/* RESPONSIVE DESIGN - UNDEFINED STUDIO */
/* Design senior spécialisé dans le responsive - Ne touche pas au desktop */

/* ===== TABLETTE (768px - 1024px) ===== */
@media screen and (max-width: 1024px) and (min-width: 768px) {
  
  /* Loading Screen Tablette */
  .loading-logo {
    font-size: clamp(3.5rem, 8vw, 6rem);
    letter-spacing: 0.2em;
  }
  
  .loading-progress-container {
    width: 300px;
    height: 50px;
  }
  
  .loading-text {
    font-size: 1.1rem;
  }
  
  /* Hero Section Tablette */
  .hero {
    padding: 3vh 4% 3vh 4%;
  }
  
  .line1 {
    font-size: clamp(5rem, 22vw, 20rem);
    letter-spacing: -0.06em;
  }
  
  .line2-wrapper {
    gap: clamp(0.8rem, 2vw, 2rem);
  }
  
  .line2-text {
    font-size: clamp(3.5rem, 16vw, 16rem);
  }
  
  .circle-wrapper {
    width: clamp(150px, 18vw, 250px);
    height: clamp(150px, 18vw, 250px);
    right: 3%;
  }
  
  .circle-text {
    font-size: clamp(0.7rem, 1vw, 1.2rem);
  }
  
  .line3 {
    font-size: clamp(2.5rem, 8vw, 7rem);
  }
  
  /* You Can Section Tablette */
  .you-can-container {
    padding: 0 4%;
    gap: 2rem;
  }
  
  .pinned-text {
    font-size: clamp(2.5rem, 5vw, 6rem);
  }
  
  .word-item {
    font-size: clamp(2.5rem, 5vw, 6rem);
    height: clamp(3.5rem, 6vw, 8rem);
  }
  
  /* Motion Design Section Tablette */
  .slogan {
    font-size: clamp(2.5rem, 6vw, 7rem);
    padding: 0 4%;
  }
  
  .shape {
    border-radius: 20px;
    border: 5px solid #000;
  }
  
  /* Text Animation Section Tablette */
  .intro-text {
    font-size: clamp(3rem, 6vw, 7rem);
  }
  
  .transform-text {
    font-size: clamp(4rem, 8vw, 9rem);
  }
  
  .secondary-word {
    font-size: clamp(2.5rem, 5vw, 5.5rem);
  }
  
  .final-text {
    font-size: clamp(3rem, 6vw, 7rem);
  }
  
  /* Cards Section Tablette */
  .cards-container {
    padding: 0 1.5rem;
  }
  
  .card {
    width: 90%;
    height: 80vh;
    flex-direction: column;
  }
  
  .card-left {
    padding: 2rem;
    flex: 0 0 auto;
  }
  
  .card-right {
    padding: 1.5rem;
    flex: 1;
    min-height: 300px;
  }
  
  .card-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
  }
  
  .card-subtitle {
    font-size: clamp(1.2rem, 2vw, 2rem);
    margin-bottom: 2rem;
  }
  
  .scatter-img {
    width: 35%;
  }
  
  /* Contact Section Tablette */
  .contact-section {
    padding: 80px 40px;
    margin-top: 150px;
  }
  
  .contact-title {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 60px;
  }
  
  .contact-form {
    padding: 60px 40px;
  }
  
  /* Footer Tablette */
  .footer {
    padding: 80px 40px 40px;
  }
  
  .footer-logo {
    font-size: clamp(2rem, 4vw, 3rem);
  }
}

/* ===== MOBILE (max 767px) ===== */
@media screen and (max-width: 767px) {
  
  /* Variables mobiles optimisées */
  :root {
    --mobile-padding: 5vw;
    --mobile-gap: 1.5rem;
  }
  
  /* Optimisations globales mobile */
  body {
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Loading Screen Mobile Ultra */
  .loading-screen {
    background: radial-gradient(ellipse at center, #0a0a0a 0%, #000000 100%);
  }
  
  .loading-screen::before {
    background-size: 30px 30px;
    animation: gridMove 25s linear infinite;
  }
  
  .loading-logo {
    font-size: clamp(2.5rem, 12vw, 4rem);
    letter-spacing: 0.15em;
    margin-bottom: 3rem;
  }
  
  .loading-letter {
    transform: translateY(60px) rotateX(90deg);
  }
  
  .loading-progress-container {
    width: 85%;
    max-width: 300px;
    height: 40px;
    margin: 0 auto 2rem;
    border-radius: 20px;
  }
  
