/* ============================================================================
   IMRANDEV — Feuille de style principale
   ============================================================================
   Architecture : Mobile-first responsive
   Thème : Sombre (charcoal/navy) + accent cyan électrique
   Typographie : Outfit (titres) + DM Sans (corps)
   ============================================================================ */

/* ============================================================
   VARIABLES CSS (Design Tokens)
   ============================================================ */
:root {
    /* Couleurs — Thème sombre */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a26;
    --color-bg-card: #16161f;
    --color-bg-card-hover: #1c1c28;

    /* Bordures et séparateurs */
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);

    /* Texte */
    --color-text-primary: #f0f0f5;
    --color-text-secondary: #9a9ab0;
    --color-text-tertiary: #6a6a80;

    /* Accent principal — Cyan électrique */
    --color-accent: #00d4ff;
    --color-accent-light: #33ddff;
    --color-accent-dark: #00a8cc;
    --color-accent-glow: rgba(0, 212, 255, 0.15);
    --color-accent-glow-strong: rgba(0, 212, 255, 0.3);

    /* Accent secondaire — Violet */
    --color-accent-2: #7c3aed;
    --color-accent-2-glow: rgba(124, 58, 237, 0.15);

    /* Dégradé accent */
    --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    --gradient-accent-hover: linear-gradient(135deg, var(--color-accent-light), #8b5cf6);
    --gradient-bg: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);

    /* Typographie */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Tailles de police (fluides) */
    --fs-hero: clamp(2.2rem, 5vw, 4rem);
    --fs-h2: clamp(1.75rem, 3.5vw, 2.75rem);
    --fs-h3: clamp(1.1rem, 2vw, 1.35rem);
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    --fs-xs: 0.8rem;

    /* Espacement */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --section-padding: clamp(4rem, 8vw, 7rem);

    /* Layout */
    --container-max: 1140px;
    --container-padding: 1.25rem;

    /* Arrondis */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Ombres */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px var(--color-accent-glow);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-header: 1000;
    --z-menu: 1001;
    --z-scroll-top: 999;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    color: inherit;
}

/* ============================================================
   UTILITAIRES
   ============================================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.text-accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section:nth-child(even) {
    background-color: var(--color-bg-secondary);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section__tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-glow);
    padding: 0.35em 1em;
    border-radius: 100px;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.section__title {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.section__desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================================
   BOUTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-accent);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn--primary:hover {
    background: var(--gradient-accent-hover);
    box-shadow: 0 6px 30px var(--color-accent-glow-strong);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1.5px solid var(--color-border-hover);
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-glow);
}

.btn--small {
    font-size: var(--fs-small);
    padding: 0.6rem 1.25rem;
    background: var(--gradient-accent);
    color: var(--color-bg-primary);
    border-radius: var(--radius-sm);
}

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

/* ============================================================
   ANIMATIONS — Scroll Reveal
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.7s ease forwards;
}

.fade-in--delay-1 { animation-delay: 0.15s; }
.fade-in--delay-2 { animation-delay: 0.3s; }
.fade-in--delay-3 { animation-delay: 0.45s; }
.fade-in--delay-4 { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal — les éléments apparaissent au scroll */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal--delay-1 { transition-delay: 0.15s; }
.scroll-reveal--delay-2 { transition-delay: 0.3s; }
.scroll-reveal--delay-3 { transition-delay: 0.45s; }

.scroll-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.is-scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.nav__logo:hover {
    opacity: 0.8;
}

.nav__logo-bracket {
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.nav__logo-accent {
    color: var(--color-accent);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.is-active {
    color: var(--color-text-primary);
}

.nav__link:hover::after,
.nav__link.is-active::after {
    width: 100%;
}

.nav__link--cta {
    background: var(--gradient-accent);
    color: var(--color-bg-primary) !important;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav__toggle,
.nav__close {
    display: none;
    color: var(--color-text-primary);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 4rem;
}

/* Fond avec grille animée et glows */
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__grid {
    position: absolute;
    inset: -50%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(500px) rotateX(60deg);
    transform-origin: center top;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(60px); }
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero__glow--1 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    top: 20%;
    right: -100px;
    animation: glowFloat 8s ease-in-out infinite;
}

.hero__glow--2 {
    width: 300px;
    height: 300px;
    background: var(--color-accent-2);
    bottom: 10%;
    left: -80px;
    animation: glowFloat 10s ease-in-out infinite reverse;
}

@keyframes glowFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    padding: 0.45rem 1rem;
    border-radius: 100px;
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero__title {
    font-family: var(--font-heading);
    font-size: var(--fs-hero);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero__title-accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number,
.hero__stat-text {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.hero__stat-plus {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-accent);
}

.hero__stat-label {
    font-size: var(--fs-small);
    color: var(--color-text-tertiary);
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-tertiary);
    animation: scrollBounce 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   À PROPOS
   ============================================================ */
.about__grid {
    display: grid;
    gap: var(--space-2xl);
}

.about__text--lead {
    font-size: 1.15rem;
    color: var(--color-text-primary);
}

.about__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.about__text strong {
    color: var(--color-text-primary);
}

.about__cards {
    display: grid;
    gap: var(--space-md);
}

.about__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.about__card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.about__card-icon {
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.about__card-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.about__card-text {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
    display: grid;
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-card__text {
    color: var(--color-text-secondary);
    font-size: var(--fs-small);
    margin-bottom: var(--space-md);
}

