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

:root {
    --primary: #2d2d2d;
    --primary-light: #3d3d3d;
    --primary-dark: #1a1a1a;
    --accent: #FFE500;
    --accent-light: #FFF04D;
    --accent-dark: #E6CE00;
    --text: #1a1a1a;
    --text-light: #555555;
    --text-lighter: #888888;
    --bg: #ffffff;
    --bg-alt: #f5f5f0;
    --bg-dark: #1a1a1a;
    --border: #e0e0e0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

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

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}

.header.scrolled .logo-name,
.header.scrolled .logo-tagline,
.header.scrolled .nav-link,
.header.scrolled .logo-icon {
    color: var(--text);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.logo-img {
    height: 42px;
    width: auto;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    transition: color var(--transition);
    line-height: 1.2;
}

.logo-tagline {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition);
}

.header.scrolled .logo-tagline {
    color: var(--text-light);
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    transition: color var(--transition);
    position: relative;
}

.nav-link:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.nav-link:not(.btn):hover::after {
    width: 100%;
}

.header.scrolled .nav-link:not(.btn):hover {
    color: var(--accent-dark);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 10;
}

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

.header.scrolled .menu-toggle span {
    background: var(--text);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 229, 0, 0.4);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-nav {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #1a1a1a;
}

.hero-window {
    position: absolute;
    inset: 3vh 2vw 4vh;
    z-index: 2;
}

/* ===== INTERIOR ROOM WALLS (embrasure around the window) ===== */
.room-wall {
    position: absolute;
    z-index: 3;
    background: #e8e2d8;
}

.room-wall-left {
    top: 0; left: 0; bottom: 0;
    width: 2vw;
    background: linear-gradient(90deg, #c8c0b4 0%, #d8d0c4 40%, #e0d8cc 100%);
    box-shadow: inset -6px 0 14px rgba(0,0,0,0.15);
}

.room-wall-right {
    top: 0; right: 0; bottom: 0;
    width: 2vw;
    background: linear-gradient(-90deg, #c8c0b4 0%, #d8d0c4 40%, #e0d8cc 100%);
    box-shadow: inset 6px 0 14px rgba(0,0,0,0.15);
}

.room-wall-top {
    top: 0; left: 0; right: 0;
    height: 3vh;
    background: linear-gradient(180deg, #c0b8ac 0%, #d0c8bc 50%, #dcd4c8 100%);
    box-shadow: inset 0 -4px 12px rgba(0,0,0,0.12);
}

.room-wall-bottom {
    bottom: 0; left: 0; right: 0;
    height: 4vh;
    background: linear-gradient(0deg, #b8b0a4 0%, #c8c0b4 30%, #d4ccbe 100%);
    box-shadow: inset 0 4px 12px rgba(0,0,0,0.1);
}

.room-radiator {
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 50%;
    background: repeating-linear-gradient(
        90deg,
        #e0dcd6 0px, #e0dcd6 18px,
        #d0ccc4 18px, #d0ccc4 19px,
        #c8c4bc 19px, #c8c4bc 20px
    );
    border-radius: 2px 2px 0 0;
    box-shadow: 0 -1px 4px rgba(0,0,0,0.08);
}

/* ===== LANDSCAPE (outdoor view) ===== */
.window-landscape {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.landscape-photo {
    position: absolute;
    inset: -2%;
    width: 104%;
    height: 104%;
    object-fit: cover;
    object-position: center 40%;
}

/* ===== DORMANT (outer fixed aluminum frame) ===== */
.dormant {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

/* Aluminum texture mixin: multi-stop gradient simulating brushed metal */
.dormant-top {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 28px;
    background:
        linear-gradient(180deg,
            #505050 0%, #5e5e5e 8%, #6a6a6a 16%, #626262 24%,
            #6e6e6e 32%, #646464 48%, #6c6c6c 56%,
            #5e5e5e 72%, #686868 84%, #585858 92%, #525252 100%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        inset 0 -1px 0 rgba(0,0,0,0.2),
        0 3px 8px rgba(0,0,0,0.3);
}

.dormant-bottom {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 32px;
    background:
        linear-gradient(0deg,
            #484848 0%, #565656 10%, #626262 20%, #5a5a5a 35%,
            #666666 50%, #5c5c5c 65%, #646464 80%, #565656 90%, #4e4e4e 100%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.06),
        inset 0 -1px 0 rgba(0,0,0,0.15);
}

