/* ============================================
   EBE — Fiabilité, Qualité et Étanchéité
   Professional Design System
   ============================================ */

/* ─── 1. VARIABLES ─── */
:root {
    /* Brand Colors */
    --c-dark:         #061A1C;
    --c-dark-2:       #0d2326;
    --c-dark-3:       #183034;
    --c-accent:       #ED522B;
    --c-accent-hover: #d44a26;
    --c-white:        #FFFFFF;
    --c-light:        #F7F8F9;
    --c-light-2:      #EEF0F2;
    --c-border:       #DDE3E5;

    /* Text */
    --c-td:    #0d2326;
    --c-td-2:  #3a5a60;
    --c-muted: #7a9499;

    /* Typography */
    --font: 'Space Grotesk', 'Poppins', sans-serif;

    /* Layout */
    --nav-h:   76px;
    --max-w:   1240px;
    --py:      96px;
    --px:      24px;

    /* Shape */
    --r-sm:  6px;
    --r:     10px;
    --r-lg:  16px;
    --r-xl:  24px;

    /* Motion */
    --ease:   cubic-bezier(0.4, 0, 0.2, 1);
    --dur:    0.25s;
    --dur-md: 0.4s;

    /* Shadows */
    --sh-sm: 0 1px 4px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.06);
    --sh-md: 0 4px 16px rgba(0,0,0,0.10), 0 12px 32px rgba(0,0,0,0.08);
    --sh-lg: 0 8px 32px rgba(0,0,0,0.14), 0 24px 64px rgba(0,0,0,0.10);
    --sh-acc:0 6px 28px rgba(237,82,43,0.35);
}

/* ─── 2. RESET ─── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-td);
    background: var(--c-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

/* ─── 3. LAYOUT ─── */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--px);
}
.section { padding: var(--py) 0; }

/* ─── 4. TYPOGRAPHY ─── */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: 14px;
}
.tag-line {
    width: 28px;
    height: 2px;
    background: var(--c-accent);
    display: block;
    flex-shrink: 0;
}
.section-title {
    font-size: clamp(1.875rem, 4vw, 2.625rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--c-dark);
    margin-bottom: 14px;
}
.section-title .highlight { color: var(--c-accent); }
.section-subtitle {
    font-size: 1.0625rem;
    color: var(--c-td-2);
    max-width: 580px;
    line-height: 1.7;
}
.section-header { margin-bottom: 60px; }

/* ─── 5. BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--r);
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    transition:
        transform      var(--dur) var(--ease),
        box-shadow     var(--dur) var(--ease),
        background     var(--dur) var(--ease),
        color          var(--dur) var(--ease),
        border-color   var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
    background: var(--c-accent);
    color: var(--c-white);
    border-color: var(--c-accent);
}
.btn-primary:hover {
    background: var(--c-accent-hover);
    border-color: var(--c-accent-hover);
    box-shadow: var(--sh-acc);
}

.btn-outline {
    background: transparent;
    color: var(--c-white);
    border-color: rgba(255,255,255,0.35);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.7);
}

.btn-white {
    background: var(--c-white);
    color: var(--c-accent);
    border-color: var(--c-white);
}
.btn-white:hover {
    background: var(--c-light);
    box-shadow: var(--sh-md);
}

.btn-outline-white {
    background: transparent;
    color: var(--c-white);
    border-color: rgba(255,255,255,0.45);
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--c-white);
}

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

/* Ripple */
.ripple {
    position: absolute;
    width: 4px; height: 4px;
    background: rgba(255,255,255,0.35);
    border-radius: 50%;
    transform: scale(0);
    animation: rippleAnim 0.65s ease-out forwards;
    pointer-events: none;
}
@keyframes rippleAnim { to { transform: scale(80); opacity: 0; } }

