/* ============================================
   WEI WEI — Styles
   Charte : #FFD21A (jaune) | #F6A400 (orange)
            #111827 (noir texte) | #F5F6F8 (fond clair)
   ============================================ */

:root {
    --color-primary: #FFD21A;
    --color-primary-dark: #e6bd17;
    --color-accent: #F6A400;
    --color-accent-dark: #e09400;
    --color-text: #111827;
    --color-text-light: #374151;
    --color-text-muted: #6B7280;
    --color-bg: #FFFFFF;
    --color-bg-light: #F5F6F8;
    --color-bg-dark: #111827;
    --color-border: #E5E7EB;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --container-max: 1200px;
}

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

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

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

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

.btn--primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-text);
    background: var(--color-bg-light);
}

.nav-link--cta {
    background: var(--color-primary);
    color: var(--color-text);
    font-weight: 600;
}

.nav-link--cta:hover {
    background: var(--color-primary-dark);
    color: var(--color-text);
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    padding: 140px 0 80px;
    background: var(--color-bg);
    overflow: hidden;
    min-height: 100vh;
    max-height: 750px;
    display: flex;
    align-items: center;
}

/* Video Background */
.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video-bg video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.55;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.35) 0%,
        rgba(245, 246, 248, 0.25) 50%,
        rgba(255, 210, 26, 0.15) 100%
    );
    z-index: 1;
}

/* Floating Particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: floatParticle 20s infinite ease-in-out;
}

.hero-particles::before {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -100px;
    right: -50px;
    animation-delay: 0s;
    filter: blur(60px);
}

.hero-particles::after {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    animation-delay: -10s;
    filter: blur(50px);
}

@keyframes floatParticle {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 10px) scale(1.05);
    }
}

.hero-inner {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
    max-width: 520px;
    line-height: 1.7;
}

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

.hero-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--color-bg-light);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.hero-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.hero-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    overflow: hidden;
    transition: var(--transition);
}

.hero-card:hover .hero-card-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 20px rgba(255, 210, 26, 0.4);
}

.hero-card-panda {
    width: 80%;
    height: 80%;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.hero-card h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.hero-card p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.hero-visual-bg {
    position: absolute;
    width: 380px;
    height: 480px;
    background: var(--color-primary);
    border-radius: var(--radius);
    transform: rotate(-3deg);
}

.hero-panda {
    position: relative;
    z-index: 2;
    max-height: 420px;
    width: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}

.hero-badge {
    position: absolute;
    top: 60px;
    right: 20px;
    z-index: 3;
    background: var(--color-bg-dark);
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

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

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

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

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.section-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-text);
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

.section-lead {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    margin-bottom: 48px;
    max-width: 700px;
    line-height: 1.7;
}

/* Section Divider Animation */
.section-divider {
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), transparent);
    animation: dividerSweep 1.5s ease-in-out infinite;
    border-radius: 2px;
}

@keyframes dividerSweep {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

/* Floating dots decoration for sections */
.section::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    top: 40px;
    right: 10%;
    opacity: 0.3;
    animation: floatDot 6s ease-in-out infinite;
}

.section:nth-child(even)::before {
    background: var(--color-accent);
    right: auto;
    left: 8%;
    animation-delay: -3s;
}

@keyframes floatDot {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) scale(1.2);
        opacity: 0.6;
    }
}

/* ============================================
   GOLDEN HALO BACKGROUND (grey sections)
   ============================================ */

.section--light {
    overflow: hidden;
}

/* Paint splash halos */
.section--light::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        /* Splash 1 - top left */
        radial-gradient(ellipse 180px 120px at 8% 15%, rgba(255, 210, 26, 0.18) 0%, transparent 70%),
        /* Splash 2 - bottom right */
        radial-gradient(ellipse 220px 160px at 92% 85%, rgba(246, 164, 0, 0.14) 0%, transparent 70%),
        /* Splash 3 - center right */
        radial-gradient(ellipse 140px 200px at 85% 40%, rgba(255, 210, 26, 0.12) 0%, transparent 70%),
        /* Splash 4 - center left */
        radial-gradient(ellipse 160px 100px at 12% 70%, rgba(246, 164, 0, 0.10) 0%, transparent 70%),
        /* Big halo center */
        radial-gradient(circle 300px at 50% 50%, rgba(255, 210, 26, 0.06) 0%, transparent 70%);
    animation: splashDrift 12s ease-in-out infinite;
}

