba(0, 212, 255, 0.15);
    
    /* Bordures */
    --radius: 12px;
    --transition: all 0.3s ease;
}



html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #26635B;
    background: radial-gradient(circle,rgba(38, 99, 91, 1) 0%, rgba(36, 50, 58, 1) 43%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary-light);
}

img {
    max-width: 100%;
}

/* ================================================================ */
/* TYPOGRAPHY                                                       */
/* ================================================================ */

h1,
h2,
h3,
h4 {
    line-height: 1.2;
}

.highlight {
    color: var(--color-primary);
}

/* ================================================================ */
/* BOUTONS AVEC COULEURS CORPORATE                                  */
/* ================================================================ */

.btn--primary {
    background: var(--color-secondary);  /* Or */
    color: var(--color-primary-dark);    /* Texte sombre pour contraste */
}

.btn--primary:hover {
    background: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn--secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-secondary);
}

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

.btn--tertiary {
    background: var(--color-tertiary);   /* Cyan */
    color: var(--color-primary-dark);
}

.btn--tertiary:hover {
    background: var(--color-tertiary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-cyan);
}

/* ================================================================ */
/* LIENS ET ACCENTS                                                 */
/* ================================================================ */

a {
    color: var(--color-secondary);
}

a:hover {
    color: var(--color-secondary-light);
}

.highlight {
    color: var(--color-secondary);
}

.highlight-cyan {
    color: var(--color-tertiary);
}

/* ================================================================ */
/* SECTION HEADERS                                                  */
/* ================================================================ */

.section-header__tag {
    background: rgba(245, 166, 35, 0.15);
    color: var(--color-secondary);
}

/* ================================================================ */
/* INPUT FIELDS - AVEC COMPTEUR DE CARACTÈRES                       */
/* ================================================================ */

.demo__field {
    position: relative;
}

.demo__field input {
    width: 100%;
    padding: 14px 18px;
    padding-right: 80px;  /* Espace pour le compteur */
    background: var(--color-primary-dark);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.demo__field input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.15);
}

.demo__field input::placeholder {
    color: var(--color-text-light);
}

/* Compteur de caractères */
.char-counter {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-light);
    pointer-events: none;
    transition: var(--transition);
    background: var(--color-primary-dark);
    padding: 2px 10px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
}

.char-counter.valid {
    color: var(--color-success);
    border-color: var(--color-success);
}

.char-counter.invalid {
    color: var(--color-error);
    border-color: var(--color-error);
}

.char-counter.warning {
    color: var(--color-warning);
    border-color: var(--color-warning);
}

/* ================================================================ */
/* INPUT FIELD WITH COUNTER                                         */
/* ================================================================ */

.demo__field-wrapper {
    position: relative;
    width: 100%;
}

.demo__field-wrapper input {
    width: 100%;
    padding: 14px 18px;
    padding-right: 80px;
    background: var(--color-primary-dark);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.demo__field-wrapper input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.15);
}

.demo__field-wrapper input::placeholder {
    color: var(--color-text-light);
}

.char-counter {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-light);
    pointer-events: none;
    transition: var(--transition);
    background: var(--color-primary-light);
    padding: 2px 10px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    font-variant-numeric: tabular-nums;
}

.char-counter.valid {
    color: var(--color-success);
    border-color: var(--color-success);
}

.char-counter.invalid {
    color: var(--color-error);
    border-color: var(--color-error);
}

.char-counter.warning {
    color: var(--color-warning);
    border-color: var(--color-warning);
}

/* ================================================================ */
/* BUTTONS                                                          */
/* ================================================================ */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn--secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

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

.btn--danger {
    background: var(--color-error);
    color: #fff;
}

.btn--danger:hover {
    background: #D32F2F;
    transform: translateY(-2px);
}

.btn--large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* ================================================================ */
/* HEADER / NAV                                                    */
/* ================================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.nav__logo-icon {
    font-size: 1.5rem;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav__links a {
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav__links a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .nav__links {
        gap: 16px;
        font-size: 0.85rem;
    }

    .nav__links a:not(.btn) {
        display: none;
    }
}

/* ================================================================ */
/* SECTION HEADERS                                                  */
/* ================================================================ */

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header__tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(107, 99, 255, 0.158);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.section-header__title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
}

.section-header__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 16px auto 0;
}

@media (max-width: 768px) {
    .section-header__title {
        font-size: 2rem;
    }
}

/* ================================================================ */
/* HERO                                                             */
/* ================================================================ */

.hero {
    padding: 140px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 99, 255, 0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
}

.hero__title-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin: 24px 0 32px;
    line-height: 1.8;
}

.hero__subtitle-highlight {
    font-weight: 600;
    color: #fff;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__code-block {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    overflow: auto;
}

.hero__code-block pre {
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.code-comment {
    color: var(--color-text-light);
    font-style: italic;
}

.code-keyword {
    color: var(--color-primary);
    font-weight: 600;
}

.code-string {
    color: var(--color-secondary);
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__code-block pre {
        font-size: 0.75rem;
    }
}