/* ─── 7. NAVBAR ─── */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-h);
    border-bottom: 1px solid transparent;
    transition:
        background    var(--dur-md) var(--ease),
        border-color  var(--dur-md) var(--ease),
        box-shadow    var(--dur-md) var(--ease);
}
#navbar.scrolled {
    background: rgba(6,26,28,0.97);
    border-bottom-color: rgba(255,255,255,0.07);
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
@supports (backdrop-filter: blur(12px)) {
    #navbar.scrolled {
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        background: rgba(6,26,28,0.88);
    }
}

.nav-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--px);
    height: 100%;
    display: flex;
    align-items: center;
    gap: 40px;
}
.logo { flex-shrink: 0; }
.logo-img { height: 42px; width: auto; display: block; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.nav-link {
    padding: 6px 14px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    border-radius: var(--r-sm);
    position: relative;
    transition: color var(--dur) var(--ease);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 14px; right: 14px;
    height: 2px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
}
.nav-link:hover,
.nav-link.active { color: var(--c-white); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

.nav-cta {
    padding: 10px 22px;
    background: var(--c-accent);
    color: var(--c-white);
    border-radius: var(--r);
    font-size: 0.9rem;
    font-weight: 600;
    flex-shrink: 0;
    transition:
        background  var(--dur) var(--ease),
        transform   var(--dur) var(--ease),
        box-shadow  var(--dur) var(--ease);
}
.nav-cta:hover {
    background: var(--c-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(237,82,43,0.35);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    cursor: pointer;
    margin-left: auto;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 100%; height: 2px;
    background: var(--c-white);
    border-radius: 2px;
    transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
    transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── 8. MOBILE MENU ─── */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--c-dark);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity     var(--dur-md) var(--ease),
        visibility  var(--dur-md);
}
.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
}
.mobile-link {
    font-size: 1.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.78);
    padding: 10px 32px;
    border-radius: var(--r);
    transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.mobile-link:hover { color: var(--c-white); background: rgba(255,255,255,0.05); }
.mobile-cta {
    margin-top: 16px;
    padding: 14px 40px;
    background: var(--c-accent);
    color: var(--c-white);
    border-radius: var(--r);
    font-size: 1.1rem;
    font-weight: 600;
    transition: background var(--dur) var(--ease);
}
.mobile-cta:hover { background: var(--c-accent-hover); }

/* ─── 9. HERO ─── */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    background: var(--c-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size: 38px 38px;
    pointer-events: none;
    z-index: 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: -120px;
    right: -80px;
    width: 640px; height: 640px;
    background: radial-gradient(circle, rgba(237,82,43,0.13) 0%, transparent 65%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: calc(var(--nav-h) + 64px) var(--px) 88px;
    width: 100%;
    will-change: transform, opacity;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(237,82,43,0.1);
    border: 1px solid rgba(237,82,43,0.28);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--c-accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 28px;
}
.hero-badge i { font-size: 0.8rem; }

.hero-title {
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.06;
    color: var(--c-white);
    letter-spacing: -0.025em;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
}
.hero-title .highlight { color: var(--c-accent); }

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.72;
    max-width: 520px;
    margin-bottom: 20px;
}

.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}
.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.72);
}
.hero-pill i { color: var(--c-accent); font-size: 0.7rem; }

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 0;
}

/* Hero logo watermark */
.hero-logo-watermark {
    position: absolute;
    bottom: 40px;
    right: 48px;
    z-index: 1;
    opacity: 0.08;
    pointer-events: none;
}
.hero-logo-watermark img {
    height: 120px;
    width: auto;
    filter: brightness(0) invert(1);
}

/* ─── 10. ABOUT ─── */
.about { background: var(--c-white); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
    padding-right: 36px;
    padding-bottom: 36px;
}

.about-img-main {
    border-radius: var(--r-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
    box-shadow: var(--sh-lg);
}
.about-img-main img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}

.about-img-secondary {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 46%;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 4px solid var(--c-white);
    box-shadow: var(--sh-md);
    aspect-ratio: 1/1;
    z-index: 2;
}
.about-img-secondary img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--c-td-2);
    line-height: 1.75;
    margin-bottom: 14px;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.feature-icon {
    width: 44px; height: 44px;
    background: rgba(237,82,43,0.09);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    flex-shrink: 0;
    font-size: 1rem;
}
.feature-item h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--c-dark);
    margin-bottom: 3px;
}
.feature-item p {
    font-size: 0.875rem;
    color: var(--c-td-2);
    line-height: 1.6;
}

