/* ============================================
   CSS CUSTOM PROPERTIES (Easy to customize)
============================================= */
:root {
    /* Colors - Change these to customize the theme */
    --color-primary: #7c3aed;
    /* Main accent color (purple) */
    --color-primary-light: #a78bfa;
    --color-primary-dark: #5b21b6;
    --color-secondary: #f59e0b;
    /* Secondary accent (gold) */

    /* Background colors */
    --color-bg: #fafafa;
    --color-bg-alt: #ffffff;
    --color-bg-dark: #1a1a2e;

    /* Text colors */
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

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

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   CSS RESET & BASE STYLES
============================================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section */
.section {
    padding: var(--spacing-2xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section__subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    color: var(--color-text);
}

/* Text accent */
.text-accent {
    color: var(--color-primary);
}

/* ============================================
   BUTTONS
============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(124, 58, 237, 0.4);
}

.btn--outline {
    border: 2px solid var(--color-text);
    color: var(--color-text);
}

.btn--outline:hover {
    background: var(--color-text);
    color: white;
}

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

/* ============================================
   NAVIGATION
============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(10px);
    transition: box-shadow var(--transition-base);
}

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

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
}

.nav__logo span {
    color: var(--color-primary);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--color-bg-alt);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__toggle {
        display: flex;
    }

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

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

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

/* ============================================
   HERO SECTION
============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: linear-gradient(135deg, var(--color-bg) 0%, #f0e7ff 100%);
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero__subtitle {
    display: block;
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__tagline {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.hero__description {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin-bottom: var(--spacing-lg);
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__image-wrapper {
    position: relative;
    width: 280px;
    height: 280px;
}

.hero__image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: float 6s ease-in-out infinite;
}

.hero__decoration {
    position: absolute;
    border-radius: 50%;
    background: var(--color-secondary);
    opacity: 0.8;
}

.hero__decoration--1 {
    width: 20px;
    height: 20px;
    top: 10%;
    right: 0;
    animation: pulse 3s ease-in-out infinite;
}

.hero__decoration--2 {
    width: 12px;
    height: 12px;
    bottom: 20%;
    left: 0;
    animation: pulse 3s ease-in-out infinite 1s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

@media (min-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
    }

    .hero__image-wrapper {
        width: 350px;
        height: 350px;
    }
}

/* ============================================
   ABOUT SECTION
============================================= */
.about {
    background: var(--color-bg-alt);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about__image-placeholder {
    width: 250px;
    height: 300px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #fef3c7, #fcd34d);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    box-shadow: var(--shadow-lg);
}

.about__heading {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--spacing-md);
}

.about__text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.about__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.about__stat {
    text-align: center;
}

.about__stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.about__stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

@media (min-width: 768px) {
    .about__content {
        grid-template-columns: 1fr 1.2fr;
    }

    .about__image-placeholder {
        width: 100%;
        height: 400px;
    }
}

/* ============================================
   SERVICES SECTION
============================================= */
.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.service-card {
    position: relative;
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.service-card--featured {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.service-card--featured .service-card__description {
    color: rgba(255, 255, 255, 0.85);
}

.service-card--featured .service-card__features li::before {
    color: var(--color-secondary);
}

.service-card__badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-secondary);
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.service-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.service-card__description {
    color: var(--color-text-light);
    font-size: 0.925rem;
    margin-bottom: var(--spacing-md);
}

.service-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-card__features li {
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-card__features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: bold;
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   TESTIMONIALS SECTION
============================================= */
.testimonials {
    background: var(--color-bg-alt);
}

.testimonials__slider {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-card {
    display: none;
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.testimonial-card.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.testimonial-card__rating {
    color: var(--color-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: 4px;
}

.testimonial-card blockquote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.testimonial-card__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.testimonial-card__author h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial-card__author p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.testimonials__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.testimonials__btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-text-lighter);
    color: var(--color-text);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

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

.testimonials__dots {
    display: flex;
    gap: var(--spacing-xs);
}

.testimonials__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-text-lighter);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonials__dot.active,
.testimonials__dot:hover {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* ============================================
   CONTACT SECTION
============================================= */
.contact__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.contact__info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.contact__info>p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.contact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.contact__item span:first-child {
    font-size: 1.5rem;
}

.contact__item div span {
    font-size: 0.875rem;
    color: var(--color-text-light);
    display: block;
}

.contact__item div a {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: opacity var(--transition-fast);
}

.contact__item div a:hover {
    opacity: 0.8;
}

.contact__social span {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

/* Social Media Icons */
.contact__social-links {
    display: flex;
    gap: var(--spacing-md);
}

.contact__social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
}

/* Hover animation: color change + upward movement */
.contact__social-links a:hover {
    color: white;
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(124, 58, 237, 0.4);
}

/* Contact Form */
.contact__form {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form__group {
    margin-bottom: var(--spacing-md);
}

.form__group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form__group input,
.form__group select,
.form__group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    transition: border-color var(--transition-fast);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

@media (min-width: 768px) {
    .contact__content {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================
   FOOTER
============================================= */
.footer {
    background: var(--color-bg-dark);
    color: white;
    padding: var(--spacing-lg) 0;
}

.footer__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer__logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: white;
}

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

.footer__content p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer__back-to-top {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-fast);
}

.footer__back-to-top:hover {
    border-color: var(--color-primary-light);
    background: var(--color-primary);
}

@media (min-width: 768px) {
    .footer__content {
        flex-direction: row;
        justify-content: space-between;
    }
}