/* ============================================
   NITBIT - Consultora de Software
   Elegant & Corporate Landing Page
   Color Palette: Black & White
   ============================================ */

/* CSS Variables */
:root {
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --light-gray: #F5F5F5;
    --medium-gray: #E5E5E5;
    --text-gray: #6B7280;
    --dark-gray: #374151;
    --charcoal: #1F2937;
    --black: #0A0A0A;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-width: 1200px;
    --section-padding: 120px;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--white);
    color: var(--charcoal);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Subtle Grid Background Animation */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 60px 60px;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--black);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: var(--text-gray);
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    height: 52px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-gray);
    position: relative;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--black);
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--black);
    transition: var(--transition);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--black);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 500;
}

.nav-cta:hover {
    background: var(--charcoal);
    transform: translateY(-1px);
}

/* Mobile Menu Button */
.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    transition: var(--transition);
}

.mobile-menu.active span:first-child {
    transform: rotate(45deg) translateY(5.5px);
}

.mobile-menu.active span:last-child {
    transform: rotate(-45deg) translateY(-5.5px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--black);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--charcoal);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: transparent;
    color: var(--black);
    border: 1.5px solid var(--medium-gray);
}

.btn-secondary:hover {
    border-color: var(--black);
    background: var(--off-white);
}

.btn-full {
    width: 100%;
}

/* Section Styles */
section {
    padding: var(--section-padding) 40px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-gray);
    margin-bottom: 16px;
    padding: 6px 12px;
    background: var(--light-gray);
    border-radius: 4px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 80px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding-top: 140px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-gray);
    padding: 8px 16px;
    border: 1px solid var(--medium-gray);
    border-radius: 50px;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero h1 {
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.hero h1 .highlight {
    position: relative;
    display: inline-block;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 0, 0.08);
    z-index: -1;
}

.hero p {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 12px;
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.2rem;
    color: var(--black);
}

.floating-card span {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--black);
}

.card-1 {
    top: 15%;
    right: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    left: 5%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 20%;
    right: 20%;
    animation-delay: -4s;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Services Section */
.services {
    background: var(--off-white);
    max-width: 100%;
    padding-left: 40px;
    padding-right: 40px;
}

.services > .section-header,
.services > .services-grid {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    border-color: var(--black);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--black);
    color: var(--white);
}

.service-icon i {
    font-size: 1.4rem;
    color: var(--black);
    transition: var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Process Section */
.process-timeline {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.process-step {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

.step-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--medium-gray);
    min-width: 60px;
    line-height: 1;
    transition: var(--transition);
}

.process-step:hover .step-number {
    color: var(--black);
}

.step-content h3 {
    margin-bottom: 8px;
    font-size: 1.15rem;
}

.step-content p {
    font-size: 0.95rem;
    line-height: 1.6;
}

.process-connector {
    width: 2px;
    height: 32px;
    background: var(--medium-gray);
    margin-left: 29px;
}

@media (max-width: 768px) {
    .process-step {
        gap: 20px;
    }

    .step-number {
        font-size: 1.5rem;
        min-width: 44px;
    }

    .step-content h3 {
        font-size: 1.05rem;
    }

    .step-content p {
        font-size: 0.9rem;
    }

    .process-connector {
        height: 24px;
        margin-left: 21px;
    }
}

@media (max-width: 480px) {
    .step-number {
        font-size: 1.25rem;
        min-width: 36px;
    }

    .step-content h3 {
        font-size: 1rem;
    }

    .step-content p {
        font-size: 0.85rem;
    }

    .process-connector {
        height: 20px;
        margin-left: 17px;
    }
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content {
    opacity: 0;
    transform: translateX(-30px);
}

.about-content.visible {
    opacity: 1;
    transform: translateX(0);
    transition: var(--transition);
    transition-duration: 0.6s;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-lead {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 16px;
    font-weight: 500;
}

.about-content > p:last-of-type {
    margin-bottom: 40px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 8px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--light-gray);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    font-size: 1.1rem;
}

.value-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 4px;
}

.value-text p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-gray);
}

.about-visual {
    opacity: 0;
    transform: translateX(30px);
}

.about-visual.visible {
    opacity: 1;
    transform: translateX(0);
    transition: var(--transition);
    transition-duration: 0.6s;
    transition-delay: 0.2s;
}

.visual-box {
    background: var(--black);
    border-radius: var(--border-radius);
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.visual-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.visual-box::after {
    content: '● ● ●';
    position: absolute;
    top: 10px;
    left: 16px;
    font-size: 10px;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, 0.3);
}

.code-block {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 2;
    padding-top: 16px;
}