.dormant-left {
    position: absolute;
    top: 28px; left: 0; bottom: 32px;
    width: 22px;
    background:
        linear-gradient(90deg,
            #4e4e4e 0%, #5c5c5c 12%, #686868 28%, #606060 44%,
            #6a6a6a 56%, #626262 72%, #5a5a5a 88%, #525252 100%);
    box-shadow:
        inset 1px 0 0 rgba(255,255,255,0.06),
        inset -1px 0 0 rgba(0,0,0,0.18),
        3px 0 8px rgba(0,0,0,0.2);
}

.dormant-right {
    position: absolute;
    top: 28px; right: 0; bottom: 32px;
    width: 22px;
    background:
        linear-gradient(-90deg,
            #4e4e4e 0%, #5c5c5c 12%, #686868 28%, #606060 44%,
            #6a6a6a 56%, #626262 72%, #5a5a5a 88%, #525252 100%);
    box-shadow:
        inset -1px 0 0 rgba(255,255,255,0.06),
        inset 1px 0 0 rgba(0,0,0,0.18),
        -3px 0 8px rgba(0,0,0,0.2);
}

/* Center mullion */
.dormant-mullion {
    position: absolute;
    top: 28px; bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    background:
        linear-gradient(90deg,
            #4a4a4a 0%, #5a5a5a 15%, #686868 30%, #6e6e6e 50%,
            #686868 70%, #5a5a5a 85%, #4a4a4a 100%);
    z-index: 12;
    box-shadow:
        inset 1px 0 0 rgba(255,255,255,0.06),
        inset -1px 0 0 rgba(255,255,255,0.06),
        -3px 0 6px rgba(0,0,0,0.2),
        3px 0 6px rgba(0,0,0,0.2);
}

.mullion-groove {
    position: absolute;
    top: 0; bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: linear-gradient(180deg, #3a3a3a, #444, #3a3a3a);
}

.mullion-seal-left,
.mullion-seal-right {
    position: absolute;
    top: 0; bottom: 0;
    width: 3px;
    background: #1a1a1a;
}

.mullion-seal-left { left: 0; }
.mullion-seal-right { right: 0; }

/* Dormant inner groove + seal */
.dormant-groove {
    position: absolute;
    bottom: 0; left: 22px; right: 22px;
    height: 3px;
    background: #2a2a2a;
}

.dormant-groove-v {
    bottom: auto; left: auto; right: 0;
    top: 0; width: 3px; height: 100%;
}

.dormant-right .dormant-groove-v {
    right: auto; left: 0;
}

.dormant-seal {
    position: absolute;
    bottom: 3px; left: 22px; right: 22px;
    height: 2px;
    background: #111;
}

.dormant-rail {
    position: absolute;
    top: 0; left: 22px; right: 22px;
    height: 5px;
    background: linear-gradient(180deg, #555, #666, #555);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}

/* ===== WINDOW SILL (appui exterieur) ===== */
.window-sill {
    position: absolute;
    bottom: -6px;
    left: -12px;
    right: -12px;
    height: 16px;
    background: linear-gradient(180deg, #606060 0%, #555 30%, #4a4a4a 60%, #404040 100%);
    z-index: 11;
    border-radius: 0 0 2px 2px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.1),
        0 4px 12px rgba(0,0,0,0.5),
        0 8px 24px rgba(0,0,0,0.3);
}

.sill-nose {
    position: absolute;
    bottom: -4px;
    left: 0; right: 0;
    height: 6px;
    background: linear-gradient(180deg, #4a4a4a, #3a3a3a);
    border-radius: 0 0 3px 3px;
}

.sill-drip {
    position: absolute;
    bottom: -2px;
    left: 8px; right: 8px;
    height: 2px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,0.3));
}

/* ===== SLIDING GLASS PANELS (ouvrants) ===== */
.window-panel {
    position: absolute;
    top: 28px;
    bottom: 32px;
    z-index: 8;
    transition: transform 0.05s linear;
    will-change: transform;
}

.window-left {
    left: 22px;
    right: calc(50% + 8px);
    transform-origin: left center;
}

.window-right {
    left: calc(50% + 8px);
    right: 22px;
    transform-origin: right center;
}

/* ===== OUVRANT PROFILES (panel aluminum frame) ===== */
.ouvrant {
    position: absolute;
    z-index: 3;
}

