/* Base */
:root {
    /* Palette de couleurs moderne */
    --black: #000000;
    --dark-gray: #121212;
    --white: #ffffff;
    --off-white: #f8f8f8;
    --gray-10: #f7f7f7;
    --gray-20: #ebebeb;
    --gray-30: #c6c6c6;
    --gray-40: #929292;
    --gray-50: #6e6e6e;
    --gray-60: #222222;
    --gray-70: #161616;
    --accent-color: #7c4dff; /* Violet - couleur d'accent */
    --accent-secondary: #3d5afe; /* Bleu - couleur secondaire */
    
    /* Transitions */
    --transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --menu-animation-duration: 0.4s;
    --menu-link-animation-duration: 0.3s;
    --menu-easing: cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Animations scroll */
    --scroll-animation-duration: 0.8s;
    --scroll-animation-easing: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
    line-height: 1.2;
    font-weight: 400;
}

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

/* Animation Keyframes */
@keyframes revealUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes waveform {
    0% { transform: scaleY(0.2); }
    20% { transform: scaleY(0.8); }
    40% { transform: scaleY(0.4); }
    60% { transform: scaleY(1); }
    80% { transform: scaleY(0.5); }
    100% { transform: scaleY(0.2); }
}

@keyframes horizontal-shaking {
    0% { transform: translateX(0) }
    25% { transform: translateX(3px) }
    50% { transform: translateX(-3px) }
    75% { transform: translateX(3px) }
    100% { transform: translateX(0) }
}

/* Layout */
.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.flex { display: flex; }
.grid { display: grid; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.display {
    font-size: clamp(3.5rem, 15vw, 12rem);
    line-height: 0.85;
    font-weight: 900;
    letter-spacing: -0.05em;
    text-transform: uppercase;
}
.supertext {
    font-size: 0.875rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 500;
}
.uppercase { text-transform: uppercase; }

/* Navigation */
.nav {
    position: fixed; top: 0; left: 0; width: 100%;
    padding: 30px 0; z-index: 100;
    background-color: var(--black);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.nav-container {
    display: flex; justify-content: flex-end; align-items: center;
    height: 100%;
}
.nav-logo {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    font-weight: 800; letter-spacing: -0.03em; font-size: 1.2rem;
    color: var(--white); text-decoration: none; z-index: 1002;
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-link {
    color: var(--white); text-decoration: none; font-size: 0.85rem;
    font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
    transition: opacity var(--transition);
}
.nav-link:hover { opacity: 0.7; }

/* Hamburger Menu */
.hamburger {
    display: none; cursor: pointer; background: transparent;
    border: none; padding: 0; z-index: 1001; position: relative;
}
.hamburger-bar {
    display: block; width: 25px; height: 3px;
    margin: 5px auto; background-color: var(--white);
    transition: all 0.3s ease-in-out;
}

/* Hero Section Revisitée */
.hero {
    height: 100vh;
    background: linear-gradient(125deg, #0F0F0F 0%, #1A1A1A 100%);
    position: relative;
    overflow: hidden;
    color: var(--white);
}

/* Effets de fond dynamiques */
.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(61, 90, 254, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(124, 77, 255, 0.07) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
}

/* Motif de points subtil */
.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 25px 25px;
    opacity: 0.5;
    z-index: 0;
    pointer-events: none;
}

.hero-grid {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    padding: 0 20px;
    position: relative;
}

/* Élément décoratif au-dessus du titre */
.hero-content::before {
    content: "";
    width: 40px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 4px;
}

.hero-claim {
    display: inline-block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.07);
    padding: 8px 16px;
    border-radius: 50px;
    animation: revealUp 1s 0.4s forwards;
    opacity: 0;
}

.hero-title {
    font-size: clamp(5rem, 22vw, 15rem);
    line-height: 0.8;
    font-weight: 900;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    animation: revealUp 1s 0.6s forwards;
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    display: inline-block;
}

/* Effet de dégradé moderne pour le titre */
.hero-title {
    background: linear-gradient(90deg, #ffffff 0%, #a9a9a9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    filter: drop-shadow(0px 10px 20px rgba(0, 0, 0, 0.5));
}

/* Effet lumineux derrière le titre */
.hero-title::after {
    content: "";
    position: absolute;
    width: 120%;
    height: 100%;
    top: 0;
    left: -10%;
    background: radial-gradient(ellipse at center, rgba(124, 77, 255, 0.2) 0%, transparent 70%);
    z-index: -1;
}

