/* ========================================
   DESINOVAL - Modern Portfolio Website
   Creative & Bold Design
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Colors */
    --primary-color: #f3140c;
    --primary-dark: #c10e08;
    --primary-light: #ff4d47;
    --blue-color: #0078d4;
    --blue-dark: #005a9e;
    --blue-light: #2b88d8;
    --secondary-color: #26262c;
    --accent-color: #f4f4f5;
    --text-dark: #26262c;
    --text-light: #76767f;
    --white: #ffffff;
    --black: #000000;
    --gradient-1: linear-gradient(135deg, #f3140c 0%, #ff4d47 100%);
    --gradient-2: linear-gradient(135deg, #26262c 0%, #3a3a42 100%);
    --gradient-blue: linear-gradient(135deg, #005a9e 0%, #0078d4 100%);

    /* Social Media Colors */
    --instagram-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    --whatsapp-color: #25d366;
    --linkedin-color: #0077b5;

    /* Typography */
    --font-heading: 'Heebo', sans-serif;
    --font-body: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

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

/* ========== Global Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary-color);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

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

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

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

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

ul {
    list-style: none;
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 120, 212, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 120, 212, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--blue-color);
    border: 2px solid var(--blue-color);
}

.btn-secondary:hover {
    background: var(--blue-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--white);
    color: var(--blue-color);
}

.btn-light:hover {
    background: var(--blue-color);
    color: var(--white);
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

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

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-blue);
    transition: width var(--transition-base);
}

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

.btn-nav {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-blue);
    color: var(--white);
    border-radius: var(--radius-sm);
}

.btn-nav:hover {
    transform: scale(1.05);
}

.btn-nav::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.hero-shape.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: -150px;
    left: -100px;
    animation-delay: 5s;
}

.hero-shape.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(-20px, 20px) rotate(180deg);
    }
    75% {
        transform: translate(20px, 30px) rotate(270deg);
    }
}

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

.hero-text {
    z-index: 1;
}

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

.title-line {
    display: block;
}

.highlight {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image-wrapper {
    position: relative;
    animation: heroFloat 6s ease-in-out infinite;
}

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

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.2;
}

.hero-img {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.scroll-down span {
    width: 2px;
    height: 15px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scrollAnimation 2s ease-in-out infinite;
}

.scroll-down span:nth-child(2) {
    animation-delay: 0.2s;
}

.scroll-down span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scrollAnimation {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.5);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ========== Section Header ========== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(243, 20, 12, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== About Section ========== */
.about {
    background: var(--accent-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.about-image-wrapper {
    position: relative;
}

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

.about-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.about-badge i {
    font-size: 2rem;
    color: var(--primary-color);
}

.about-badge span {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    line-height: 1.3;
    color: var(--secondary-color);
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

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

.about-text strong {
    color: var(--secondary-color);
    font-weight: 600;
}

.about-expertise {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.25rem;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    font-size: 0.9rem;
}

.expertise-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.about-cta {
    margin-top: var(--spacing-md);
}

.specialization {
    margin-top: var(--spacing-xl);
}

.specialization-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.specialization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.spec-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.spec-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.spec-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.spec-card h4 {
    font-size: 1.1rem;
}

/* ========== Services Section ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-card.featured {
    background: var(--gradient-2);
    color: var(--white);
}

.service-card.featured h3,
.service-card.featured p {
    color: var(--white);
}

.service-card.featured .service-icon {
    background: var(--primary-color);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-1);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: rgba(243, 20, 12, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
    color: var(--primary-color);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.service-features {
    margin-top: var(--spacing-md);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.service-features i {
    color: var(--primary-color);
}

.service-card.featured .service-features i {
    color: var(--white);
}

/* ========== Portfolio Section ========== */
.portfolio {
    background: var(--accent-color);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-1);
    color: var(--white);
    border-color: var(--primary-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.portfolio-item {
    transition: all var(--transition-base);
}

.portfolio-item.hide {
    display: none;
}

.portfolio-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 300px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(243, 20, 12, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-info {
    text-align: center;
    color: var(--white);
    padding: var(--spacing-md);
}

.portfolio-info h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.portfolio-info p {
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tag {
    padding: 0.25rem 0.75rem;
    background: rgba(243, 20, 12, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ========== Testimonials Section ========== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-rating i {
    color: #ffc107;
    font-size: 1.25rem;
}

.testimonial-text {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.author-info span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ========== Contact Section ========== */
.contact {
    background: var(--accent-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--white);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
}

.contact-method:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: rgba(243, 20, 12, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.method-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.method-info a {
    color: var(--text-light);
    font-size: 0.95rem;
}

.method-info a:hover {
    color: var(--primary-color);
}

.contact-social h4 {
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--secondary-color);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-1);
    color: var(--white);
    transform: translateY(-5px);
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

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

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(243, 20, 12, 0.1);
}

.btn-submit {
    grid-column: 1 / -1;
    position: relative;
}

.btn-loading {
    display: none;
}

.btn-submit.loading .btn-text {
    visibility: hidden;
}

.btn-submit.loading .btn-loading {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.form-message {
    grid-column: 1 / -1;
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ========== Footer ========== */
.footer {
    background: var(--gradient-2);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-content h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-content ul li {
    margin-bottom: 0.5rem;
}

.footer-content ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.footer-content ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom p:first-child {
    margin-bottom: 0.5rem;
}

.footer-bottom strong {
    color: var(--white);
}

/* ========== Scroll to Top Button ========== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-image {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

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

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-base);
        align-items: flex-start;
    }

    .nav-menu.active {
        right: 0;
    }

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

    .hero-stats {
        flex-wrap: wrap;
    }

    .about-expertise {
        flex-direction: column;
    }

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

    .portfolio-filter {
        flex-wrap: wrap;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

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

    .btn {
        width: 100%;
    }

    .hero-stats {
        justify-content: space-between;
    }

    .stat-number {
        font-size: 2rem;
    }

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

/* ========== Utility Classes ========== */
.text-center {
    text-align: center;
}

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

.bg-primary {
    background: var(--gradient-1);
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ========== Social Media Custom Colors ========== */
.social-instagram:hover {
    background: var(--instagram-gradient) !important;
    color: var(--white);
    transform: translateY(-5px) scale(1.1);
}

.social-whatsapp:hover {
    background: var(--whatsapp-color) !important;
    color: var(--white);
    transform: translateY(-5px) scale(1.1);
}

.social-linkedin:hover {
    background: var(--linkedin-color) !important;
    color: var(--white);
    transform: translateY(-5px) scale(1.1);
}

.btn-whatsapp {
    background: var(--whatsapp-color) !important;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #1faa52 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

/* Phone link styling */
a[href^="tel:"] {
    color: var(--blue-color);
    transition: all var(--transition-base);
}

a[href^="tel:"]:hover {
    color: var(--blue-dark);
}

/* Blue accents for sections */
.section-tag {
    background: rgba(0, 120, 212, 0.12);
    color: var(--blue-dark);
}

/* Alternative button style with blue */
.btn-blue {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 120, 212, 0.35);
}

.btn-blue:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 120, 212, 0.45);
}