  .loading-progress {
    border-radius: 18px;
  }
  
  .loading-text {
    font-size: 1rem;
    margin-top: 1.5rem;
  }
  
  /* Grid Background Mobile */
  .grid-bg {
    background-size: 40px 40px;
    opacity: 0.5;
  }
  
  /* Hero Section Mobile REDESIGN COMPLET */
  .hero {
    padding: 3vh 4vw;
    min-height: 100vh;
    height: auto;
    display: flex;
    align-items: center;
  }
  
  .hero-content {
    gap: 0;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
  }
  
  /* Réorganisation complète pour mobile */
  .line1 {
    font-size: clamp(3.5rem, 15vw, 5rem);
    letter-spacing: -0.02em;
    line-height: 0.9;
    margin-bottom: 1rem;
    text-align: center;
    width: 100%;
    /* Split sur deux lignes pour mobile */
    display: flex;
    flex-direction: column;
    gap: 0.2em;
  }
  
  .line1::after {
    content: "STUDIO";
    display: block;
  }
  
  .line1 span {
    display: none; /* Cache les spans originaux */
  }
  
  /* Version mobile du line1 avec meilleur split */
  @media screen and (max-width: 767px) {
    .line1 {
      font-size: 13vw;
      font-weight: 900;
      line-height: 0.85;
    }
    
    .line1::before {
      content: "UNDEFINED";
      display: block;
      background: var(--rainbow-gradient);
      background-size: 300% 100%;
      background-clip: text;
      -webkit-background-clip: text;
      color: transparent;
      animation: rainbowFlow 4s ease-in-out infinite;
      text-shadow: 0 0 30px rgba(0,255,136,0.4);
    }
    
    .line1::after {
      content: "STUDIO";
      display: block;
      margin-top: -0.1em;
    }
  }
  
  .line2-wrapper {
    display: none; /* Cache complètement line2 sur mobile */
  }
  
  /* Nouveau design pour remplacer line2 sur mobile */
  .hero-content::after {
    content: "Créateur d'expériences digitales";
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1rem, 4vw, 1.5rem);
    font-weight: 400;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.05em;
    margin: 2rem 0;
    text-transform: uppercase;
  }
  
  .circle-wrapper {
    display: none; /* Cache le cercle sur mobile */
  }
  
  .line3 {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    letter-spacing: 0.1em;
    text-align: center;
    margin-top: auto;
    margin-bottom: 2rem;
    font-weight: 300;
    opacity: 0.8;
  }
  
  /* You Can Section Mobile REFONTE COMPLÈTE */
  .you-can-section {
    height: 400vh; /* Plus de hauteur pour un meilleur scroll */
  }
  
  .you-can-container {
    flex-direction: row; /* Garde la direction horizontale */
    padding: 0 4vw;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-start;
  }
  
  .pinned-text {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    height: auto;
    margin-right: 0.5rem;
    flex-shrink: 0;
    white-space: nowrap;
  }
  
  .words-container {
    height: 50vh;
    max-height: 300px;
    width: 100%;
    position: relative;
    flex: 1;
  }
  
  .scrolling-words-list {
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  
  .word-item {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    height: clamp(2.2rem, 8vw, 3rem);
    text-align: left;
    width: 100%;
    padding: 0;
    display: flex;
    align-items: center;
    white-space: nowrap;
    transform-origin: left center;
  }
  
  /* Ajustement des couleurs pour mobile */
  .word-item {
    color: rgba(255,255,255,0.15);
  }
  
  .word-item.visible {
    color: rgba(255,255,255,0.4);
  }
  
  .word-item.active {
    color: transparent;
    background: linear-gradient(90deg, #00ff88, #00ccff);
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    transform: scale(1.02);
    text-shadow: 0 0 20px rgba(0,255,136,0.5);
  }
  
  /* Motion Design Mobile */
  .motion-section {
    padding: 0 var(--mobile-padding);
    margin-bottom: 80vh;
  }
  
  .slogan {
    font-size: clamp(2rem, 10vw, 3.5rem);
    line-height: 1;
    letter-spacing: -0.02em;
  }
  
  .slogan-line {
    margin-bottom: 0.3em;
  }
  
  .floating-shapes {
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
  }
  
  .shape {
    border-radius: 15px;
    border: 4px solid #000;
    box-shadow: 
      0 10px 25px rgba(0,0,0,0.5),
      inset 0 2px 4px rgba(255,255,255,0.2);
  }
  
