/* ===== CSS RESET & BASE ===== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter";
  line-height: 1.5;
  color: #1f2937;
  background-color: white;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-text: oklch(0.21 0.034 264.665);
  --color-text-light: oklch(0.446 0.03 256.802);
  --color-bg: #ffffff;
  --color-bg-gray: #f9fafb;
  --color-border: #e5e7eb;

  /* Spacing (8px system) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 80px;
  --space-4xl: 120px;

  /* Container */
  --container-max: 1200px;
  --container-padding: 16px;
}

/* ===== UTILITIES =====  */

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

section {
  padding: var(--space-3xl) 0;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-align: center;
  color: var(--color-text);
}

/* ===== NAVIGATION =====  */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.header.scrolled {
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.navbar {
  position: relative;
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.logo {
  display: flex;
  gap: var(--space-xs);
  font-size: 1rem;
  font-weight: 600;
}

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

.logo img {
  width: 24px;
  height: 24px;
}

.nav-menu {
  display: none; /* Hidden on mobile */
  gap: var(--space-lg);
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.nav-link:hover {
  color: var(--color-primary-dark);
}

.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  gap: var(--space-sm);
  top: 64px;
  left: 0;
  width: 100%;
  background-color: white;
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-link {
  padding: var(--space-xs) 0;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.3s;
}

.hamburger .bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  display: block;
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger.active .bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger.active .bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ===== HERO SECTION =====  */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--space-2xl);
  padding-bottom: 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  justify-items: start;
  width: 100%;
}

.hero-image img {
  width: 550px;
  border-radius: 20px;
}

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

.hero-title p {
  font-size: 1.125rem;
  color: var(--color-primary-dark);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  line-height: 1.33;
}

.hero-title h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.hero-title h2 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  max-width: 550px;
  color: var(--color-text-light);
  text-align: left;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: var(--space-sm);
}

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

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

.btn-secondary {
  border: 2px solid var(--color-text-light);
}

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

.hero-social img {
  width: 24px;
  height: 24px;
}

.hero-social {
  padding-top: var(--space-sm);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.hero-social a:hover img {
  transform: scale(1.2);
  filter: invert(32%) sepia(98%) saturate(2000%) hue-rotate(210deg);
}
/* ===== ABOUT SECTION =====  */

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

.about-content {
  max-width: 896px;
  margin: 0 auto;
}

.about-description {
  padding: var(--space-lg);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  line-height: 1.8;
  color: oklch(0.373 0.034 259.733);
  background-color: var(--color-bg);
  font-size: 1.125rem;
  text-align: justify;
}

/* ==== SKILLS SECTION ==== */
.skills-text h2 {
  margin-bottom: var(--space-xl);
}

.skills-icons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.skill-item {
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--space-sm);
  transition: all 0.3s;
}

.skill-item:hover {
  border: 2px solid var(--color-primary-dark);
}

.skill-item:hover img {
  transform: translateX(-5px);
}

.skill-item span {
  font-size: 1.125rem;
  font-weight: 600;
}

.skills-icons img {
  width: 60px;
  margin-bottom: 12px;
  transition: transform 0.3s ease;
}

/* ==== SKILLS SECTION ==== */

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

.projects-text p {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.projects-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.project-item {
  border-radius: var(--space-sm);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.1);
  background-color: white;
  overflow: hidden;
  transition: all 0.3s;
}

.project-item:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.project-image {
  overflow: hidden;
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.4s;
}

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

.project-content {
  padding: var(--space-md);
}

.project-content h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
}

.project-content p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
  font-size: 0.8rem;
  font-weight: 500;
}

.project-tech span {
  padding: 4px 12px;
  border-radius: var(--space-sm);
  font-size: 0.875rem;
  background-color: #eff6ff;
}

.project-code a {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  padding-top: var(--space-xs);
}

.project-code img {
  width: 16px;
  height: 16px;
  transition: all 0.3s;
}

.project-code a:hover img {
  transform: scale(1.2);
  filter: invert(32%) sepia(98%) saturate(2000%) hue-rotate(210deg);
}

/* ===== CONTACT SECTION =====  */

.contact-text {
  text-align: center;
}
.contact-text p {
  max-width: 650px;
  margin: 0 auto;

  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.badge {
  display: inline-flex;
  gap: var(--space-xs);
  align-items: center;
  padding: 12px var(--space-md);
  margin-bottom: var(--space-lg);
  border-radius: var(--space-lg);
  font-weight: 500;
  color: #16a34a;
  background-color: #dcfce7;
}

.badge .dot {
  width: 10px;
  height: 10px;
  background-color: #22c55e;
  border-radius: 50%;
}

.contact-email {
  display: flex;
  gap: var(--space-xs);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.contact-email a {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  padding: 12px var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--space-sm);
  font-weight: 500;
  transition: all 0.3s;
}

.contact-email:hover a {
  border: 2px solid var(--color-primary-dark);
  filter: invert(32%) sepia(98%) saturate(2000%) hue-rotate(210deg);
}

.contact-info img {
  width: 24px;
  transition: all 0.3s;
}

.contact-social {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
}

.contact-social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.contact-social-item a {
  width: 60px;
  height: 60px;
  background-color: #f3f4f6;
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.contact-social-item:hover span {
  color: var(--color-primary-dark);
}

.contact-social-item:hover img {
  filter: invert(32%) sepia(98%) saturate(2000%) hue-rotate(210deg);
}

/* ===== FOOTER =====  */
.footer {
  padding: var(--space-lg);
  background-color: oklch(0.21 0.034 264.665);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ===== RESPONSIVE =====  */
@media (min-width: 768px) {
  :root {
    --container-padding: 32px;
  }

  .container {
    padding: 0 var(--container-padding);
  }

  .section-title {
    font-size: 2.25rem;
  }

  .navbar {
    height: 64px;
  }

  .nav-menu {
    display: flex;
    flex-direction: row;
    list-style: none;
  }

  .hamburger {
    display: none;
  }

  .hero {
    padding: var(--space-2xl) var(--space-lg) 0;
  }

  .hero-title h1 {
    font-size: 3.75rem;
  }

  .hero-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }

  .skills-icons,
  .projects-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .about,
  .skills,
  .project,
  .contact {
    padding: var(--space-3xl) 0;
  }
}