.code-line {
    display: block;
    color: rgba(255, 255, 255, 0.7);
}

.code-keyword {
    color: #C678DD;
}

.code-prop {
    color: #E06C75;
}

.code-string {
    color: #98C379;
}

/* Team Section */
.team-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

.team-card {
    width: 200px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.team-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition);
    transition-duration: 0.5s;
}

.team-card:nth-child(1).visible { transition-delay: 0s; }
.team-card:nth-child(2).visible { transition-delay: 0.1s; }
.team-card:nth-child(3).visible { transition-delay: 0.2s; }
.team-card:nth-child(4).visible { transition-delay: 0.3s; }
.team-card:nth-child(5).visible { transition-delay: 0.4s; }
.team-card:nth-child(6).visible { transition-delay: 0.5s; }

.team-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid var(--light-gray);
    transition: var(--transition);
}

.team-card:hover .team-photo {
    border-color: var(--black);
    transform: scale(1.05);
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card h3 {
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.team-role {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* Portfolio Section */
.portfolio {
    background: var(--off-white);
    max-width: 100%;
    padding-left: 40px;
    padding-right: 40px;
}

.portfolio > .section-header,
.portfolio > .portfolio-grid {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.portfolio-card {
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.portfolio-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-card:hover {
    border-color: var(--black);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    height: 240px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-placeholder {
    width: 80px;
    height: 80px;
    background: var(--medium-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-placeholder i {
    font-size: 2rem;
    color: var(--text-gray);
}

.portfolio-info {
    padding: 32px;
}

.portfolio-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-gray);
    margin-bottom: 8px;
    display: block;
}

.portfolio-info h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.portfolio-info p {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.portfolio-tech {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portfolio-tech span {
    font-size: 0.75rem;
    padding: 6px 12px;
    background: var(--light-gray);
    border-radius: 4px;
    color: var(--dark-gray);
    font-weight: 500;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--black);
    transition: var(--transition);
}

.portfolio-link i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-link {
    gap: 12px;
}

a.portfolio-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Featured Portfolio (Single Project) */
.portfolio-featured {
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-card-featured {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.portfolio-card-featured:hover {
    border-color: var(--black);
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
}

.portfolio-image-featured {
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.portfolio-placeholder-featured {
    width: 120px;
    height: 120px;
    background: var(--medium-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-card-featured:hover .portfolio-placeholder-featured {
    background: var(--black);
}

.portfolio-card-featured:hover .portfolio-placeholder-featured i {
    color: var(--white);
}

.portfolio-placeholder-featured i {
    font-size: 3rem;
    color: var(--text-gray);
    transition: var(--transition);
}

.portfolio-info-featured {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.portfolio-info-featured h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.portfolio-info-featured > p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.portfolio-highlights {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
    padding: 20px 0;
    border-top: 1px solid var(--medium-gray);
    border-bottom: 1px solid var(--medium-gray);
}

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

.highlight-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--black);
    line-height: 1;
    margin-bottom: 4px;
}

.highlight-label {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.portfolio-info-featured .portfolio-tech {
    margin-bottom: 24px;
}

.portfolio-info-featured .portfolio-link {
    margin-top: 0;
}

@media (max-width: 768px) {
    .portfolio-card-featured {
        grid-template-columns: 1fr;
    }

    .portfolio-image-featured {
        min-height: 200px;
    }

    .portfolio-placeholder-featured {
        width: 80px;
        height: 80px;
    }

    .portfolio-placeholder-featured i {
        font-size: 2rem;
    }

    .portfolio-info-featured {
        padding: 32px 24px;
    }

    .portfolio-info-featured h3 {
        font-size: 1.5rem;
    }

    .portfolio-highlights {
        gap: 20px;
    }

    .highlight-number {
        font-size: 1.25rem;
    }
}

/* FAQ Section */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--medium-gray);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--dark-gray);
}

.faq-item.active {
    border-color: var(--black);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--black);
    text-align: left;
    gap: 16px;
}

.faq-question i {
    font-size: 0.85rem;
    color: var(--text-gray);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
    color: var(--black);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 28px 24px;
    font-size: 0.95rem;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .faq-question {
        padding: 20px 24px;
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 24px 20px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .faq-question {
        padding: 18px 20px;
        font-size: 0.9rem;
    }

    .faq-answer p {
        padding: 0 20px 18px;
        font-size: 0.85rem;
    }
}

/* CTA Banner */
.cta-banner {
    background: var(--black);
    max-width: 100%;
    padding: 80px 40px;
    text-align: center;
}

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

.cta-banner h2 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.cta-banner .whatsapp-cta {
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.25);
}

@media (max-width: 768px) {
    .cta-banner {
        padding: 60px 20px;
    }

    .cta-banner p {
        font-size: 0.95rem;
    }

    .cta-banner .whatsapp-cta {
        width: 100%;
    }
}

/* Contact Section */
.contact {
    max-width: 100%;
    padding-left: 40px;
    padding-right: 40px;
}