/* ================================================================ */
/* PHILOSOPHIE                                                      */
/* ================================================================ */

.philosophie {
    padding: 80px 0;
    background: var(--color-dark-soft);
}

.philosophie__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.philosophie__card {
    background: var(--color-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    text-align: center;
}

.philosophie__card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

.philosophie__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.philosophie__card h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.philosophie__card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.philosophie__quote {
    margin-top: 48px;
    padding: 32px 48px;
    background: var(--color-card);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    text-align: center;
}

.philosophie__quote blockquote {
    font-size: 1.3rem;
    font-style: italic;
    color: #fff;
    margin-bottom: 8px;
}

.philosophie__quote cite {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-style: normal;
}

@media (max-width: 768px) {
    .philosophie__grid {
        grid-template-columns: 1fr;
    }

    .philosophie__quote {
        padding: 24px;
    }

    .philosophie__quote blockquote {
        font-size: 1rem;
    }
}

/* ================================================================ */
/* FEATURES                                                         */
/* ================================================================ */

.features {
    padding: 80px 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.features__item {
    background: var(--color-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.features__item:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

.features__icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.features__item h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.features__item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .features__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .features__grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================================ */
/* SECURITY                                                         */
/* ================================================================ */

.security {
    padding: 80px 0;
    background: var(--color-dark-soft);
}

.security__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.security__card {
    background: var(--color-card);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.security__card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.security__card h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.security__card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.security__badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(76, 175, 80, 0.15);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-success);
}

@media (max-width: 768px) {
    .security__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .security__grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================================ */
/* COMPARISON                                                       */
/* ================================================================ */

.comparison {
    padding: 80px 0;
}

.comparison__table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.comparison__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison__table thead {
    background: var(--color-card);
}

.comparison__table th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
    color: #fff;
    border-bottom: 2px solid var(--color-border);
}

.comparison__table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-light);
}

.comparison__table tr:hover td {
    background: var(--color-card-hover);
}

.comparison__yes {
    color: var(--color-success);
    font-weight: 600;
}

.comparison__no {
    color: var(--color-error);
}

.comparison__price {
    font-weight: 600;
}

@media (max-width: 768px) {
    .comparison__table {
        font-size: 0.8rem;
    }

    .comparison__table th,
    .comparison__table td {
        padding: 10px 12px;
    }
}

/* ================================================================ */
/* DEMO                                                             */
/* ================================================================ */

.demo {
    padding: 80px 0;
    background: var(--color-dark-soft);
}

.demo__container {
    max-width: 700px;
    margin: 0 auto;
}

.demo__status {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-weight: 500;
}

.demo__status--info {
    background: rgba(108, 99, 255, 0.15);
    color: var(--color-primary-dark);
}

.demo__status--success {
    background: rgba(76, 175, 80, 0.15);
    color: var(--color-success);
}

.demo__status--error {
    background: rgba(255, 82, 82, 0.15);
    color: var(--color-error);
}

.demo__status--warning {
    background: rgba(255, 193, 7, 0.15);
    color: var(--color-warning);
}

.demo__form {
    background: var(--color-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.demo__field {
    margin-bottom: 20px;
}

.demo__field label {
    display: block;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.demo__field input {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    color: #fff;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.demo__field input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.15);
}

.demo__field input::placeholder {
    color: var(--color-text-light);
}

.demo__field small {
    display: block;
    margin-top: 6px;
    color: var(--color-text-light);
    font-size: 0.85rem;
}

.demo__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.demo__result {
    background: var(--color-card);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    margin-top: 24px;
}

.demo__result h4 {
    color: #fff;
    margin-bottom: 12px;
}

.demo__result pre {
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    background: var(--color-bg);
    padding: 16px;
    border-radius: var(--radius);
    overflow: auto;
    color: var(--color-text-light);
    max-height: 300px;
}

.demo__info {
    margin-top: 32px;
    padding: 24px;
    background: var(--color-card);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.demo__info p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

.demo__info strong {
    color: #fff;
}

@media (max-width: 768px) {
    .demo__form {
        padding: 20px;
    }

    .demo__actions {
        flex-direction: column;
    }

    .demo__actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ================================================================ */
/* FOOTER                                                           */
/* ================================================================ */

.footer {
    background: var(--color-dark);
    padding: 48px 0 24px;
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 48px;
    margin-bottom: 32px;
}

.footer__logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 8px;
}

.footer__brand p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer__links h4,
.footer__philosophy h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.footer__links ul {
    list-style: none;
}

.footer__links ul li {
    margin-bottom: 8px;
}

.footer__links ul li a {
    color: var(--color-text-light);
    transition: var(--transition);
}

.footer__links ul li a:hover {
    color: #fff;
}

.footer__philosophy p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    font-style: italic;
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer__bottom p {
    color: var(--color-text-light);
    font-size: 0.85rem;
}

.footer__bottom a {
    color: var(--color-text-light);
}

.footer__bottom a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}