.hero-desc {
    max-width: 700px;
    font-size: 1.1rem;
    margin: 0 auto 4rem;
    font-weight: 300;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.75);
    animation: revealUp 1s 0.8s forwards;
    opacity: 0;
    transform: translateY(30px);
}

.btn-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: revealUp 1s 1s forwards;
    opacity: 0;
    transform: translateY(30px);
}

/* Nouveaux styles pour les boutons */
.btn {
    display: inline-block;
    padding: 1.1rem 2.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    color: white;
    box-shadow: 0 8px 20px -6px rgba(124, 77, 255, 0.6);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 25px -5px rgba(124, 77, 255, 0.8);
}

.btn-primary:active {
    transform: translateY(-2px) scale(1.01);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 15px -5px rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 20px -5px rgba(124, 77, 255, 0.4);
}

.btn-outline:active {
    transform: translateY(-2px);
}

/* Stylisation des waveforms */
.waveform {
    position: absolute;
    bottom: 40px;
    right: 0;
    width: 40%;
    max-width: 500px;
    height: 100px;
    display: flex;
    align-items: center;
    gap: 3px;
    z-index: 1;
}

.waveform-top-left {
    position: absolute;
    top: 40px;
    left: 0;
    width: 40%;
    max-width: 500px;
    height: 100px;
    display: flex;
    align-items: center;
    gap: 3px;
    z-index: 1;
}

.waveform-bar {
    flex: 1;
    height: 30%;
    border-radius: 2px;
    transform-origin: bottom;
    animation: waveform 1.5s infinite;
    animation-timing-function: ease-in-out;
}

.waveform .waveform-bar {
    background: linear-gradient(to top, var(--accent-color), rgba(255, 255, 255, 0.5));
    opacity: 0.2;
}

.waveform-top-left .waveform-bar {
    transform-origin: top;
    background: linear-gradient(to bottom, var(--accent-secondary), rgba(255, 255, 255, 0.5));
    opacity: 0.15;
}

.waveform-bar:nth-child(1) { animation-delay: 0.1s; }
.waveform-bar:nth-child(2) { animation-delay: 0.2s; }
.waveform-bar:nth-child(3) { animation-delay: 0.3s; }
.waveform-bar:nth-child(4) { animation-delay: 0.4s; }
.waveform-bar:nth-child(5) { animation-delay: 0.5s; }
.waveform-bar:nth-child(6) { animation-delay: 0.6s; }
.waveform-bar:nth-child(7) { animation-delay: 0.7s; }
.waveform-bar:nth-child(8) { animation-delay: 0.8s; }
.waveform-bar:nth-child(9) { animation-delay: 0.9s; }
.waveform-bar:nth-child(10) { animation-delay: 1.0s; }
.waveform-bar:nth-child(11) { animation-delay: 1.1s; }
.waveform-bar:nth-child(12) { animation-delay: 1.2s; }
.waveform-bar:nth-child(13) { animation-delay: 1.3s; }
.waveform-bar:nth-child(14) { animation-delay: 1.4s; }
.waveform-bar:nth-child(15) { animation-delay: 1.5s; }
.waveform-bar:nth-child(16) { animation-delay: 1.6s; }
.waveform-bar:nth-child(17) { animation-delay: 1.7s; }
.waveform-bar:nth-child(18) { animation-delay: 1.8s; }
.waveform-bar:nth-child(19) { animation-delay: 1.9s; }
.waveform-bar:nth-child(20) { animation-delay: 2.0s; }

/* Featured Section */
.featured {
    padding: 80px 0 60px; 
    background-color: var(--off-white);
    position: relative; 
    overflow: hidden;
}
.featured > .container { position: relative; z-index: 1; }

.featured::before {
    content: ""; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background-image:
        radial-gradient(rgba(0, 0, 0, 0.03) 0.5px, transparent 0.5px),
        radial-gradient(rgba(0, 0, 0, 0.02) 0.5px, transparent 0.5px);
    background-size: 20px 20px, 30px 30px;
    background-position: 0 0, 10px 10px;
    z-index: 0; 
    pointer-events: none;
}
.featured-grid-accent {
    position: absolute; 
    opacity: 0.02; 
    width: 100%; 
    height: 100%;
    top: 0; 
    left: 0; 
    background-size: 60px 60px;
    background-image:
        linear-gradient(to right, var(--black) 1px, transparent 1px),
        linear-gradient(to bottom, var(--black) 1px, transparent 1px);
    z-index: 0;
}