/* ─── 11. SERVICES ─── */
.services { background: var(--c-dark-2); }
.services .section-tag   { color: var(--c-accent); }
.services .section-title { color: var(--c-white); }
.services .section-subtitle { color: rgba(255,255,255,0.58); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--r-lg);
    padding: 32px;
    position: relative;
    transition:
        transform     var(--dur-md) var(--ease),
        background    var(--dur-md) var(--ease),
        border-color  var(--dur-md) var(--ease),
        box-shadow    var(--dur-md) var(--ease);
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-md) var(--ease);
}
.service-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.07);
    border-color: rgba(237,82,43,0.22);
    box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 22px;
}
.service-icon {
    width: 50px; height: 50px;
    background: rgba(237,82,43,0.12);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--c-accent);
    transition: background var(--dur) var(--ease);
}
.service-card:hover .service-icon { background: rgba(237,82,43,0.2); }

.service-number {
    font-size: 2.75rem;
    font-weight: 700;
    color: rgba(255,255,255,0.05);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--c-white);
    margin-bottom: 10px;
}
.service-card p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.58);
    line-height: 1.65;
    margin-bottom: 18px;
}

.service-list {
    list-style: none;
    margin-bottom: 22px;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.service-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.62);
}
.service-list li i {
    color: var(--c-accent);
    font-size: 0.7rem;
    flex-shrink: 0;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-accent);
    transition: gap var(--dur) var(--ease);
}
.service-link:hover { gap: 10px; }

/* ─── 12. PROCESS ─── */
.process { background: var(--c-light); }

.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.process-line {
    position: absolute;
    top: 27px;
    left: calc(12.5% + 20px);
    right: calc(12.5% + 20px);
    height: 2px;
    background: var(--c-border);
    z-index: 0;
    overflow: hidden;
}
.process-line::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--c-accent);
    transition: left 1.4s var(--ease);
}
.process-line.animated::after { left: 0; }

.process-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
}

.step-number {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--c-white);
    border: 2px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-muted);
    flex-shrink: 0;
    transition:
        background    0.4s var(--ease),
        border-color  0.4s var(--ease),
        color         0.4s var(--ease),
        box-shadow    0.4s var(--ease);
}
.process-step.active .step-number {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-white);
    box-shadow: 0 4px 20px rgba(237,82,43,0.32);
}

.step-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 6px;
}
.step-content p {
    font-size: 0.875rem;
    color: var(--c-muted);
    line-height: 1.6;
}

/* ─── 13. PROJECTS ─── */
.projects { background: var(--c-dark); }
.projects .section-tag    { color: var(--c-accent); }
.projects .section-title  { color: var(--c-white); }
.projects .section-subtitle { color: rgba(255,255,255,0.58); }

.projects-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 36px;
}
.filter-btn {
    padding: 8px 20px;
    border-radius: 100px;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255,255,255,0.58);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.09);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
}
.filter-btn:hover { color: var(--c-white); background: rgba(255,255,255,0.09); }
.filter-btn.active {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.project-card {
    border-radius: var(--r-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    cursor: pointer;
}
.project-img {
    width: 100%; height: 100%;
    position: relative;
}
.project-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s var(--ease);
}
.project-card:hover .project-img img { transform: scale(1.04); }

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6,26,28,0.95) 0%, rgba(6,26,28,0.15) 60%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 22px;
    opacity: 0;
    transition: opacity var(--dur-md) var(--ease);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-info {
    transform: translateY(10px);
    transition: transform var(--dur-md) var(--ease);
    width: 100%;
}
.project-card:hover .project-info { transform: translateY(0); }

.project-category {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--c-accent);
    display: block;
}