  .shape:hover {
    transform: scale(1.15) rotate(10deg) !important;
  }
  
  /* Text Animation Mobile REFONTE TOTALE */
  .text-animation-section {
    height: 600vh;
    margin-bottom: 10vh;
  }
  
  .text-animation-container {
    padding: 0;
  }
  
  .text-sequence {
    width: 300vw;
    transform: translateX(0);
    height: 100%;
    display: flex;
    align-items: center;
  }
  
  .text-segment {
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5vw;
  }
  
  /* Segment Intro Mobile */
  .segment-intro {
    background: transparent;
  }
  
  .intro-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .intro-text {
    font-size: clamp(2.2rem, 9vw, 3rem);
    text-align: center;
    line-height: 1.2;
    width: 100%;
  }
  
  .word {
    margin: 0 0.15em;
    transform: translateY(40px) rotate(3deg);
    display: inline-block;
  }
  
  .intro-shape {
    border: 2px solid #000;
    position: absolute;
  }
  
  .shape-circle {
    width: 60px;
    height: 60px;
    top: -15%;
    right: 10%;
  }
  
  .shape-square {
    width: 50px;
    height: 50px;
    bottom: -15%;
    left: 10%;
    border-radius: 10px;
  }
  
  /* Segment Middle Mobile */
  .segment-middle {
    background: transparent;
  }
  
  .middle-wrapper {
    text-align: center;
    width: 100%;
    position: relative;
  }
  
  .transform-text {
    font-size: clamp(2.5rem, 11vw, 4rem);
    line-height: 1;
    margin-bottom: 1.5rem;
  }
  
  .transform-shape {
    width: 50px;
    height: 50px;
    border: 2px solid #000;
    border-radius: 8px;
    position: absolute;
  }
  
  .transform-shape[data-index="0"] { 
    top: 10%; 
    left: 5%; 
  }
  
  .transform-shape[data-index="1"] { 
    top: 20%; 
    right: 5%; 
  }
  
  .transform-shape[data-index="2"] { 
    bottom: 20%; 
    left: 50%;
    transform: translateX(-50%);
  }
  
  .text-secondary {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
  }
  
  .secondary-word {
    font-size: clamp(1.5rem, 7vw, 2.5rem);
  }
  
  /* Segment End Mobile */
  .segment-end {
    background: transparent;
  }
  
  .end-wrapper {
    text-align: center;
    width: 100%;
    position: relative;
  }
  
  .final-text {
    font-size: clamp(1.8rem, 8vw, 3rem);
    line-height: 1.3;
  }
  
  .final-word {
    margin: 0.1em;
    display: inline-block;
  }
  
  .final-word.highlight {
    padding: 0.2em 0.4em;
    border-radius: 8px;
    border: 2px solid #000;
    margin: 0.1em;
    font-size: 0.9em;
  }
  
  .impact-ring {
    width: 150px;
    height: 150px;
    border: 2px solid #000;
  }
  
  .impact-visual {
    pointer-events: none;
  }
  
  /* Cards Section Mobile Moderne */
  .cards-section {
    min-height: 300vh;
  }
  
  .cards-container {
    padding: 0 1rem;
  }
  
  .card {
    width: 92%;
    height: auto;
    min-height: 85vh;
    flex-direction: column;
    border: 2px solid var(--border-gray);
    border-radius: 20px;
    overflow: visible;
  }
  
  .card-left {
    padding: 2rem 1.5rem;
    flex: none;
  }
  
  .card-right {
    padding: 1.5rem;
    min-height: 250px;
    flex: 1;
  }
  
  .card-title {
    font-size: clamp(2rem, 10vw, 3rem);
    margin-bottom: 1rem;
  }
  
  .card-subtitle {
    font-size: clamp(1rem, 4vw, 1.5rem);
    margin-bottom: 2rem;
    line-height: 1.4;
  }
  
  .buttons-container {
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .store-button {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--text-white);
    border-radius: 12px;
    width: 100%;
    justify-content: center;
  }
  
  .store-icon {
    width: 20px;
    height: 20px;
  }
  
  .store-text-small {
    font-size: 0.65rem;
  }
  
  .store-text-large {
    font-size: 0.9rem;
  }
  
  /* Images cards mobile */
  .scatter-img {
    width: 45%;
    border: 2px solid #000;
    border-radius: 12px;
  }
  
  .img1 { top: 5%; left: 5%; transform: rotate(-8deg); }
  .img2 { top: 25%; right: 5%; transform: rotate(5deg); }
  .img3 { bottom: 5%; left: 15%; transform: rotate(-3deg); }
  