.section-header { 
    margin-bottom: 50px; 
    position: relative; 
}
.section-title { 
    font-size: 5rem; 
    margin-bottom: 1.5rem; 
    background: linear-gradient(135deg, var(--black) 0%, var(--gray-60) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-line {
    width: 100px; 
    height: 3px; 
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    margin-bottom: 1.5rem;
}
.section-subtitle {
    font-size: 1.1rem; 
    max-width: 600px; 
    color: var(--gray-50);
    line-height: 1.6; 
    font-weight: 300;
}
.beatstars-player-container {
    margin: 0 auto; 
    max-width: 1024px;
    border-radius: 12px; 
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    background: var(--white);
    border: 1px solid var(--gray-20);
    transition: transform var(--transition), box-shadow var(--transition);
}
.beatstars-player-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}
.beatstars-player-container iframe {
    display: block; 
    width: 100%; 
    border: none;
}

/* Particules (Classe générale) */
.particle {
    position: absolute; background-color: var(--particle-color, var(--gray-50));
    border-radius: 50%; pointer-events: none;
    animation-name: var(--particle-animation-name, particleDriftFeatured);
    animation-timing-function: linear; animation-iteration-count: infinite;
    opacity: 0; z-index: 0;
    width: var(--particle-size); height: var(--particle-size);
    top: var(--start-y); left: var(--start-x);
    animation-duration: var(--duration); animation-delay: var(--delay);
}
@keyframes particleDriftFeatured {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    20% { opacity: var(--max-opacity, 0.8); }
    80% { opacity: var(--max-opacity, 0.8); }
    100% { transform: translateY(var(--travel-y, -400px)) translateX(var(--travel-x, 30px)); opacity: 0; }
}
@keyframes particleDriftApproach {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    25% { opacity: var(--max-opacity, 0.3); }
    50% { transform: translateY(calc(var(--travel-y, -200px) * 0.5)) translateX(var(--travel-x-amplitude, 15px)); }
    75% { opacity: var(--max-opacity, 0.3); }
    100% { transform: translateY(var(--travel-y, -200px)) translateX(calc(var(--travel-x-amplitude, 15px) * -0.5)); opacity: 0; }
}

/* Approach Section - STYLES CONSERVÉS MÊME SI LA SECTION EST SUPPRIMÉE */
.approach {
    padding: 180px 0; background-color: var(--black); color: var(--white);
    position: relative; overflow: hidden;
}
.approach > .container { position: relative; z-index: 1; }

.approach::before {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.03) 0.7px, transparent 0.7px),
        radial-gradient(rgba(255, 255, 255, 0.02) 0.5px, transparent 0.5px);
    background-size: 22px 22px, 35px 35px;
    background-position: 0 0, 11px 11px;
    z-index: 0; pointer-events: none;
}
.approach-grid-accent {
    position: absolute; opacity: 0.02; width: 100%; height: 100%;
    top: 0; left: 0; background-size: 70px 70px;
    background-image:
        linear-gradient(to right, var(--white) 1px, transparent 1px),
        linear-gradient(to bottom, var(--white) 1px, transparent 1px);
    z-index: 0;
}

.approach-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 100px; align-items: center;
}
.approach-content { max-width: 500px; }
.approach .section-line { background-color: var(--white); }
.approach-title { font-size: 3.5rem; margin-bottom: 2rem; }
.approach-text { font-size: 1.1rem; line-height: 1.8; margin-bottom: 2rem; font-weight: 300; opacity: 0.9; }
.approach-signature { font-size: 1.5rem; font-style: italic; margin-top: 3rem; opacity: 0.5; }
.approach-visual { position: relative; height: 100%; }
.visual-element { position: relative; width: 100%; aspect-ratio: 1; background: var(--gray-70); overflow: hidden; }
.visual-pattern { position: absolute; width: 100%; height: 100%; background-size: 20px 20px; background-image: radial-gradient(circle, var(--white) 1px, transparent 1px); opacity: 0.05; }

/* Contact Section */
.contact {
    padding: 60px 0 180px; 
    background-color: var(--white); 
    color: var(--black);
    position: relative; 
    overflow: hidden;
}
.contact > .container { position: relative; z-index: 1; }