.contact-centered {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-centered h2 {
    margin-bottom: 16px;
}

.contact-centered > p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.7;
}

.whatsapp-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #25D366;
    color: var(--white);
    padding: 18px 40px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3);
}

.whatsapp-cta:hover {
    background: #20bd5a;
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
}

.whatsapp-cta i {
    font-size: 1.4rem;
}

.contact-alt {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--medium-gray);
}

.contact-alt p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.contact-alt a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--black);
    text-decoration: none;
    transition: var(--transition);
}

.contact-alt a:hover {
    color: var(--dark-gray);
}

/* Footer */
footer {
    background: var(--black);
    color: var(--white);
    padding: 80px 40px 40px;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 52px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: var(--transition);
}

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

.footer-bottom {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-top: 40px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }

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

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

    .hero-visual {
        width: 100%;
        height: 300px;
    }

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

    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-content {
        text-align: center;
    }

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

    .contact-centered {
        padding: 0 20px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    nav {
        padding: 16px 20px;
    }

    .logo-img {
        height: 44px;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }

    section {
        padding-left: 20px;
        padding-right: 20px;
    }

    .services,
    .portfolio,
    .contact {
        padding-left: 20px;
        padding-right: 20px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .service-card {
        padding: 32px 24px;
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-visual {
        display: none;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

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

    .team-grid {
        gap: 20px;
    }

    .team-card {
        width: 140px;
    }

    .team-photo {
        width: 90px;
        height: 90px;
    }

    .team-card h3 {
        font-size: 0.95rem;
    }

    .team-role {
        font-size: 0.75rem;
    }

    .team-hint {
        font-size: 0.6rem;
    }

    .about-container {
        gap: 40px;
    }

    .about-content {
        text-align: left;
    }

    .about-lead {
        font-size: 1.05rem;
    }

    .about-values {
        gap: 20px;
    }

    .value-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1rem;
    }

    .value-text h4 {
        font-size: 0.95rem;
    }

    .value-text p {
        font-size: 0.85rem;
    }

    .visual-box {
        padding: 32px 20px;
    }

    .code-block {
        font-size: 0.75rem;
        line-height: 1.8;
    }

    /* Portfolio Featured Mobile */
    .portfolio-card-featured {
        grid-template-columns: 1fr;
    }

    .portfolio-image-featured {
        min-height: 180px;
    }

    .portfolio-placeholder-featured {
        width: 70px;
        height: 70px;
    }

    .portfolio-placeholder-featured i {
        font-size: 1.75rem;
    }

    .portfolio-info-featured {
        padding: 28px 24px;
    }

    .portfolio-info-featured h3 {
        font-size: 1.5rem;
    }

    .portfolio-info-featured > p {
        font-size: 0.95rem;
    }

    .portfolio-highlights {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .highlight-item {
        min-width: 80px;
        text-align: center;
    }

    .highlight-number {
        font-size: 1.25rem;
    }

    .highlight-label {
        font-size: 0.7rem;
    }

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

    .portfolio-link {
        display: flex;
        justify-content: center;
    }

    /* Contact Mobile */
    .contact-centered {
        padding: 0;
    }

    .contact-centered h2 {
        font-size: 1.75rem;
    }

    .contact-centered > p {
        font-size: 1rem;
    }

    .whatsapp-cta {
        padding: 16px 28px;
        font-size: 1rem;
        width: 100%;
    }

    .contact-alt {
        margin-top: 32px;
        padding-top: 24px;
    }

    /* Footer Mobile */
    footer {
        padding: 50px 20px 30px;
    }

    .footer-container {
        gap: 40px;
    }

    .footer-logo {
        height: 44px;
    }

    .footer-brand p {
        font-size: 0.9rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-col h4 {
        margin-bottom: 12px;
    }

    .footer-col a {
        margin-bottom: 8px;
    }

    .floating-card {
        padding: 14px 20px;
    }

    .floating-card span {
        font-size: 0.8rem;
    }

    /* Modal Mobile */
    .modal-content {
        padding: 36px 24px;
        margin: 20px;
        width: calc(100% - 40px);
    }

    .modal-photo {
        width: 110px;
        height: 110px;
    }

    .modal-info h3 {
        font-size: 1.25rem;
    }

    .modal-role {
        font-size: 0.85rem;
    }

    .modal-info p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
    }

    nav {
        padding: 12px 16px;
    }

    .logo-img {
        height: 38px;
    }

    h1 {
        font-size: 1.75rem;
        letter-spacing: -0.02em;
    }

    h2 {
        font-size: 1.5rem;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    .hero {
        padding-top: 90px;
        padding-bottom: 50px;
    }