/* ─── 14. CTA SECTION ─── */
.cta-section {
    background: var(--c-accent);
    position: relative;
    overflow: hidden;
    text-align: center;
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.cta-pattern {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 30px 30px;
}
.cta-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--c-white);
    margin-bottom: 14px;
}
.cta-content p {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.82);
    line-height: 1.7;
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

/* ─── 15. CONTACT ─── */
.contact { background: var(--c-white); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 80px;
    align-items: start;
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--c-td-2);
    line-height: 1.7;
    margin-bottom: 32px;
}
.contact-details {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 28px;
}
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.contact-icon {
    width: 42px; height: 42px;
    background: rgba(237,82,43,0.09);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}
.contact-item h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--c-dark);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.contact-item p {
    font-size: 0.9375rem;
    color: var(--c-td-2);
    line-height: 1.5;
}
.contact-item p a {
    color: var(--c-td-2);
    transition: color var(--dur) var(--ease);
}
.contact-item p a:hover { color: var(--c-accent); }

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(237,82,43,0.08);
    border: 1px solid rgba(237,82,43,0.2);
    border-radius: var(--r);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--c-accent);
    margin-bottom: 22px;
}
.contact-badge i { font-size: 0.85rem; }

.contact-socials { display: flex; gap: 8px; }
.social-link {
    width: 38px; height: 38px;
    border-radius: var(--r);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-muted);
    font-size: 0.9rem;
    transition:
        background    var(--dur) var(--ease),
        color         var(--dur) var(--ease),
        border-color  var(--dur) var(--ease);
}
.social-link:hover {
    background: var(--c-accent);
    color: var(--c-white);
    border-color: var(--c-accent);
}

/* Contact form */
.contact-form-wrap {
    background: var(--c-light);
    border-radius: var(--r-xl);
    padding: 40px;
}
.contact-form h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 28px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 14px;
}
.form-group:last-of-type { margin-bottom: 22px; }
.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--c-dark);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 15px;
    border: 1.5px solid var(--c-border);
    border-radius: var(--r);
    font-family: var(--font);
    font-size: 0.9375rem;
    color: var(--c-dark);
    background: var(--c-white);
    outline: none;
    transition:
        border-color var(--dur) var(--ease),
        box-shadow   var(--dur) var(--ease);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--c-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(237,82,43,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ─── 16. MAP ─── */
.map-section { height: 380px; overflow: hidden; }
.map-section iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ─── 17. FOOTER ─── */
.footer { background: var(--c-dark); padding: 72px 0 0; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-brand .logo-img { height: 38px; }
.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.48);
    line-height: 1.7;
    margin-top: 14px;
    margin-bottom: 22px;
    max-width: 280px;
}
.footer-socials { display: flex; gap: 8px; }
.footer-socials a {
    width: 34px; height: 34px;
    border-radius: var(--r-sm);
    border: 1px solid rgba(255,255,255,0.09);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.45);
    font-size: 0.85rem;
    transition: all var(--dur) var(--ease);
}
.footer-socials a:hover {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-white);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--c-white);
    letter-spacing: 0.07em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--dur) var(--ease);
}
.footer-links a:hover { color: var(--c-accent); }

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}
.footer-contact li i {
    color: var(--c-accent);
    margin-top: 3px;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.footer-contact li a {
    color: rgba(255,255,255,0.5);
    transition: color var(--dur) var(--ease);
}
.footer-contact li a:hover { color: var(--c-accent); }

.footer-bottom {
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    transition: color var(--dur) var(--ease);
}
.footer-bottom-links a:hover { color: var(--c-accent); }

/* ─── 18. FLOATING ELEMENTS ─── */
.back-to-top {
    position: fixed;
    bottom: 28px; right: 28px;
    width: 42px; height: 42px;
    background: var(--c-dark-3);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--c-white);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    cursor: pointer;
    z-index: 800;
    opacity: 0;
    transform: translateY(10px);
    transition:
        opacity      var(--dur) var(--ease),
        transform    var(--dur) var(--ease),
        background   var(--dur) var(--ease),
        border-color var(--dur) var(--ease);
    pointer-events: none;
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}
.back-to-top:hover {
    background: var(--c-accent);
    border-color: var(--c-accent);
}