.contact::before {
    content: ""; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background-image:
        radial-gradient(rgba(0, 0, 0, 0.02) 0.4px, transparent 0.4px),
        radial-gradient(rgba(0, 0, 0, 0.015) 0.3px, transparent 0.3px);
    background-size: 18px 18px, 28px 28px;
    background-position: 0 0, 9px 9px;
    z-index: 0; 
    pointer-events: none;
}
.contact-grid-accent {
    position: absolute; 
    opacity: 0.015; 
    width: 100%; 
    height: 100%;
    top: 0; 
    left: 0; 
    background-size: 50px 50px;
    background-image:
        linear-gradient(to right, var(--black) 1px, transparent 1px),
        linear-gradient(to bottom, var(--black) 1px, transparent 1px);
    z-index: 0;
}

.contact-content { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 100px; 
}
.contact-info { 
    max-width: 400px; 
}
.contact-info .section-line { 
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
}
.contact-title { 
    font-size: 3rem; 
    margin-bottom: 2rem; 
    color: var(--black); 
    background: linear-gradient(135deg, var(--black) 0%, var(--gray-60) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.contact-text { 
    font-size: 1.1rem; 
    line-height: 1.8; 
    margin-bottom: 3rem; 
    font-weight: 300; 
    opacity: 0.8; 
    color: var(--gray-50); 
}
.contact-form { 
    width: 100%; 
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-20);
}
.form-group { margin-bottom: 2rem; }
.input-label { 
    display: block; 
    font-size: 0.825rem; 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
    margin-bottom: 1rem; 
    color: var(--gray-50); 
    opacity: 1; 
}
.input-field { 
    width: 100%; 
    background: transparent; 
    border: none; 
    border-bottom: 2px solid var(--gray-30); 
    padding: 1rem 0; 
    color: var(--black); 
    font-size: 1rem; 
    transition: border-color var(--transition); 
}
.input-field:focus { 
    outline: none; 
    border-color: var(--accent-color); 
}
textarea.input-field { 
    min-height: 150px; 
    resize: vertical; 
}

/* Formulaire dark pour la section Contact */
.btn-dark-solid {
    background: linear-gradient(135deg, var(--black) 0%, var(--gray-60) 100%);
    color: var(--white);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    border-radius: 50px;
}
.btn-dark-solid:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}
.btn-dark-solid:active {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 100px 0 40px; 
    background: linear-gradient(135deg, var(--black) 0%, #1a1a1a 100%);
    color: rgba(255, 255, 255, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative; 
    overflow: hidden;
}
.footer > .container { position: relative; z-index: 1; }

.footer::before {
    content: ""; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.02) 0.3px, transparent 0.3px),
        radial-gradient(rgba(255, 255, 255, 0.015) 0.2px, transparent 0.2px);
    background-size: 15px 15px, 25px 25px;
    background-position: 0 0, 7px 7px;
    z-index: 0; 
    pointer-events: none;
}
.footer-grid-accent {
    position: absolute; 
    opacity: 0.01; 
    width: 100%; 
    height: 100%;
    top: 0; 
    left: 0; 
    background-size: 40px 40px;
    background-image:
        linear-gradient(to right, var(--white) 1px, transparent 1px),
        linear-gradient(to bottom, var(--white) 1px, transparent 1px);
    z-index: 0;
}

.footer-grid { 
    display: grid; 
    grid-template-columns: 1fr; 
    justify-items: center; 
    gap: 30px; 
    margin-bottom: 80px; 
}
.footer-brand { 
    max-width: 450px; 
    text-align: center; 
}
.footer-logo { 
    font-size: 2rem; 
    font-weight: 900; 
    margin-bottom: 1.5rem; 
    color: var(--white); 
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.footer-desc { 
    opacity: 0.7; 
    line-height: 1.7; 
    font-weight: 300; 
}
.social-links { 
    display: flex; 
    justify-content: center; 
    gap: 20px; 
    margin-top: 2rem; 
}
.social-link { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 40px; 
    height: 40px; 
    border: 1px solid rgba(255, 255, 255, 0.3); 
    transition: all var(--transition); 
    color: var(--white); 
    text-decoration: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}
.social-link:hover { 
    border-color: var(--accent-color); 
    transform: translateY(-3px); 
    color: var(--accent-color);
    box-shadow: 0 6px 15px rgba(124, 77, 255, 0.2);
}
.social-link:active { transform: translateY(0); }
.copyright { 
    text-align: center; 
    padding-top: 40px; 
    border-top: 1px solid rgba(255, 255, 255, 0.1); 
    font-size: 0.875rem; 
    opacity: 0.5; 
    font-weight: 300; 
}