/* Geometric accent shapes */
.section--light .container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        /* Circle ring 1 */
        radial-gradient(circle 40px at 75% 20%, transparent 48%, rgba(255, 210, 26, 0.25) 49%, rgba(255, 210, 26, 0.25) 51%, transparent 52%),
        /* Circle ring 2 */
        radial-gradient(circle 60px at 25% 80%, transparent 48%, rgba(246, 164, 0, 0.20) 49%, rgba(246, 164, 0, 0.20) 51%, transparent 52%),
        /* Circle ring 3 */
        radial-gradient(circle 30px at 60% 75%, transparent 47%, rgba(255, 210, 26, 0.30) 48%, rgba(255, 210, 26, 0.30) 52%, transparent 53%),
        /* Small dot cluster */
        radial-gradient(circle 6px at 90% 30%, rgba(255, 210, 26, 0.5) 0%, transparent 100%),
        radial-gradient(circle 4px at 92% 32%, rgba(246, 164, 0, 0.4) 0%, transparent 100%),
        radial-gradient(circle 5px at 88% 28%, rgba(255, 210, 26, 0.35) 0%, transparent 100%),
        radial-gradient(circle 3px at 10% 60%, rgba(246, 164, 0, 0.45) 0%, transparent 100%),
        radial-gradient(circle 4px at 8% 58%, rgba(255, 210, 26, 0.35) 0%, transparent 100%);
    animation: shapeFloat 10s ease-in-out infinite;
}

/* ============================================
   SUBTLE WAVE BACKGROUND (white sections)
   ============================================ */

.section:not(.section--light) {
    overflow: hidden;
}

/* Soft concentric rings */
.section:not(.section--light)::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        /* Large soft ring top-right */
        radial-gradient(circle 400px at 85% 10%, rgba(255, 210, 26, 0.04) 0%, transparent 70%),
        /* Large soft ring bottom-left */
        radial-gradient(circle 350px at 10% 90%, rgba(246, 164, 0, 0.03) 0%, transparent 70%),
        /* Medium ring center-left */
        radial-gradient(circle 200px at 25% 45%, rgba(255, 210, 26, 0.05) 0%, transparent 60%),
        /* Medium ring center-right */
        radial-gradient(circle 250px at 75% 65%, rgba(246, 164, 0, 0.04) 0%, transparent 60%);
    animation: wavePulse 8s ease-in-out infinite;
}

/* Subtle horizontal wave lines */
.section:not(.section--light) .container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 120px,
            rgba(255, 210, 26, 0.02) 120px,
            rgba(255, 210, 26, 0.02) 121px
        );
    animation: waveSlide 25s linear infinite;
}

/* Floating golden orbs */
.section:not(.section--light) .container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(circle 8px at 15% 25%, rgba(255, 210, 26, 0.25) 0%, transparent 100%),
        radial-gradient(circle 5px at 20% 28%, rgba(246, 164, 0, 0.2) 0%, transparent 100%),
        radial-gradient(circle 6px at 80% 75%, rgba(255, 210, 26, 0.2) 0%, transparent 100%),
        radial-gradient(circle 4px at 78% 72%, rgba(246, 164, 0, 0.15) 0%, transparent 100%),
        radial-gradient(circle 10px at 50% 15%, rgba(255, 210, 26, 0.12) 0%, transparent 100%),
        radial-gradient(circle 7px at 45% 85%, rgba(246, 164, 0, 0.15) 0%, transparent 100%);
    animation: orbFloat 12s ease-in-out infinite;
}

@keyframes wavePulse {
    0%, 100% {
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%;
        transform: scale(1);
        opacity: 1;
    }
    50% {
        background-position: 15px -10px, -10px 15px, 8px 5px, -5px -8px;
        transform: scale(1.02);
        opacity: 0.85;
    }
}

@keyframes waveSlide {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 120px;
    }
}

@keyframes orbFloat {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 1;
    }
    25% {
        transform: translate(10px, -15px);
        opacity: 0.8;
    }
    50% {
        transform: translate(-8px, 10px);
        opacity: 1;
    }
    75% {
        transform: translate(5px, 5px);
        opacity: 0.9;
    }
}

@keyframes splashDrift {
    0%, 100% {
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
        transform: scale(1);
    }
    50% {
        background-position: 20px -15px, -25px 20px, 15px 10px, -10px 25px, 0 0;
        transform: scale(1.03);
    }
}