.ouvrant-top {
    top: 0; left: 0; right: 0;
    height: 16px;
    background:
        linear-gradient(180deg,
            #606060 0%, #727272 15%, #7c7c7c 30%, #747474 50%,
            #7a7a7a 65%, #6e6e6e 80%, #646464 100%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.1),
        inset 0 -1px 0 rgba(0,0,0,0.15),
        0 2px 6px rgba(0,0,0,0.2);
}

.ouvrant-bottom {
    bottom: 0; left: 0; right: 0;
    height: 20px;
    background:
        linear-gradient(0deg,
            #565656 0%, #646464 15%, #727272 35%, #6a6a6a 55%,
            #747474 70%, #6a6a6a 85%, #5e5e5e 100%);
    box-shadow:
        inset 0 -1px 0 rgba(255,255,255,0.06),
        inset 0 1px 0 rgba(0,0,0,0.12);
}

.ouvrant-left {
    top: 16px; bottom: 20px; left: 0;
    width: 14px;
    background:
        linear-gradient(90deg,
            #585858 0%, #686868 20%, #767676 45%, #6e6e6e 65%, #646464 85%, #5c5c5c 100%);
    box-shadow:
        inset 1px 0 0 rgba(255,255,255,0.08),
        inset -1px 0 0 rgba(0,0,0,0.12);
}

.ouvrant-right {
    top: 16px; bottom: 20px; right: 0;
    width: 14px;
    background:
        linear-gradient(-90deg,
            #585858 0%, #686868 20%, #767676 45%, #6e6e6e 65%, #646464 85%, #5c5c5c 100%);
    box-shadow:
        inset -1px 0 0 rgba(255,255,255,0.08),
        inset 1px 0 0 rgba(0,0,0,0.12);
}

/* Inner bevel line on ouvrant profiles */
.ouvrant-inner {
    position: absolute;
}

.ouvrant-top .ouvrant-inner {
    bottom: 3px; left: 14px; right: 14px;
    height: 1px;
    background: rgba(0,0,0,0.2);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.ouvrant-bottom .ouvrant-inner {
    top: 3px; left: 14px; right: 14px;
    height: 1px;
    background: rgba(0,0,0,0.2);
    box-shadow: 0 -1px 0 rgba(255,255,255,0.06);
}

.ouvrant-left .ouvrant-inner {
    right: 3px; top: 0; bottom: 0;
    width: 1px;
    background: rgba(0,0,0,0.15);
    box-shadow: 1px 0 0 rgba(255,255,255,0.05);
}

.ouvrant-right .ouvrant-inner {
    left: 3px; top: 0; bottom: 0;
    width: 1px;
    background: rgba(0,0,0,0.15);
    box-shadow: -1px 0 0 rgba(255,255,255,0.05);
}

/* ===== GASKETS (joints EPDM noir) ===== */
.gasket {
    position: absolute;
    z-index: 4;
    background: #111;
}

.gasket-top {
    top: 16px; left: 14px; right: 14px;
    height: 2px;
    border-radius: 0 0 1px 1px;
}

.gasket-bottom {
    bottom: 20px; left: 14px; right: 14px;
    height: 2px;
    border-radius: 1px 1px 0 0;
}

.gasket-left {
    top: 18px; bottom: 22px; left: 14px;
    width: 2px;
    border-radius: 0 1px 1px 0;
}

.gasket-right {
    top: 18px; bottom: 22px; right: 14px;
    width: 2px;
    border-radius: 1px 0 0 1px;
}

/* ===== DOUBLE GLAZING UNIT ===== */
.glazing {
    position: absolute;
    top: 18px; bottom: 22px;
    left: 16px; right: 16px;
    overflow: hidden;
    z-index: 2;
}

/* Low-E coating tint */
.glazing-tint {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        170deg,
        rgba(120, 160, 200, 0.12) 0%,
        rgba(140, 180, 220, 0.08) 25%,
        rgba(100, 150, 190, 0.10) 50%,
        rgba(130, 170, 210, 0.14) 75%,
        rgba(110, 155, 195, 0.12) 100%
    );
}

/* Main diagonal reflection (like sun reflecting off exterior glass) */
.glazing-reflect-main {
    position: absolute;
    top: -40%; left: -20%;
    width: 100%; height: 180%;
    background: linear-gradient(
        130deg,
        transparent 0%,
        transparent 30%,
        rgba(255,255,255,0.03) 34%,
        rgba(255,255,255,0.07) 37%,
        rgba(255,255,255,0.14) 40%,
        rgba(255,255,255,0.07) 43%,
        rgba(255,255,255,0.03) 46%,
        transparent 50%,
        transparent 100%
    );
    pointer-events: none;
}

