/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
    /* Colors */
    --clr-yellow: #F4D03F;
    /* Soft Yellow primary */
    --clr-yellow-dark: #D4B22B;
    --clr-black: #111111;
    /* Rich Black */
    --clr-black-light: #222222;
    --clr-white: #FFFFFF;
    --clr-off-white: #FFFDE7;
    /* Very soft light yellow */
    --clr-gray: #71717A;
    --clr-gray-light: #E4E4E7;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-xxl: 8rem;

    /* Utilities */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--clr-black);
    background-color: var(--clr-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--clr-black);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--space-md);
    color: var(--clr-gray);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

/* ==========================================================================
   Layouts & Utilities
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-xxl) 0;
}

.section-header {
    margin-bottom: var(--space-xl);
    max-width: 600px;
}

.text-center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.text-left {
    text-align: start;
}

.bg-light {
    background-color: var(--clr-off-white);
}

.bg-dark {
    background-color: var(--clr-black);
    color: var(--clr-white);
}

.bg-dark h2,
.bg-dark h3 {
    color: var(--clr-white);
}

.bg-dark p {
    color: #A1A1AA;
}

.text-white {
    color: var(--clr-white) !important;
}

.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    background-color: rgba(244, 208, 63, 0.2);
    color: var(--clr-yellow-dark);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--clr-yellow);
    color: var(--clr-black);
}

.btn-primary:hover {
    background-color: var(--clr-yellow-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(244, 208, 63, 0.3);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-black);
    color: var(--clr-black);
}

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

.btn-outline-white {
    background-color: transparent;
    border-color: var(--clr-white);
    color: var(--clr-white);
}

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

/* Grids */
.grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-black);
}

.logo span {
    color: var(--clr-yellow);
}

.nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-yellow);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--clr-black);
}

.lang-switcher {
    background-color: var(--clr-black);
    color: var(--clr-white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    text-align: center;
}

.lang-switcher:hover {
    background-color: var(--clr-black-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--clr-white);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.mobile-menu-overlay.active {
    transform: translateX(0);
}

.mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex: 1;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--clr-black);
    color: var(--clr-white);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-container {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand p {
    margin-top: 1rem;
    max-width: 300px;
    color: #A1A1AA;
}

.footer h4 {
    color: var(--clr-white);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #A1A1AA;
}

.footer-links a:hover {
    color: var(--clr-yellow);
    transform: translateX(5px);
}

.footer-contact a {
    color: #A1A1AA;
    display: block;
    margin-bottom: 1rem;
}

.footer-contact a:hover {
    color: var(--clr-white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--clr-black-light);
    border-radius: var(--radius-full);
}

.social-links a:hover {
    background-color: var(--clr-yellow);
    color: var(--clr-black);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    color: #A1A1AA;
    font-size: 0.875rem;
}

/* ==========================================================================
   Section Specific Styles
   ========================================================================== */

/* Utility Classes */
.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.w-full {
    width: 100%;
}

.flex {
    display: flex;
}

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

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

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.max-w-lg {
    max-width: 600px;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.text-yellow {
    color: var(--clr-yellow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, rgba(244, 208, 63, 0.2) 0%, rgba(255, 253, 231, 0.6) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(244, 208, 63, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-desc {
    font-size: 1.125rem;
    max-width: 600px;
    margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
    .hero {
        min-height: 80vh;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }
}

/* Service Cards */
.service-card {
    background: var(--clr-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-gray-light);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(244, 208, 63, 0.5);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(244, 208, 63, 0.1);
    color: var(--clr-yellow-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

/* Pricing Cards */
.pricing-card {
    background: var(--clr-white);
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-gray-light);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border-color: var(--clr-black);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

@media (max-width: 1024px) {
    .pricing-card.popular {
        transform: none;
    }
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-black);
    color: var(--clr-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--clr-gray-light);
    padding-bottom: var(--space-lg);
}

.pricing-card .price {
    font-size: 3rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--clr-black);
    margin: var(--space-sm) 0;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--clr-gray);
}

.pricing-features li i {
    color: var(--clr-yellow-dark);
    flex-shrink: 0;
}

/* Portfolio Cards */
.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--clr-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.portfolio-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.portfolio-img {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 60%;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--space-lg);
}

.portfolio-content .category {
    font-size: 0.875rem;
    color: var(--clr-yellow-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    display: block;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-top: 1rem;
    color: var(--clr-black);
}

.portfolio-link:hover {
    color: var(--clr-yellow-dark);
}

/* About Section */
.about-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-item h4 {
    margin-bottom: 0;
    font-family: var(--font-body);
    font-weight: 500;
}

/* Contact Form */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--clr-black);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--clr-gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    transition: var(--transition);
    background: var(--clr-off-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-yellow);
    background: var(--clr-white);
    box-shadow: 0 0 0 4px rgba(244, 208, 63, 0.1);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}