  .card2 video {
    border: 2px solid #000;
    border-radius: 12px;
  }
  
  /* Contact Section Mobile Premium */
  .contact-section {
    padding: 60px 20px;
    margin-top: 100px;
    min-height: auto;
  }
  
  .contact-container {
    max-width: 100%;
  }
  
  .contact-title {
    font-size: clamp(2rem, 10vw, 3rem);
    margin-bottom: 50px;
    line-height: 1.2;
    text-align: center;
  }
  
  .contact-title::after {
    width: 60px;
    height: 2px;
    bottom: -15px;
  }
  
  .contact-form {
    padding: 40px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    background: rgba(255,255,255,0.02);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
  }
  
  .form-group input {
    padding: 15px 0 8px 0;
    font-size: 16px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  }
  
  .form-group label {
    font-size: 14px;
    top: 15px;
  }
  
  .form-group input:focus ~ label,
  .form-group input:valid ~ label,
  .form-group input:not(:placeholder-shown) ~ label {
    top: -8px;
    font-size: 10px;
  }
  
  .submit-btn {
    margin-top: 40px;
    padding: 20px;
    font-size: 16px;
    letter-spacing: 0.1em;
    border: 2px solid #fff;
    border-radius: 12px;
  }
  
  /* Footer Mobile */
  .footer {
    padding: 60px 20px 30px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-left {
    grid-template-columns: 1fr;
    gap: 30px;
    order: 2;
  }
  
  .footer-right {
    order: 1;
    text-align: center;
    margin-bottom: 20px;
  }
  
  .footer-logo {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    line-height: 0.9;
  }
  
  .footer-section h4 {
    font-size: 1rem;
    margin-bottom: 10px;
  }
  
  .footer-section ul li {
    font-size: 0.85rem;
    margin-bottom: 5px;
  }
  
  .footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    text-align: center;
  }
  
  .footer-bottom p {
    font-size: 0.7rem;
  }
}

/* ===== TRÈS PETITS ÉCRANS (max 375px) ===== */
@media screen and (max-width: 375px) {
  
  /* Ajustements ultra compacts */
  .loading-logo {
    font-size: 2rem;
    letter-spacing: 0.1em;
  }
  
  .hero {
    padding: 3vh 4vw;
  }
  
  /* Hero ultra compact */
  .line1 {
    font-size: 11vw;
  }
  
  .line1::before,
  .line1::after {
    line-height: 0.9;
  }
  
  .hero-content::after {
    font-size: 0.9rem;
    margin: 1.5rem 0;
  }
  
  .line3 {
    font-size: 1.3rem;
  }
  
  /* You Can section ultra compact */
  .pinned-text {
    font-size: 1.5rem;
  }
  
  .word-item {
    font-size: 1.5rem;
    height: 2rem;
  }
  
  /* Motion design ultra compact */
  .slogan {
    font-size: 1.6rem;
    line-height: 1.1;
  }
  
  /* Text animation ultra compact */
  .intro-text {
    font-size: 1.8rem;
  }
  
  .transform-text {
    font-size: 2rem;
  }
  
  .secondary-word {
    font-size: 1.3rem;
  }
  
  .final-text {
    font-size: 1.5rem;
  }
  
  /* Cards ultra compact */
  .card-title {
    font-size: 1.6rem;
  }
  
  .card-subtitle {
    font-size: 0.85rem;
    line-height: 1.3;
  }
  
  .store-button {
    padding: 0.7rem 1.2rem;
  }
  
  /* Contact ultra compact */
  .contact-title {
    font-size: 1.6rem;
  }
  
  .contact-form {
    padding: 30px 15px;
  }
  
  /* Shapes plus petites */
  .shape {
    max-width: 100px !important;
    max-height: 100px !important;
  }
  
  .intro-shape {
    max-width: 40px !important;
    max-height: 40px !important;
  }
  
  .transform-shape {
    width: 40px !important;
    height: 40px !important;
  }
}

/* ===== OPTIMISATIONS PERFORMANCES MOBILE ===== */
@media screen and (max-width: 767px) {
  /* Désactive certaines animations lourdes sur mobile */
  .shape {
    will-change: auto;
  }
  
  .word-item {
    will-change: auto;
  }
  
  /* Simplifie les effets */
  .magnetic-word::before,
  .final-word.highlight::before {
    display: none;
  }
  
  /* Réduit les ombres complexes */
  .shape {
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  }
  
