/* ============================================
   DEFITEK — STYLE PRINCIPAL
   Esthétique : Neo-tech, sombre & électrique
   ============================================ */

/* === VARIABLES === */
:root {
    --color-bg:        #0a0e17;
    --color-bg-light:  #111827;
    --color-bg-card:   #151c2c;
    --color-surface:   #1a2236;
    --color-border:    #1e293b;
    --color-text:      #e2e8f0;
    --color-text-muted:#8892a4;
    --color-accent:    #00e0c3;
    --color-accent-2:  #ff6b4a;
    --color-accent-glow: rgba(0, 224, 195, 0.15);
    --color-white:     #ffffff;

    --font-display: 'Outfit', sans-serif;
    --font-body:    'DM Sans', sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 100px;

    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

body.nav-open {
    overflow: hidden;
}

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

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

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

/* =====================
   BANDEAU RUBAN ANNONCE
   ===================== */
.ribbon-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1100;
    pointer-events: none;
    overflow: hidden;
}

.ribbon-tape {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200vmax;
    transform: translate(-50%, -50%) rotate(-35deg);
    background: #e53e3e;
    padding: 14px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(229, 62, 62, 0.4), 0 0 0 3px #b91c1c, inset 0 1px 0 rgba(255,255,255,0.15);
    border-top: 2px solid #feb2b2;
    border-bottom: 2px solid #feb2b2;
}

.ribbon-tape span {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    flex-shrink: 0;
}

/* =====================
   NAVIGATION
   ===================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-white);
}

.logo-bracket {
    color: var(--color-accent);
    font-weight: 400;
}

.nav-logo-svg {
    height: 44px;
    width: auto;
    vertical-align: middle;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    letter-spacing: 0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 24px;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 224, 195, 0.3);
}

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

#heroCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(0, 224, 195, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 80% 60%, rgba(255, 107, 74, 0.04) 0%, transparent 70%),
        linear-gradient(180deg, transparent 0%, var(--color-bg) 100%);
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 860px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(0, 224, 195, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6.5vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin-bottom: 24px;
}

.hero-title-accent {
    color: var(--color-accent);
    position: relative;
}

.hero-title-accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent);
    opacity: 0.3;
    border-radius: 2px;
}

.hero-title-outline {
    color: transparent;
    -webkit-text-stroke: 2px var(--color-accent-2);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 224, 195, 0.25);
}

.btn-primary svg {
    transition: transform var(--transition);
}
.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    color: var(--color-white);
    border-color: var(--color-text-muted);
    transform: translateY(-2px);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 2px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.stat-icon {
    font-size: 2rem;
}

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

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero-scroll span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.3; height: 25px; }
}

/* =====================
   SERVICES SECTION
   ===================== */
.services {
    padding: 120px 0;
    position: relative;
}

.section-header {
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-white);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    padding: 40px 36px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover {
    border-color: rgba(0, 224, 195, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 60px var(--color-accent-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    position: absolute;
    top: 28px;
    right: 28px;
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-surface);
    line-height: 1;
    transition: color var(--transition);
}

.service-card:hover .service-number {
    color: rgba(0, 224, 195, 0.07);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: var(--color-accent);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.05);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--color-white);
    line-height: 1.25;
}

.service-desc {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.service-tags li {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 5px 14px;
    background: var(--color-surface);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.service-card:hover .service-tags li {
    border-color: rgba(0, 224, 195, 0.15);
    color: var(--color-text);
}

/* =====================
   CTA SECTION
   ===================== */
.cta-section {
    padding: 100px 0;
    position: relative;
    text-align: center;
    background:
        radial-gradient(ellipse 70% 50% at 50% 50%, rgba(0, 224, 195, 0.06) 0%, transparent 70%);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 36px;
    line-height: 1.7;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

/* =====================
   CONTACT SECTION
   ===================== */
.contact {
    padding: 120px 0;
    background: var(--color-bg-light);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-text {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: 16px;
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.contact-info-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

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

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group select {
    cursor: pointer;
    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 1L6 6L11 1' stroke='%238892a4' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    padding: 12px 18px;
    background: rgba(255, 107, 74, 0.1);
    border: 1px solid rgba(255, 107, 74, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-accent-2);
    font-size: 0.88rem;
}

.form-success {
    text-align: center;
    padding: 48px 32px;
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 224, 195, 0.2);
    border-radius: var(--radius-lg);
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--color-accent);
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-muted);
}

/* =====================
   FOOTER
   ===================== */
.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 8px;
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* =====================
   SCROLL ANIMATIONS
   ===================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* =====================
   RESPONSIVE DESIGN
   ===================== */

/* Tablet */
@media (max-width: 1024px) {
    .services-grid {
        gap: 20px;
    }

    .contact-grid {
        gap: 48px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Nav */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-light);
        border-left: 1px solid var(--color-border);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 24px;
        transition: right 0.4s ease;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-cta {
        text-align: center;
        margin-top: 16px;
    }

    /* Hero */
    .hero-title {
        font-size: clamp(2rem, 8vw, 3.2rem);
    }

    .hero-subtitle br {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-scroll {
        display: none;
    }

    /* Services */
    .services {
        padding: 80px 0;
    }

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

    .service-card {
        padding: 32px 28px;
    }

    /* CTA */
    .cta-section {
        padding: 64px 0;
    }

    /* Contact */
    .contact {
        padding: 80px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-top {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .section-title br {
        display: none;
    }
}

/* Small phones */
@media (max-width: 400px) {
    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.88rem;
    }

    .service-number {
        font-size: 3rem;
    }
}