/* Secondary faint reflection */
.glazing-reflect-secondary {
    position: absolute;
    top: 20%; right: -30%;
    width: 80%; height: 100%;
    background: linear-gradient(
        150deg,
        transparent 0%,
        transparent 42%,
        rgba(255,255,255,0.02) 45%,
        rgba(255,255,255,0.05) 48%,
        rgba(255,255,255,0.02) 51%,
        transparent 55%,
        transparent 100%
    );
    pointer-events: none;
}

/* Horizon reflection line (faint bright band at ~40% height) */
.glazing-reflect-horizon {
    position: absolute;
    left: 0; right: 0;
    top: 38%; height: 6%;
    background: linear-gradient(180deg,
        transparent,
        rgba(255,255,255,0.04) 30%,
        rgba(255,255,255,0.06) 50%,
        rgba(255,255,255,0.04) 70%,
        transparent
    );
    pointer-events: none;
}

.reflect-flip {
    transform: scaleX(-1);
}

/* Double glazing spacer bar (visible dark edge at glass perimeter) */
.glazing-spacer {
    position: absolute;
    z-index: 3;
}

.glazing-spacer-top {
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(180deg, #222 0%, #333 50%, rgba(50,50,50,0.5) 100%);
}

.glazing-spacer-bottom {
    bottom: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(0deg, #222 0%, #333 50%, rgba(50,50,50,0.5) 100%);
}

.glazing-spacer-left {
    top: 4px; bottom: 4px; left: 0;
    width: 4px;
    background: linear-gradient(90deg, #222 0%, #333 50%, rgba(50,50,50,0.5) 100%);
}

.glazing-spacer-right {
    top: 4px; bottom: 4px; right: 0;
    width: 4px;
    background: linear-gradient(-90deg, #222 0%, #333 50%, rgba(50,50,50,0.5) 100%);
}

/* ===== CREMONE HANDLE ===== */
.cremone {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 14;
}

.cremone-right { right: 18px; }
.cremone-left { left: 18px; }

.cremone-plate {
    width: 16px;
    height: 50px;
    background: linear-gradient(90deg, #b8b8b8 0%, #d8d8d8 25%, #e8e8e8 40%, #d0d0d0 60%, #b0b0b0 80%, #a0a0a0 100%);
    border-radius: 3px;
    box-shadow:
        0 2px 4px rgba(0,0,0,0.35),
        inset 0 1px 0 rgba(255,255,255,0.4),
        inset 0 -1px 0 rgba(0,0,0,0.15);
    position: relative;
}

.cremone-plate::before {
    content: '';
    position: absolute;
    top: 6px; left: 4px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ccc, #999);
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.5);
}

.cremone-plate::after {
    content: '';
    position: absolute;
    bottom: 6px; left: 4px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ccc, #999);
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.5);
}

.cremone-handle {
    width: 10px;
    height: 42px;
    background: linear-gradient(90deg, #c0c0c0 0%, #e0e0e0 25%, #f0f0f0 40%, #ddd 60%, #bbb 80%, #a8a8a8 100%);
    border-radius: 5px 5px 3px 3px;
    position: absolute;
    bottom: 100%;
    left: 3px;
    margin-bottom: -4px;
    box-shadow:
        1px 0 3px rgba(0,0,0,0.3),
        -1px 0 2px rgba(0,0,0,0.15),
        inset 0 1px 0 rgba(255,255,255,0.5);
}

.cremone-handle::after {
    content: '';
    position: absolute;
    top: 0; left: 2px;
    width: 6px; height: 8px;
    background: linear-gradient(180deg, #e0e0e0, #c8c8c8);
    border-radius: 3px 3px 0 0;
}

/* Hero content */
.hero-content {
    position: relative;
    z-index: 20;
    text-align: center;
    padding: 0 60px;
    max-width: 900px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 1px 10px rgba(0,0,0,0.3);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    text-align: center;
    color: rgba(255,255,255,0.7);
    font-size: 0.8rem;
    animation: fadeInUp 1s ease 1s both;
}