  /* Optimise les filtres */
  .shape:hover {
    filter: brightness(1.1);
  }
}

/* ===== SUPPORT TACTILE ===== */
@media (hover: none) and (pointer: coarse) {
  /* Augmente les zones tactiles */
  .store-button {
    min-height: 48px;
  }
  
  .form-group input {
    min-height: 48px;
  }
  
  .submit-btn {
    min-height: 56px;
  }
  
  /* Désactive les effets hover sur tactile */
  .shape:hover {
    transform: none !important;
  }
  
  .store-button:hover {
    background: transparent;
    color: var(--text-white);
  }
}

/* ===== ORIENTATION PAYSAGE MOBILE ===== */
@media screen and (max-width: 767px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 5vh 5vw;
  }
  
  .line1 {
    font-size: clamp(2rem, 15vw, 3rem);
  }
  
  .line2-text {
    font-size: clamp(1.8rem, 12vw, 2.5rem);
  }
  
  .circle-wrapper {
    display: none;
  }
  
  .words-container {
    height: 50vh;
  }
  
  .contact-section {
    padding: 40px 20px;
  }
}

/* ===== STYLES ADDITIONNELS MOBILE ===== */

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  pointer-events: none;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  opacity: 0.6;
}

/* Utilisation de la variable --vh pour mobile */
@media screen and (max-width: 767px) {
  .hero {
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
  }
  
  .you-can-container {
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
  }
  
  .motion-section {
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
  }
  
  .text-animation-container {
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
  }
  
  .cards-container {
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
  }
}

/* Réduction des mouvements pour performances */
@media screen and (max-width: 767px) {
  .reduce-motion * {
    animation-duration: 0.1s !important;
    transition-duration: 0.1s !important;
  }
  
  .reduce-motion .shape {
    animation: none !important;
  }
  
  .reduce-motion .word-item {
    transition: color 0.1s !important;
  }
}

/* Amélioration de la lisibilité sur petits écrans */
@media screen and (max-width: 375px) {
  body {
    font-size: 14px;
  }
  
  .card-subtitle {
    font-size: 0.9rem;
  }
  
  .footer-section ul li {
    font-size: 0.8rem;
  }
}

/* Fix pour le clavier virtuel sur mobile */
@media screen and (max-width: 767px) {
  .form-group input:focus {
    font-size: 16px; /* Empêche le zoom sur iOS */
  }
  
  /* Quand le clavier est ouvert */
  .keyboard-open .contact-form {
    padding-bottom: 20px;
  }
  
  .keyboard-open .submit-btn {
    position: relative;
    margin-bottom: 20px;
  }
}

/* Optimisations pour le mode sombre/clair automatique */
@media (prefers-color-scheme: light) {
  @media screen and (max-width: 767px) {
    .loading-screen {
      background: radial-gradient(ellipse at center, #f5f5f5 0%, #ffffff 100%);
    }
    
    .loading-screen .loading-logo,
    .loading-screen .loading-text {
      color: #000;
    }
  }
}

/* Support pour les encoches (notch) des téléphones modernes */
@supports (padding: max(0px)) {
  @media screen and (max-width: 767px) {
    .hero {
      padding-left: max(5vw, env(safe-area-inset-left));
      padding-right: max(5vw, env(safe-area-inset-right));
    }
    
    .contact-section {
      padding-left: max(20px, env(safe-area-inset-left));
      padding-right: max(20px, env(safe-area-inset-right));
      padding-bottom: max(60px, env(safe-area-inset-bottom));
    }
    
    .footer {
      padding-bottom: max(30px, env(safe-area-inset-bottom));
    }
  }
}

/* Amélioration des transitions pour tactile */
@media (hover: none) and (pointer: coarse) {
  * {
    -webkit-tap-highlight-color: transparent;
  }
  
  .store-button,
  .submit-btn {
    transition: transform 0.1s ease-out;
  }
  
  .store-button:active,
  .submit-btn:active {
    transform: scale(0.98);
  }
  
  /* Meilleur feedback visuel pour les inputs */
  .form-group input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
  }
  
  .form-group input:focus {
    background: rgba(255, 255, 255, 0.02);
  }
}

/* Fix pour les vidéos sur mobile */
@media screen and (max-width: 767px) {
  video {
    max-width: 100%;
    height: auto;
  }
  
  .card2 video {
    object-fit: contain;
  }
}

/* Amélioration de la navigation au clavier sur tablette */
@media screen and (min-width: 768px) and (max-width: 1024px) {
  :focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
  }
  
  .store-button:focus,
  .submit-btn:focus {
    outline-offset: 4px;
  }
}