/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 0.75rem;
    --border-radius-sm: 0.5rem;
    --border-radius-lg: 1rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
}

/* Section */
.section {
    padding: 5rem 0;
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__title {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section__description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Text Gradient */
.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.button--primary {
    background: var(--gradient);
    color: var(--text-white);
    box-shadow: var(--shadow);
}

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

.button--ghost {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.button--ghost:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.button--white {
    background: var(--bg-white);
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

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

.button__icon {
    font-style: normal;
    transition: var(--transition);
}

.button:hover .button__icon {
    transform: translateX(4px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav {
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: var(--text-dark);
}

.logo-accent {
    color: var(--primary-color);
}

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

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav__link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav__link:hover,
.nav__link.active-link {
    color: var(--primary-color);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__cta {
    background: var(--gradient);
    color: var(--text-white) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
}

.nav__cta::after {
    display: none;
}

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

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Home Section */
.home {
    padding-top: 7rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.home__container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.home__title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.home__description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.home__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.home__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.home__blob {
    width: 400px;
    height: 400px;
    position: relative;
}

.home__blob svg {
    width: 100%;
    height: 100%;
    fill: var(--primary-color);
    opacity: 0.1;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--bg-white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-card:nth-child(1) {
    top: 10%;
    left: -10%;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: -10%;
}

.floating-card:nth-child(3) {
    bottom: 10%;
    left: 20%;
}

.floating-card span {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.floating-card p {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-dark);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Services Section */
.services {
    background: var(--bg-white);
}

.services__container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service__card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.service__card:hover::before {
    transform: scaleX(1);
}

.service__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.service__title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service__description {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.service__features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about__container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.about__description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat__number {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat__label {
    color: var(--text-light);
    margin: 0;
}

.about__image {
    position: relative;
}

.about__img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* CTA Section */
.cta {
    background: var(--gradient);
    color: var(--text-white);
}

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

.cta__title {
    color: var(--text-white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta__description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Contact Section */
.contact {
    padding-top: 7rem;
    background: var(--bg-light);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact__info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact__description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.contact__cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact__icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    flex-shrink: 0;
}

.contact__details h3 {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact__details p {
    margin: 0;
    color: var(--text-light);
}

/* Contact Form */
.contact__form-container {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__button {
    width: 100%;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

.footer__container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.footer__data {
    max-width: 300px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer__logo .logo-text {
    color: var(--text-white);
}

.footer__logo .logo-accent {
    color: var(--primary-light);
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
}

.footer__group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer__title {
    color: var(--text-white);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer__list {
    list-style: none;
}

.footer__link {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.25rem 0;
    transition: var(--transition);
}

.footer__link:hover {
    color: var(--primary-light);
    padding-left: 0.5rem;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer__copy {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .home__container,
    .about__container,
    .contact__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .home__image {
        order: -1;
    }
    
    .home__blob {
        width: 300px;
        height: 300px;
    }
    
    .floating-card {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 4.5rem;
        left: -100%;
        width: 100%;
        background: var(--bg-white);
        box-shadow: var(--shadow);
        padding: 2rem;
        transition: var(--transition);
    }
    
    .nav__menu.show-menu {
        left: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .home {
        padding-top: 5rem;
    }
    
    .contact {
        padding-top: 5rem;
    }
    
    .home__title {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section__header {
        margin-bottom: 3rem;
    }
    
    .home__buttons {
        justify-content: center;
    }
    
    .about__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .services__container {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer__group {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .home__title {
        font-size: 2rem;
    }
    
    .home__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 100%;
        justify-content: center;
    }
    
    .about__stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact__container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact__cards {
        gap: 1rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Success Message */
.success-message {
    background: #10b981;
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    display: none;
}

.success-message.show {
    display: block;
}

/* Error Message */
.error-message {
    background: #ef4444;
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    display: none;
}

.error-message.show {
    display: block;
}