@keyframes strokeSlide {
    0% {
        background-position: 0 0, 0 0, 0 0, 0 0;
    }
    100% {
        background-position: 200px 200px, 280px 280px, -240px 240px, -320px 320px;
    }
}

@keyframes shapeFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 1;
    }
    25% {
        transform: translate(8px, -12px) rotate(2deg);
        opacity: 0.9;
    }
    50% {
        transform: translate(-5px, 8px) rotate(-1deg);
        opacity: 1;
    }
    75% {
        transform: translate(10px, 5px) rotate(1.5deg);
        opacity: 0.95;
    }
}

/* Ensure content stays above the background */
.section > .container {
    position: relative;
    z-index: 1;
}

/* ============================================
   ACTIVITY
   ============================================ */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.activity-card {
    background: var(--color-bg);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.activity-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.activity-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg-light);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.service-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.service-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.service-card > p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
}

.service-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

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

/* ============================================
   METHOD
   ============================================ */
.method-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.method-step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: var(--color-bg);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.method-step:hover {
    box-shadow: var(--shadow);
}

.method-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-text);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.method-step-content h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.method-step-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   WHY WEI WEI
   ============================================ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.why-card {
    background: var(--color-bg-light);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.why-card:hover {
    background: var(--color-bg);
    box-shadow: var(--shadow);
}

.why-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.target-audience {
    background: var(--color-bg-light);
    padding: 48px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    text-align: center;
}

.target-audience h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.target-audience p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto 12px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
}

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

.contact-info-card {
    background: var(--color-bg-dark);
    color: #fff;
    padding: 28px;
    border-radius: var(--radius);
}

.contact-info-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.contact-info-card p {
    font-size: 0.875rem;
    color: #9CA3AF;
    margin-bottom: 8px;
}

.contact-info-card address {
    font-style: normal;
    font-size: 0.9375rem;
    color: #D1D5DB;
    line-height: 1.7;
}

.contact-form-wrapper {
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 28px;
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

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

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition);
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 210, 26, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9CA3AF;
}

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

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 4px;
}

/* Form states */
.contact-form.success .form-group,
.contact-form.success .btn {
    display: none;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

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

.form-success h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 0;
}

.footer--yellow {
    background: var(--color-primary);
    border-top: none;
}

.footer--yellow .footer-brand p {
    color: var(--color-text);
}

.footer--yellow .footer-contact h4,
.footer--yellow .footer-nav h4 {
    color: var(--color-text);
}

.footer--yellow .footer-contact address {
    color: var(--color-text-light);
}

.footer--yellow .footer-nav a {
    color: var(--color-text-light);
}

.footer--yellow .footer-nav a:hover {
    color: var(--color-text);
}

.footer--yellow .footer-bottom {
    border-top-color: rgba(17, 24, 39, 0.1);
}

.footer--yellow .footer-bottom p {
    color: var(--color-text-light);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
    max-width: 320px;
}

.footer-contact h4,
.footer-nav h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-contact address {
    font-style: normal;
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    font-size: 0.875rem;
    color: var(--color-text-light);
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--color-text);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 24, 39, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg);
    padding: 48px;
    border-radius: var(--radius);
    max-width: 480px;
    width: 90%;
    position: relative;
    text-align: center;
    animation: modalSlide 0.3s ease-out;
    box-shadow: var(--shadow-lg);
}

@keyframes modalSlide {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--color-text);
}

.modal-icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    color: var(--color-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.modal-content p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   FORM STATES
   ============================================ */
.btn--loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn--loading svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-inner {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px;
    }

    .hero-card-icon {
        width: 48px;
        height: 48px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
        min-height: 300px;
    }

    .hero-visual-bg {
        width: 280px;
        height: 340px;
    }

    .hero-panda {
        max-height: 280px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cards {
        align-items: center;
    }

    .hero-card {
        max-width: 400px;
        width: 100%;
    }

    .hero-badge {
        top: 30px;
        right: 10px;
        font-size: 0.75rem;
        padding: 8px 14px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.625rem;
    }

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

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

    .method-step {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

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

    .contact-info {
        order: 2;
    }

    .contact-form-wrapper {
        order: 1;
    }

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-nav {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.625rem;
    }

    .hero-visual-bg {
        width: 240px;
        height: 300px;
    }

    .hero-panda {
        max-height: 240px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .target-audience {
        padding: 28px;
    }
}