.service-card__content {
    flex: 1;
}

.service-card__features {
    margin-bottom: var(--space-lg);
}

.service-card__features li {
    color: var(--color-text-secondary);
    font-size: var(--fs-small);
    padding: 0.35rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

.service-card__price {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.service-card__price-label {
    font-size: var(--fs-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card__price-amount {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-accent);
}

.service-card__price-amount small {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.services__cta {
    text-align: center;
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.services__cta p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.services__cta strong {
    color: var(--color-text-primary);
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio__grid {
    display: grid;
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}

.project-card__image {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.project-card__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-tertiary);
    gap: var(--space-sm);
    font-size: var(--fs-small);
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-card__image img {
    transform: scale(1.05);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-card__overlay {
    opacity: 1;
}

.project-card__info {
    padding: var(--space-lg);
}

.project-card__tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-sm);
}

.project-card__tag {
    font-size: var(--fs-xs);
    color: var(--color-accent);
    background: var(--color-accent-glow);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.project-card__desc {
    color: var(--color-text-secondary);
    font-size: var(--fs-small);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.project-card__link:hover {
    gap: 0.55rem;
}

/* ============================================================
   TÉMOIGNAGES
   ============================================================ */
.testimonials__grid {
    display: grid;
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    color: #fbbf24;
    margin-bottom: var(--space-md);
}

.testimonial-card__quote {
    color: var(--color-text-secondary);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 700;
    color: var(--color-bg-primary);
    flex-shrink: 0;
}

.testimonial-card__name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-small);
}

.testimonial-card__role {
    color: var(--color-text-tertiary);
    font-size: var(--fs-xs);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
    max-width: 720px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-lg) 0;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    list-style: none;
    transition: color var(--transition-fast);
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question:hover {
    color: var(--color-accent);
}

.faq__chevron {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: transform var(--transition-base);
}

details[open] .faq__chevron {
    transform: rotate(180deg);
    color: var(--color-accent);
}

.faq__answer {
    padding-bottom: var(--space-lg);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq__answer strong {
    color: var(--color-text-primary);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
    display: grid;
    gap: var(--space-2xl);
}

.contact__form {
    display: grid;
    gap: var(--space-md);
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.form__optional {
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.form__input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form__input::placeholder {
    color: var(--color-text-tertiary);
}

.form__input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239a9ab0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__success {
    text-align: center;
    padding: var(--space-2xl);
    color: #22c55e;
}

.contact__success h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin: var(--space-md) 0 var(--space-xs);
    color: var(--color-text-primary);
}

.contact__success p {
    color: var(--color-text-secondary);
}

/* Coordonnées */
.contact__info-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.contact__info-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

a.contact__info-item:hover {
    color: var(--color-accent);
}

.contact__info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.contact__info-label {
    font-size: var(--fs-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact__info-value {
    font-size: var(--fs-small);
    color: var(--color-text-primary);
    line-height: 1.5;
}

.contact__map {
    margin-top: var(--space-lg);
}

.contact__map-placeholder {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-text-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.contact__map-placeholder p {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.contact__map-placeholder small {
    color: var(--color-text-tertiary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer__desc {
    color: var(--color-text-secondary);
    font-size: var(--fs-small);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: var(--space-sm);
}

.footer__social-link {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
}

.footer__title {
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__links a {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: var(--fs-xs);
    color: var(--color-text-tertiary);
}

/* ============================================================
   BOUTON SCROLL TOP
   ============================================================ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-scroll-top);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.scroll-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
}

/* ============================================================
   RESPONSIVE — Tablette (≥ 768px)
   ============================================================ */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }

    .about__grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

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

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

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

    .testimonials__grid .testimonial-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

    .contact__grid {
        grid-template-columns: 1.2fr 0.8fr;
    }

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

    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

/* ============================================================
   RESPONSIVE — Desktop (≥ 1024px)
   ============================================================ */
@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .testimonials__grid .testimonial-card:last-child {
        grid-column: auto;
        max-width: none;
        margin: 0;
    }
}

/* ============================================================
   RESPONSIVE — Mobile (< 768px)
   ============================================================ */
@media (max-width: 767px) {
    /* Navigation mobile */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--color-border);
        z-index: var(--z-menu);
        padding: 5rem 2rem 2rem;
        transition: right var(--transition-base);
    }

    .nav__menu.is-open {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .nav__item {
        width: 100%;
    }

    .nav__link {
        display: block;
        padding: var(--space-md) 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav__link::after {
        display: none;
    }

    .nav__link--cta {
        display: inline-flex;
        margin-top: var(--space-md);
        border-bottom: none;
    }

    .nav__toggle,
    .nav__close {
        display: flex;
        z-index: calc(var(--z-menu) + 1);
    }

    .nav__close {
        position: absolute;
        top: 1.2rem;
        right: 1.5rem;
    }

    /* Overlay sombre derrière le menu mobile */
    .nav__menu.is-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: -100vw;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
    }

    .hero__title {
        font-size: clamp(1.8rem, 7vw, 2.8rem);
    }

    .hero__stats {
        gap: var(--space-md);
    }

    .hero__stat-number,
    .hero__stat-text,
    .hero__stat-plus {
        font-size: 1.3rem;
    }

    .service-card {
        padding: var(--space-lg);
    }

    .testimonials__grid .testimonial-card:last-child {
        max-width: none;
    }
}