/* ============================================
   Idea Tree Solutions - Modern Redesign
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Updated modern palette */
    --color-primary: #22C55E;
    --color-primary-dark: #16A34A;
    --color-primary-light: #4ADE80;
    --color-secondary: #0F172A;
    --color-accent: #059669;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ============================================
   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-gray-200);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo img {
    height: 48px;
    width: auto;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

.nav-link.active {
    color: var(--color-primary);
    background: rgba(34, 197, 94, 0.1);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, #1a1f36 50%, var(--color-gray-800) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
    background: rgba(0, 0, 0, 0.75);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(34, 197, 94, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 20%, rgba(5, 150, 105, 0.1) 0%, transparent 30%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2322C55E' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-label {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-primary-light);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-gray-300);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
}

.hero-card {
    width: 140px;
    height: 180px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-4xl);
    color: var(--color-primary);
    transition: var(--transition);
}

.hero-card:nth-child(2) {
    height: 220px;
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
}

.hero-card:hover {
    transform: translateY(-10px);
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.5);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius);
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.4);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--space-24) 0;
    background: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.service-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--color-gray-100);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.3);
}

.service-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.service-text {
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.service-link:hover {
    gap: var(--space-3);
    color: var(--color-primary-dark);
}

.service-link i {
    font-size: var(--text-xs);
}

/* ============================================
   Web-DaaS Section
   ============================================ */
.webdaas {
    padding: var(--space-24) 0;
    background: var(--color-white);
}

.webdaas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.webdaas-content .section-title {
    text-align: left;
}

.webdaas-content .section-label {
    margin-left: 0;
}

.webdaas-lead {
    font-size: var(--text-xl);
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.webdaas-lead strong {
    color: var(--color-primary);
}

.webdaas-text {
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: var(--space-8);
}

.webdaas-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.feature-item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--color-primary);
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-1);
}

.feature-content p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* Web-DaaS Visual */
.webdaas-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.webdaas-image {
    position: relative;
    width: 400px;
    height: 400px;
}

.webdaas-graphic {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: var(--color-primary);
    position: relative;
    box-shadow: var(--shadow-xl);
}

.webdaas-graphic::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 2px dashed var(--color-gray-300);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.webdaas-graphic::after {
    content: '';
    position: absolute;
    inset: -40px;
    border: 2px dashed var(--color-primary-light);
    border-radius: 50%;
    animation: rotate 20s linear infinite reverse;
}

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

    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Why Choose Us Section
   ============================================ */
.why-us {
    padding: var(--space-24) 0;
    background: var(--color-gray-900);
    color: var(--color-white);
}

.why-us .section-title {
    color: var(--color-white);
}

.why-us .section-label {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-primary-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.why-number {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.why-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.why-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-content p {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
}

.cta-content .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.cta-content .btn-primary:hover {
    background: var(--color-gray-100);
    transform: translateY(-2px);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-brand .logo img {
    height: 40px;
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-social svg.x-icon,
.footer-social svg.alignable-icon {
    width: 20px;
    height: 20px;
}

.footer-links h4,
.footer-cta h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-6);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

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

.footer-cta p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.footer-cta .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .webdaas-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .webdaas-visual {
        order: -1;
    }

    .webdaas-image {
        width: 300px;
        height: 300px;
    }

    .webdaas-graphic {
        font-size: 80px;
    }

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

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

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

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-2);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .nav-link {
        width: 100%;
        padding: var(--space-3) var(--space-4);
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-description {
        font-size: var(--text-lg);
    }

    .hero-visual {
        gap: var(--space-3);
    }

    .hero-card {
        width: 100px;
        height: 130px;
    }

    .hero-card:nth-child(2) {
        height: 160px;
    }

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

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

    .section-title {
        font-size: var(--text-3xl);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-visual {
        display: none;
    }

    .webdaas-image {
        width: 250px;
        height: 250px;
    }

    .webdaas-graphic {
        font-size: 60px;
    }

    .cta-content h2 {
        font-size: var(--text-2xl);
    }
}

/* ============================================
   Contact Modal
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    background: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-2xl);
    color: var(--color-gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 1;
    line-height: 1;
    padding-bottom: 2px;
}

.modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.modal-header {
    padding: var(--space-8) var(--space-8) var(--space-4);
    text-align: center;
}

.modal-header h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.modal-header p {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

/* Contact Form */
.contact-form {
    padding: 0 var(--space-8) var(--space-8);
    padding-bottom: var(--space-10);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: var(--font-primary);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    background: var(--color-white);
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #EF4444;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

/* Phone Input Wrapper */
.phone-input-wrapper {
    display: flex;
    gap: var(--space-2);
}

.phone-input-wrapper select {
    width: 120px;
    flex-shrink: 0;
}

.phone-input-wrapper input {
    flex: 1;
}

/* Captcha */
.captcha-group {
    background: var(--color-gray-50);
    padding: var(--space-4);
    border-radius: var(--radius);
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.captcha-display {
    flex: 1;
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    padding: var(--space-3);
    font-family: 'Courier New', monospace;
    font-size: var(--text-2xl);
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-gray-700);
    text-align: center;
    user-select: none;
}

.captcha-refresh {
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    color: var(--color-gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.captcha-refresh:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.captcha-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    margin-top: var(--space-2);
}

/* Submit Button */
.btn-full {
    width: 100%;
}

/* Success Message */
.form-success-message {
    text-align: center;
    padding: var(--space-8) var(--space-4);
}

.form-success-message h2 {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    font-size: var(--text-2xl);
}

.form-success-message p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
    line-height: 1.6;
}

.form-success {
    text-align: center;
    padding: var(--space-12) var(--space-8);
}

.form-success i {
    font-size: 64px;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
}

.form-success h3 {
    font-size: var(--text-2xl);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.form-success p {
    color: var(--color-gray-500);
    margin-bottom: var(--space-6);
}

/* Modal Responsive */
@media (max-width: 640px) {
    .modal {
        margin: var(--space-4);
        max-height: calc(100vh - 2rem);
    }

    .modal-header {
        padding: var(--space-6) var(--space-6) var(--space-4);
    }

    .contact-form {
        padding: 0 var(--space-6) var(--space-6);
        padding-bottom: var(--space-8);
    }

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

    .phone-input-wrapper {
        flex-direction: column;
    }

    .phone-input-wrapper select {
        width: 100%;
    }
}