/* Modern Portfolio CSS Reset and Base Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #8b5cf6;
  --secondary-color: #06b6d4;
  --accent-color: #f59e0b;
  
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --text-white: #ffffff;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-dark: #111827;
  --bg-card: #ffffff;
  
  --border-color: #e5e7eb;
  --border-dark: #374151;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* Dark theme variables */
[data-theme="dark"] {
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  --bg-card: #1f2937;
  
  --border-color: #374151;
}

/* Base styles */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

/* Section */
.section {
  padding: var(--space-20) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__subtitle {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
  background-color: rgba(17, 24, 39, 0.95);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.nav__logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav__menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: right var(--transition-normal);
  z-index: var(--z-modal);
}

.nav__menu.show-menu {
  right: 0;
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

.nav__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.nav__toggle {
  display: flex;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.nav__actions {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

/* Desktop Navigation */
@media (min-width: 768px) {
  .nav__menu {
    position: static;
    width: auto;
    height: auto;
    background-color: transparent;
    flex-direction: row;
  }
  
  .nav__list {
    flex-direction: row;
    gap: var(--space-8);
  }
  
  .nav__link {
    font-size: var(--font-size-base);
  }
  
  .nav__close,
  .nav__toggle {
    display: none;
  }
  
  .nav__actions {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

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

.btn--secondary:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
  transform: scale(1.1);
}

/* Hero Section */
.hero {
  padding: var(--space-24) 0 var(--space-20);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.hero__container {
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-12);
}

.hero__content {
  text-align: center;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.hero__title-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero__social {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.hero__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.hero__social-link:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__image-bg {
  position: absolute;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.hero__img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--text-white);
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 2;
}

.hero__floating-card {
  position: absolute;
  background-color: var(--bg-card);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  animation: float 4s ease-in-out infinite;
}

.hero__floating-card--1 {
  top: 20%;
  left: -10%;
  animation-delay: -1s;
}

.hero__floating-card--2 {
  top: 60%;
  right: -10%;
  animation-delay: -2s;
}

.hero__floating-card--3 {
  bottom: 10%;
  left: 10%;
  animation-delay: -3s;
}

.hero__floating-card i {
  color: var(--primary-color);
}

@media (min-width: 768px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
  
  .hero__content {
    text-align: left;
  }
  
  .hero__description {
    margin-left: 0;
    margin-right: 0;
  }
  
  .hero__buttons {
    flex-direction: row;
  }
  
  .hero__social {
    justify-content: flex-start;
  }
  
  .hero__title {
    font-size: var(--font-size-5xl);
  }
  
  .hero__floating-card {
    display: flex;
  }
}

@media (max-width: 767px) {
  .hero__floating-card {
    display: none;
  }
}

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

.about__container {
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

.about__content {
  order: 2;
}

.about__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.about__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.about__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about__info-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.about__info-item i {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
}

.about__info-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  display: block;
}

.about__info-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.about__services {
  display: grid;
  gap: var(--space-6);
  order: 1;
}

.service__card {
  background-color: var(--bg-card);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-normal);
}

.service__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  color: var(--text-white);
  font-size: var(--font-size-2xl);
}

.service__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.service__description {
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .about__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
  
  .about__content {
    order: 1;
  }
  
  .about__services {
    grid-template-columns: 1fr 1fr;
    order: 2;
  }
  
  .about__info {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .about__info-item {
    flex: 1;
    min-width: 200px;
  }
}

/* Skills Section */
.skills__container {
  display: grid;
  gap: var(--space-12);
}

.skills__category {
  background-color: var(--bg-card);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.skills__category-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  text-align: center;
}

.skills__list {
  display: grid;
  gap: var(--space-6);
}

.skill__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.skill__icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.skill__name {
  flex: 1;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.skill__level {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
  min-width: 40px;
  text-align: right;
}

.skill__bar {
  flex: 1;
  height: 6px;
  background-color: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 var(--space-3);
}

.skill__progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 3px;
  transition: width 1s ease-in-out;
}

@media (min-width: 768px) {
  .skills__container {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

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

.experience__container {
  display: grid;
  gap: var(--space-16);
}

.experience__section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-8);
}

.experience__section-title i {
  color: var(--primary-color);
}

.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: var(--space-6);
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-12);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 8px;
  width: 12px;
  height: 12px;
  background-color: var(--primary-color);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
}

.timeline__date {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--primary-color);
  margin-bottom: var(--space-2);
}

.timeline__content {
  background-color: var(--bg-card);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.timeline__company {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.timeline__logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background-color: var(--bg-tertiary);
  padding: var(--space-2);
}

.timeline__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.timeline__company-name {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.timeline__description {
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .experience__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
  }
}

/* Projects Section */
.projects__container {
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.project__card {
  background-color: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.project__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project__image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(99, 102, 241, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project__card:hover .project__overlay {
  opacity: 1;
}

.project__card:hover .project__img {
  transform: scale(1.1);
}

.project__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--text-white);
  color: var(--primary-color);
  border-radius: 50%;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.project__link:hover {
  transform: scale(1.1);
}

.project__content {
  padding: var(--space-6);
}

.project__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.project__description {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.project__tech {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tech__tag {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background-color: var(--bg-secondary);
  color: var(--primary-color);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
}

@media (min-width: 768px) {
  .projects__container {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

/* Testimonials Section */
.testimonials {
  background-color: var(--bg-secondary);
}

.testimonials__container {
  display: grid;
  gap: var(--space-8);
}

.testimonial__card {
  background-color: var(--bg-card);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.testimonial__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.testimonial__content {
  margin-bottom: var(--space-6);
}

.testimonial__text {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  position: relative;
}

.testimonial__text::before {
  content: '"';
  font-size: var(--font-size-4xl);
  color: var(--primary-color);
  position: absolute;
  left: -20px;
  top: -10px;
  font-family: Georgia, serif;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.testimonial__role {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

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

/* Contact Section */
.contact__container {
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

.contact__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.contact__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.contact__cards {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact__card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.contact__card i {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
}

.contact__card h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.contact__card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.contact__social {
  display: flex;
  gap: var(--space-4);
}

.contact__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.contact__social-link:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* Contact Form */
.contact__form {
  display: grid;
  gap: var(--space-6);
}

.form__group {
  display: flex;
  flex-direction: column;
}

.form__input {
  padding: var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: border-color var(--transition-fast);
}

.form__input:focus {
  outline: none;
  border-color: var(--primary-color);
}

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

.form__submit {
  justify-self: start;
}

@media (min-width: 768px) {
  .contact__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
  
  .contact__cards {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: var(--space-12) 0;
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__text {
  font-size: var(--font-size-sm);
}

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

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  background-color: var(--primary-color);
  color: var(--text-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
}

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

.scroll-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

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

/* Loading animation for skill bars */
.skills.animate .skill__progress {
  animation: fillBar 1.5s ease-in-out;
}

@keyframes fillBar {
  from {
    width: 0;
  }
}

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

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

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

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

.bg-secondary {
  background-color: var(--bg-secondary);
}

/* Responsive Typography */
@media (min-width: 768px) {
  .section__title {
    font-size: var(--font-size-5xl);
  }
}