    .hero-badge {
        font-size: 0.7rem;
        padding: 6px 12px;
        margin-bottom: 16px;
    }

    .hero h1 {
        font-size: 1.85rem;
        margin-bottom: 16px;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 28px;
    }

    .hero-cta {
        gap: 12px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .service-card {
        padding: 28px 20px;
    }

    .service-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 20px;
    }

    .service-icon i {
        font-size: 1.2rem;
    }

    .service-card h3 {
        font-size: 1.1rem;
    }

    .service-card p {
        font-size: 0.9rem;
    }

    .about-content h2 {
        font-size: 1.5rem;
    }

    .about-lead {
        font-size: 1rem;
    }

    .about-content > p {
        font-size: 0.9rem;
    }

    .value-item {
        gap: 12px;
    }

    .value-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: 0.9rem;
        border-radius: 8px;
    }

    .value-text h4 {
        font-size: 0.9rem;
    }

    .value-text p {
        font-size: 0.8rem;
    }

    .visual-box {
        padding: 28px 16px;
    }

    .code-block {
        font-size: 0.65rem;
        line-height: 1.7;
    }

    .team-grid {
        gap: 16px;
    }

    .team-card {
        width: 120px;
    }

    .team-photo {
        width: 75px;
        height: 75px;
        border-width: 2px;
    }

    .team-card h3 {
        font-size: 0.85rem;
    }

    .team-role {
        font-size: 0.7rem;
    }

    .team-hint {
        display: none;
    }

    .portfolio-info-featured {
        padding: 24px 20px;
    }

    .portfolio-info-featured h3 {
        font-size: 1.35rem;
    }

    .portfolio-info-featured > p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }

    .portfolio-highlights {
        padding: 16px 0;
    }

    .highlight-item {
        min-width: 70px;
    }

    .highlight-number {
        font-size: 1.1rem;
    }

    .portfolio-tech span {
        font-size: 0.7rem;
        padding: 5px 10px;
    }

    .contact-centered h2 {
        font-size: 1.5rem;
    }

    .contact-centered > p {
        font-size: 0.95rem;
        margin-bottom: 32px;
    }

    .whatsapp-cta {
        padding: 14px 20px;
        font-size: 0.95rem;
        border-radius: 10px;
    }

    .whatsapp-cta i {
        font-size: 1.2rem;
    }

    .contact-alt p {
        font-size: 0.85rem;
    }

    .contact-alt a {
        font-size: 0.95rem;
    }

    .footer-logo {
        height: 38px;
    }

    .footer-brand p {
        font-size: 0.85rem;
    }

    .footer-col h4 {
        font-size: 0.8rem;
    }

    .footer-col a {
        font-size: 0.85rem;
    }

    .footer-bottom p {
        font-size: 0.75rem;
    }

    /* Modal Extra Small */
    .modal-content {
        padding: 28px 20px;
        margin: 16px;
        width: calc(100% - 32px);
        border-radius: 12px;
    }

    .modal-close {
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
    }

    .modal-photo {
        width: 90px;
        height: 90px;
        margin-bottom: 20px;
    }

    .modal-info h3 {
        font-size: 1.15rem;
    }

    .modal-role {
        font-size: 0.8rem;
        margin-bottom: 16px;
        padding-bottom: 16px;
    }

    .modal-info p {
        font-size: 0.85rem;
    }

    /* Mobile Nav */
    .mobile-nav a {
        font-size: 1.25rem;
    }
}

/* Animations for scroll reveal */
.service-card,
.team-card,
.portfolio-card,
.about-content,
.about-visual {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Selection Color */
::selection {
    background: var(--black);
    color: var(--white);
}

/* Team Card Clickable */
.team-card {
    cursor: pointer;
    position: relative;
}

.team-hint {
    display: block;
    font-size: 0.7rem;
    color: var(--text-gray);
    margin-top: 8px;
    opacity: 0;
    transition: var(--transition);
}

.team-card:hover .team-hint {
    opacity: 1;
}

/* Team Modal */
.team-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: 16px;
    max-width: 480px;
    width: 90%;
    padding: 48px;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.3);
}

.team-modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-gray);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--dark-gray);
    font-size: 1rem;
}

.modal-close:hover {
    background: var(--black);
    color: var(--white);
}

.modal-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 24px;
    border: 4px solid var(--light-gray);
}

.modal-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
    color: var(--black);
}

.modal-role {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 500;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--medium-gray);
}

.modal-info p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

@media (max-width: 480px) {
    .modal-content {
        padding: 32px 24px;
    }

    .modal-photo {
        width: 120px;
        height: 120px;
    }

    .modal-info h3 {
        font-size: 1.25rem;
    }

    .modal-info p {
        font-size: 0.9rem;
    }
}