.scroll-arrow {
    margin-top: 8px;
    animation: bounce 2s ease infinite;
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Dark overlay that fades as window opens */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 26, 0.55);
    z-index: 6;
    transition: opacity 0.05s linear;
    pointer-events: none;
}

/* ===== TRUST BAR ===== */
.trust-bar {
    background: var(--primary);
    padding: 32px 0;
    position: relative;
    z-index: 2;
}

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

.trust-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: white;
}

.trust-icon {
    flex-shrink: 0;
    color: var(--accent);
}

.trust-text strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
}

.trust-text span {
    font-size: 0.8rem;
    opacity: 0.75;
}

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-dark);
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-description {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== SERVICES GRID ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: white;
    border-radius: var(--radius);
    padding: 36px 28px;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.service-icon {
    color: var(--primary);
    margin-bottom: 20px;
}

.service-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.service-desc {
    font-size: 0.92rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

/* ===== MATERIALS ===== */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.material-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.material-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.material-header {
    margin-bottom: 16px;
}

.material-header h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.material-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 20px;
    background: #FFF9CC;
    color: #8B7500;
}

.badge-dark {
    background: var(--primary);
    color: white;
}

.badge-warm {
    background: #fef3c7;
    color: #92400e;
}

.badge-premium {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
}

.material-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.material-pros {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.material-pros li {
    font-size: 0.85rem;
    color: var(--text);
    padding-left: 24px;
    position: relative;
}

.material-pros li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: #22c55e;
    font-weight: 700;
}

/* ===== REALISATIONS ===== */
.realisations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.realisation-card {
    border-radius: var(--radius);
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.realisation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.realisation-image {
    height: 220px;
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.realisation-overlay {
    position: relative;
    z-index: 2;
}

.realisation-cat {
    display: inline-block;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.realisation-info {
    padding: 24px;
}

.realisation-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.realisation-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ===== ENGAGEMENTS ===== */
.engagements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.engagement-card {
    padding: 32px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.engagement-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.engagement-number {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.5;
    margin-bottom: 8px;
    line-height: 1;
}

.engagement-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.engagement-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== PROCESS ===== */
.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.process-step {
    flex: 1;
    max-width: 240px;
    text-align: center;
    position: relative;
    padding: 0 16px;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    border-radius: 50%;
    color: var(--primary);
}

.step-number {
    width: 28px;
    height: 28px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
}

.process-step h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.process-step p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

.process-connector {
    width: 60px;
    height: 2px;
    background: var(--border);
    margin-top: 45px;
    flex-shrink: 0;
}

/* ===== TESTIMONIALS ===== */
.rating-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.stars {
    display: flex;
    gap: 2px;
}

.rating-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

/* Reviews carousel */
.reviews-carousel {
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}

.reviews-track {
    display: flex;
    gap: 24px;
    animation: reviewsScroll 40s linear infinite;
    width: max-content;
}

.reviews-track:hover {
    animation-play-state: paused;
}

@keyframes reviewsScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.review-card {
    flex: 0 0 360px;
    background: white;
    border-radius: var(--radius);
    padding: 28px 32px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.review-card:hover {
    box-shadow: var(--shadow-lg);
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.review-stars {
    display: flex;
    gap: 2px;
}

.review-time {
    font-size: 0.75rem;
    color: var(--text-lighter);
}

.review-text {
    font-size: 0.93rem;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 18px;
    font-style: italic;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.review-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.review-author strong {
    display: block;
    font-size: 0.88rem;
    color: var(--text);
}

.review-author span {
    font-size: 0.78rem;
    color: var(--text-light);
}

.review-google-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    color: var(--text-lighter);
}

/* CTA Laisser un avis */
.reviews-cta {
    text-align: center;
    margin-top: 36px;
}

.btn-google-review {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: white;
    color: var(--text);
    border: 2px solid var(--border);
    border-radius: 60px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-google-review:hover {
    border-color: #4285F4;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* ===== ZONE D'INTERVENTION ===== */
.zone-intervention .section-subtitle {
    max-width: 780px;
    margin: 0 auto;
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
}

.zone-departments {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.zone-dept {
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 28px 24px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.zone-dept:hover {
    box-shadow: var(--shadow-md);
}

.zone-dept-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
}

.zone-dept-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--primary-dark);
    font-size: 0.82rem;
    font-weight: 700;
    flex-shrink: 0;
}

.zone-cities {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.zone-city {
    display: inline-block;
    padding: 4px 12px;
    background: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
    border: 1px solid var(--border);
}