/* Animations On Scroll */
.animate-on-scroll { 
    opacity: 0; 
    will-change: opacity, transform; 
    transition: opacity var(--scroll-animation-duration) var(--scroll-animation-easing), 
                transform var(--scroll-animation-duration) var(--scroll-animation-easing); 
}
.fade-in {}
.fade-in-up { transform: translateY(50px); }
.fade-in-down { transform: translateY(-50px); }
.fade-in-left { transform: translateX(-50px); }
.fade-in-right { transform: translateX(50px); }
.zoom-in { transform: scale(0.9); }
.animate-on-scroll.is-visible { 
    opacity: 1; 
    transform: translateY(0) translateX(0) scale(1); 
}

/* Responsive */
@media (max-width: 1200px) {
    .section-title { font-size: 4rem; }
    .contact-title { font-size: 3rem; }
    .contact-content { gap: 60px; }
    .waveform, .waveform-top-left { width: 30%; max-width: 350px; }
    .waveform-top-left { top: 30px; }
    .waveform { bottom: 60px; }
}

@media (max-width: 992px) {
    .contact-content { grid-template-columns: 1fr; gap: 60px; }
    .contact-form {
        max-width: 600px;
        margin: 0 auto;
    }
    .approach-grid { grid-template-columns: 1fr; }
    .approach-visual { margin-top: 40px; }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(4rem, 18vw, 10rem);
    }
    
    .hero-desc {
        font-size: 1rem;
        padding: 0 10px;
        margin-bottom: 3rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        padding: 1rem 1rem;
    }
    
    .section-title { font-size: 3rem; }
    .contact-title { font-size: 2.5rem; }
    .waveform, .waveform-top-left { width: 50%; height: 80px; gap: 2px; }
    .waveform-top-left { top: 30px; }
    .waveform { bottom: 30px; }
    
    .featured::before, .contact::before, .footer::before {
        background-size: 15px 15px, 25px 25px;
    }
    .featured-grid-accent, .contact-grid-accent, .footer-grid-accent {
        background-size: 40px 40px;
    }
    
    .nav-links {
        position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        background-color: var(--black); flex-direction: column; justify-content: center; align-items: center;
        gap: 2rem; z-index: 1000; opacity: 0; transform: translateY(20px); visibility: hidden;
        transition: opacity var(--menu-animation-duration) var(--menu-easing), transform var(--menu-animation-duration) var(--menu-easing), visibility 0s linear var(--menu-animation-duration);
        display: none;
    }
    .nav-links.active {
        opacity: 1; transform: translateY(0); visibility: visible; display: flex;
        transition: opacity var(--menu-animation-duration) var(--menu-easing), transform var(--menu-animation-duration) var(--menu-easing), visibility 0s linear 0s;
    }
    .nav-links .nav-link {
        font-size: 1.2rem; color: var(--white); opacity: 0; transform: translateY(15px);
        transition: opacity var(--menu-link-animation-duration) ease-out, transform var(--menu-link-animation-duration) ease-out;
    }
    .nav-links.active .nav-link {
        opacity: 1;
        transform: translateY(0);
    }
    .nav-links.active .nav-link:nth-child(1) { transition-delay: calc(var(--menu-animation-duration) * 0.3); }
    .nav-links.active .nav-link:nth-child(2) { transition-delay: calc(var(--menu-animation-duration) * 0.3 + 0.05s); }
    .nav-links.active .nav-link:nth-child(3) { transition-delay: calc(var(--menu-animation-duration) * 0.3 + 0.1s); }
    
    .hamburger { display: block; }
    .hamburger.active .hamburger-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .hamburger-bar:nth-child(2) { opacity: 0; }
    .hamburger.active .hamburger-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

@media (max-width: 480px) {
    .hero-claim {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .hero-title {
        font-size: clamp(3rem, 16vw, 7rem);
    }
    
    .hero-desc {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .waveform, .waveform-top-left { width: 60%; height: 60px; gap: 1px; }
    .waveform-top-left { top: 0px; }
    .waveform { bottom: 20px; }
    .section-title { font-size: 2.5rem; }
    .contact-title { font-size: 2rem; }
    
    .featured::before, .contact::before, .footer::before {
        background-size: 10px 10px, 20px 20px;
    }
    .featured-grid-accent, .contact-grid-accent, .footer-grid-accent {
        background-size: 30px 30px;
    }
}