/* ─── 19. REVEAL ANIMATIONS ─── */
[class*="reveal-"] { transition-delay: var(--delay, 0s); }

.reveal-up {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal-up.revealed { opacity: 1; transform: translateY(0); }

.reveal-left {
    opacity: 0;
    transform: translateX(-26px);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal-left.revealed { opacity: 1; transform: translateX(0); }

.reveal-right {
    opacity: 0;
    transform: translateX(26px);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal-right.revealed { opacity: 1; transform: translateX(0); }

.reveal-scale {
    opacity: 0;
    transform: scale(0.94);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal-scale.revealed { opacity: 1; transform: scale(1); }

.reveal-rotate {
    opacity: 0;
    transform: scale(0.94) rotate(-2deg);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal-rotate.revealed { opacity: 1; transform: scale(1) rotate(0deg); }

.reveal-blur {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.reveal-blur.revealed { opacity: 1; transform: translateY(0); }

.reveal-3d {
    opacity: 0;
    transform: translateY(18px) scale(0.97);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.reveal-3d.revealed { opacity: 1; transform: translateY(0) scale(1); }

/* ─── 20. RESPONSIVE ─── */
@media (max-width: 1100px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid   { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
    :root { --py: 72px; }

    .about-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }

    .about-images {
        max-width: 460px;
        margin: 0 auto;
    }

    .process-timeline { grid-template-columns: 1fr 1fr; }
    .process-line     { display: none; }

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

@media (max-width: 768px) {
    .nav-links,
    .nav-cta  { display: none; }
    .hamburger{ display: flex; }

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

    .hero-title { font-size: clamp(2.375rem, 9vw, 3.75rem); }
    .hero-pills { flex-direction: column; gap: 7px; }
    .hero-pill  { font-size: 0.775rem; }

    .contact-form-wrap { padding: 24px 18px; }
}

@media (max-width: 600px) {
    :root { --py: 56px; --px: 18px; }

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

    .hero-actions,
    .cta-actions { flex-direction: column; }
    .hero-actions .btn,
    .cta-actions .btn { justify-content: center; }

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

/* ── LIGHTBOX ──────────────────────────────────────────────── */
.project-card { cursor: pointer; }

.project-gallery-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.72);
    letter-spacing: 0.01em;
}
.project-gallery-hint i { color: var(--c-accent); }

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.lightbox.open {
    opacity: 1;
    pointer-events: all;
}
.lb-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(6,26,28,0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.lb-stage {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: min(90vw, 1100px);
    max-height: 80vh;
}
.lb-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.55);
    transition: opacity 0.18s ease, transform 0.18s ease;
}
.lb-image.fading {
    opacity: 0;
    transform: scale(0.97);
}
.lb-close,
.lb-prev,
.lb-next {
    position: fixed;
    z-index: 2;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.14);
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover {
    background: var(--c-accent);
    border-color: var(--c-accent);
}
.lb-close {
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    font-size: 1rem;
}
.lb-prev {
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    font-size: 1.15rem;
}
.lb-next {
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    font-size: 1.15rem;
}
.lb-prev:hover { transform: translateY(-50%) scale(1.06); }
.lb-next:hover { transform: translateY(-50%) scale(1.06); }
.lb-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    background: linear-gradient(to top, rgba(6,26,28,0.88) 0%, transparent 100%);
}
.lb-title {
    color: rgba(255,255,255,0.88);
    font-size: 0.9rem;
    font-weight: 500;
}
.lb-counter {
    color: rgba(255,255,255,0.48);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 600px) {
    .lb-prev { left: 6px; width: 40px; height: 40px; font-size: 1rem; }
    .lb-next { right: 6px; width: 40px; height: 40px; font-size: 1rem; }
    .lb-stage { max-height: 74vh; max-width: 96vw; }
    .lb-image { max-height: 74vh; }
}