.zone-seo-text {
    margin-top: 40px;
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== CTA / DEVIS FORM ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 12px;
}

.cta-content > p {
    font-size: 1.05rem;
    opacity: 0.85;
    margin-bottom: 40px;
}

.devis-form {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.12);
    text-align: left;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.85);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.4);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.15);
}

.form-group select option {
    background: var(--primary-dark);
    color: white;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
}

.form-legal {
    text-align: center;
    font-size: 0.75rem;
    opacity: 0.5;
    margin-top: 16px;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--accent-dark);
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

.contact-item a {
    color: var(--primary);
    font-weight: 500;
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--primary-dark);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-name {
    color: white;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-lighter);
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li,
.footer-links a {
    font-size: 0.85rem;
    color: var(--text-lighter);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-lighter);
}

.footer-bottom a {
    color: var(--text-lighter);
    transition: color var(--transition);
}

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

.admin-link {
    opacity: 0.4;
    transition: opacity 0.3s;
}

.admin-link:hover {
    opacity: 1;
}

/* ===== LIGHTBOX / CAROUSEL ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.lightbox.open {
    opacity: 1;
    visibility: visible;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.lightbox-container {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    transform: scale(0.92) translateY(20px);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.open .lightbox-container {
    transform: scale(1) translateY(0);
}

.lightbox-close {
    position: absolute;
    top: -48px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-content {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

/* Carousel */
.lightbox-carousel {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #111;
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-slide-gradient {
    min-width: 100%;
    height: 100%;
}

/* Carousel nav buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    color: #1a1a1a;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    transition: all 0.2s ease;
    z-index: 5;
}

.carousel-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

/* Dots */
.carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.carousel-dot.active {
    background: white;
    transform: scale(1.15);
}

/* Lightbox info panel */
.lightbox-info {
    padding: 28px 32px;
}

.lightbox-cat {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-dark);
    margin-bottom: 8px;
}

.lightbox-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

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

/* Make realisation cards clickable */
.realisation-card {
    cursor: pointer;
}

@media (max-width: 768px) {
    .lightbox-container {
        width: 95%;
    }

    .lightbox-info {
        padding: 20px;
    }

    .lightbox-title {
        font-size: 1.2rem;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
    }

    .carousel-prev { left: 8px; }
    .carousel-next { right: 8px; }

    .lightbox-close {
        top: -44px;
        right: 4px;
    }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        inset: 0;
        background: var(--primary-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
    }

    .nav.open {
        display: flex;
    }

    .nav-link {
        font-size: 1.2rem;
        color: white !important;
    }

    .menu-toggle {
        display: flex;
    }

    /* Hero window: full-bleed on mobile */
    .hero-window {
        inset: 1vh 0 2vh;
    }

    .room-wall-left,
    .room-wall-right {
        width: 0;
    }

    .room-wall-top {
        height: 1vh;
    }

    .room-wall-bottom {
        height: 2vh;
    }

    .room-radiator {
        display: none;
    }

    .dormant-left,
    .dormant-right {
        width: 12px;
    }

    .dormant-top {
        height: 18px;
    }

    .dormant-bottom {
        height: 22px;
    }

    .dormant-mullion {
        top: 18px;
        bottom: 22px;
        width: 12px;
    }

    .dormant-left {
        top: 18px;
        bottom: 22px;
    }

    .dormant-right {
        top: 18px;
        bottom: 22px;
    }

    .window-panel {
        top: 18px;
        bottom: 22px;
    }

    .window-left {
        left: 12px;
        right: calc(50% + 6px);
    }

    .window-right {
        left: calc(50% + 6px);
        right: 12px;
    }

    .dormant-groove {
        left: 12px;
        right: 12px;
    }

    .dormant-seal {
        left: 12px;
        right: 12px;
    }

    .dormant-rail {
        left: 12px;
        right: 12px;
    }

    .window-sill {
        left: -4px;
        right: -4px;
    }

    .hero-content {
        padding: 0 24px;
    }

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

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

    .review-card {
        flex: 0 0 280px;
        padding: 22px 24px;
    }

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

    .zone-departments {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .zone-cities {
        justify-content: center;
    }

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

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

    .devis-form {
        padding: 24px;
    }

    .process-steps {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .process-connector {
        width: 2px;
        height: 32px;
        margin-top: 0;
    }

    .process-step {
        max-width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: 70px 0;
    }
}

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

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }
}