/* ==========================================================================
   Portfolio Daniel Fosela - Design System & Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables / Design Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Dark Mode */
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-surface: #141414;
    --color-surface-hover: #1a1a1a;
    --color-border: #262626;
    --color-border-light: #333333;

    --color-text-primary: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    --color-accent: #6366f1;
    --color-accent-hover: #818cf8;
    --color-accent-light: rgba(99, 102, 241, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.1;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-header: 100;
    --z-modal: 200;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
    list-style: none;
}

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

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-5xl) 0;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.section__header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section__label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

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

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn--outline {
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    background-color: transparent;
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--space-lg) 0;
    background-color: transparent;
    transition: all var(--transition-normal);
}

.header--scrolled {
    padding: var(--space-md) 0;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav__logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.nav__logo:hover {
    color: var(--color-accent);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    position: relative;
}

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

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

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

.nav__link--cta {
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-accent);
    color: white;
    border-radius: var(--radius-md);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background-color: var(--color-accent-hover);
    color: white;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-4xl);
    padding: var(--space-5xl) 0;
}

.hero__greeting {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero__title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.hero__tagline {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.hero__cta {
    display: flex;
    gap: var(--space-md);
}

.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__shape {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--color-accent) 0%, transparent 60%);
    opacity: 0.3;
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

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

    50% {
        transform: translateY(8px);
    }
}

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

.about__content {
    max-width: 800px;
    margin: 0 auto;
}

.about__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-lg);
}

.about__description strong {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

.about__values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.about__value {
    padding: var(--space-xl);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.about__value:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.about__value-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.about__value-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Technologies Section
   -------------------------------------------------------------------------- */
.technologies__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.tech-card {
    padding: var(--space-2xl);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.tech-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.tech-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-lg);
    color: var(--color-accent);
}

.tech-card__icon svg {
    width: 100%;
    height: 100%;
}

.tech-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-lg);
}

.tech-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tech-card__list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Experience Section
   -------------------------------------------------------------------------- */
.experience {
    background-color: var(--color-bg-alt);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.timeline__item {
    position: relative;
    padding-left: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

.timeline__item:last-child {
    padding-bottom: 0;
}

.timeline__marker {
    position: absolute;
    left: -5px;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-accent);
    border: 2px solid var(--color-bg-alt);
}

.timeline__content {
    padding: var(--space-xl);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.timeline__content:hover {
    border-color: var(--color-accent);
}

.timeline__date {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.timeline__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
}

.timeline__company {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    display: block;
}

.timeline__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Projects Section - Carousel
   -------------------------------------------------------------------------- */
.projects {
    background-color: var(--color-bg);
    overflow: hidden;
}

.carousel {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-2xl);
}

.carousel__viewport {
    overflow: visible;
    max-width: 550px;
    margin: 0 auto;
}

.carousel__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.carousel__slide {
    flex: 0 0 100%;
    min-width: 100%;
    transition: all 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Slide states for peek effect */
.carousel__slide {
    opacity: 0.3;
    transform: scale(0.85);
    filter: blur(2px);
}

.carousel__slide.active {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
}

.carousel__slide.prev,
.carousel__slide.next {
    opacity: 0.5;
    transform: scale(0.9);
    filter: blur(1px);
}

/* Modern Project Card - Less boxy */
.carousel .project-card {
    background: linear-gradient(145deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
}

.carousel__slide.active .project-card {
    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(99, 102, 241, 0.1);
}

/* Carousel Arrows - Modern style */
.carousel__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
}

.carousel__arrow:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel__arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel__arrow:disabled {
    opacity: 0.2;
    cursor: not-allowed;
    transform: translateY(-50%);
}

.carousel__arrow:disabled:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.carousel__arrow--prev {
    left: var(--space-xl);
}

.carousel__arrow--next {
    right: var(--space-xl);
}

/* Carousel Indicators - Modern dots */
.carousel__indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.carousel__indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.carousel__indicator::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.carousel__indicator:hover {
    background-color: var(--color-text-muted);
}

.carousel__indicator.active {
    background-color: var(--color-accent);
    width: 24px;
    border-radius: var(--radius-full);
}

.carousel__indicator.active::after {
    border-color: var(--color-accent-light);
}

/* Project Card Styles - Simplified with overlay */
.project-card {
    position: relative;
    cursor: pointer;
}

.project-card__image {
    aspect-ratio: 16 / 10;
    background-color: var(--color-bg);
    overflow: hidden;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-border);
}

.project-card__placeholder svg {
    width: 48px;
    height: 48px;
}

.project-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: all var(--transition-normal);
}

.project-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-xs);
}

.project-card__cta {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.project-card:hover .project-card__cta {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover .project-card__overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.3) 100%);
}

/* --------------------------------------------------------------------------
   Modal Styles
   -------------------------------------------------------------------------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal__backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.modal__container {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    background: linear-gradient(145deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal.active .modal__container {
    transform: scale(1) translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
}

.modal__close:hover {
    background: var(--color-accent);
    color: white;
}

.modal__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-height: 90vh;
    overflow-y: auto;
}

.modal__gallery {
    background-color: var(--color-bg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.modal__image-main {
    aspect-ratio: 16 / 10;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.modal__thumbnails {
    display: flex;
    gap: var(--space-sm);
}

.modal__thumb {
    width: 60px;
    height: 40px;
    background-color: var(--color-surface);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    padding: 0;
}

.modal__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.modal__thumb:hover {
    border-color: var(--color-text-muted);
}

.modal__thumb.active {
    border-color: var(--color-accent);
}

.modal__info {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.modal__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

.modal__description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.modal__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.modal__link {
    align-self: flex-start;
    margin-top: auto;
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal__content {
        grid-template-columns: 1fr;
    }

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

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

.tag {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    background-color: var(--color-accent-light);
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Footer / Contact
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-bg-alt);
    padding: var(--space-5xl) 0 var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.footer__content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-4xl);
}

.footer__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-lg);
}

.footer__text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.footer__contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.footer__email {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    transition: all var(--transition-normal);
}

.footer__email:hover {
    color: var(--color-accent-hover);
}

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.footer__social-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.footer__social-link svg {
    width: 20px;
    height: 20px;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.animate-fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards;
}

.animate-fade-up:nth-child(1) {
    animation-delay: 0.1s;
}

.animate-fade-up:nth-child(2) {
    animation-delay: 0.2s;
}

.animate-fade-up:nth-child(3) {
    animation-delay: 0.3s;
}

.animate-fade-up:nth-child(4) {
    animation-delay: 0.4s;
}

.animate-fade-up:nth-child(5) {
    animation-delay: 0.5s;
}

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 992px) {
    :root {
        --font-size-6xl: 3.5rem;
        --font-size-5xl: 2.75rem;
        --font-size-4xl: 2rem;
    }

    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero__cta {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }

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

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

    /* Carousel Tablet */
    .carousel__arrow--prev {
        left: 10px;
    }

    .carousel__arrow--next {
        right: 10px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --container-padding: 1rem;
    }

    .section {
        padding: var(--space-4xl) 0;
    }

    /* Mobile Navigation */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        gap: var(--space-2xl);
        background-color: var(--color-bg);
        border-left: 1px solid var(--color-border);
        transition: right var(--transition-normal);
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__toggle {
        display: flex;
        z-index: calc(var(--z-header) + 1);
    }

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

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

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

    .hero__cta {
        flex-direction: column;
    }

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

    .footer__title {
        font-size: var(--font-size-2xl);
    }
}