/* =========================================================
   PORTFOLIO STYLESHEET — Harsh Suthar
   Structure:
   1. Reset & Base
   2. CSS Variables (Light + Dark Theme)
   3. Typography
   4. Layout Utilities
   5. Buttons
   6. Navbar
   7. Mobile Menu
   8. Hero Section
   9. About Section
   10. Skills Section
   11. Services Section
   12. Projects Section
   13. Contact Section
   14. Footer
   15. Back To Top Button
   16. Scroll Animations
   17. Scrollbar
   18. Responsive Media Queries
   ========================================================= */


/* =========================================================
   1. RESET & BASE
   ========================================================= */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea {
  font: inherit;
  color: inherit;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* =========================================================
   2. CSS VARIABLES
   ========================================================= */
:root {
  /* ---- Brand accent (shared across themes) ---- */
  --accent-1: #6C5CE7;         /* indigo-violet */
  --accent-2: #00D2C6;         /* teal */
  --accent-3: #F472B6;         /* pink — used sparingly */
  --gradient-brand: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --gradient-brand-soft: linear-gradient(135deg, rgba(108,92,231,0.12), rgba(0,210,198,0.12));

  /* ---- Light theme ---- */
  --bg: #F7F7FB;
  --bg-alt: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --text-primary: #14162B;
  --text-secondary: #5B5F7A;
  --text-muted: #8A8DAA;
  --border-color: rgba(20, 22, 43, 0.08);
  --shadow-color: rgba(20, 22, 43, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.6);
  --nav-bg: rgba(247, 247, 251, 0.7);
  --input-bg: rgba(255, 255, 255, 0.6);

  /* ---- Sizing / Radius / Shadow tokens ---- */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-full: 999px;

  --shadow-sm: 0 4px 16px var(--shadow-color);
  --shadow-md: 0 12px 32px var(--shadow-color);
  --shadow-lg: 0 24px 60px var(--shadow-color);

  --transition-fast: 0.25s ease;
  --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);

  --container-width: 1180px;
  --header-height: 80px;
}

[data-theme="dark"] {
  --bg: #0D0F1C;
  --bg-alt: #12142A;
  --bg-elevated: #161933;
  --text-primary: #EDEEFB;
  --text-secondary: #9A9DBE;
  --text-muted: #6C6F94;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-color: rgba(0, 0, 0, 0.45);
  --glass-bg: rgba(22, 25, 51, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --nav-bg: rgba(13, 15, 28, 0.7);
  --input-bg: rgba(255, 255, 255, 0.05);
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}


/* =========================================================
   3. TYPOGRAPHY
   ========================================================= */
body {
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
}

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


/* =========================================================
   4. LAYOUT UTILITIES
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 130px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-1);
  background: var(--gradient-brand-soft);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}


/* =========================================================
   5. BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius-full);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn i {
  font-size: 0.85rem;
  transition: transform var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(108, 92, 231, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(108, 92, 231, 0.45);
}

.btn-primary:hover i {
  transform: translateX(4px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}


/* =========================================================
   6. NAVBAR
   ========================================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: padding var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  padding: 12px 0;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-color);
}

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

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-dot {
  color: var(--accent-1);
}

.logo-bracket {
  color: var(--accent-1);
  font-weight: 400;
}

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

.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 2px;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  transform: rotate(20deg);
  border-color: var(--accent-1);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}


/* =========================================================
   7. MOBILE MENU
   ========================================================= */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
  margin: 0 auto;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* =========================================================
   8. HERO SECTION
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
}

.shape-1 {
  width: 420px;
  height: 420px;
  background: var(--accent-1);
  top: -100px;
  right: -80px;
  animation: floatShape 12s ease-in-out infinite;
}

.shape-2 {
  width: 340px;
  height: 340px;
  background: var(--accent-2);
  bottom: -60px;
  left: -100px;
  animation: floatShape 14s ease-in-out infinite reverse;
}

.shape-3 {
  width: 260px;
  height: 260px;
  background: var(--accent-3);
  top: 40%;
  left: 45%;
  opacity: 0.18;
  animation: floatShape 16s ease-in-out infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-greeting {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--accent-1);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.hero-heading {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-subheading {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 1.4em;
}

.typing-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.cursor-blink {
  color: var(--accent-1);
  animation: blink 1s step-start infinite;
  font-weight: 300;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-description {
  max-width: 480px;
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-socials {
  display: flex;
  gap: 14px;
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.social-icon:hover {
  background: var(--gradient-brand);
  color: #fff;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 24px rgba(108, 92, 231, 0.35);
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: var(--gradient-brand);
  filter: blur(80px);
  opacity: 0.4;
  border-radius: 50%;
  z-index: 0;
}

.hero-image-frame {
  position: relative;
  width: 340px;
  height: 340px;
  border-radius: 40% 60% 55% 45% / 50% 45% 55% 50%;
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  z-index: 1;
  animation: floatImage 5s ease-in-out infinite;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes floatImage {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

.hero-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 2;
  animation: floatImage 6s ease-in-out infinite;
}

.hero-badge i {
  color: var(--accent-1);
}

.hero-badge-1 {
  top: 10%;
  left: -6%;
  animation-delay: 0.5s;
}

.hero-badge-2 {
  bottom: 10%;
  right: -8%;
  animation-delay: 1.2s;
}

.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-mouse {
  display: block;
  width: 26px;
  height: 42px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  position: relative;
}

.scroll-wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent-1);
  border-radius: var(--radius-full);
  animation: scrollWheel 1.6s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 20px; }
}


/* =========================================================
   9. ABOUT SECTION
   ========================================================= */
.about-content {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  align-items: center;
}

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

.about-image-frame {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.about-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient-brand);
  color: #fff;
  padding: 20px 26px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.badge-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
}

.badge-text {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.9;
}

.about-heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 20px;
}

.about-paragraph {
  margin-bottom: 16px;
}

.info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-1);
}

.info-card i {
  font-size: 1.2rem;
  color: var(--accent-1);
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand-soft);
  border-radius: 50%;
}

.info-card div {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.info-value {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}


/* =========================================================
   10. SKILLS SECTION
   ========================================================= */
.skills {
  background: var(--bg-alt);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.skill-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  text-align: left;
}

.skill-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-1);
}

.skill-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 22px;
  transition: transform var(--transition-fast);
}

.skill-card:hover .skill-icon {
  transform: rotate(-8deg) scale(1.08);
}

.skill-name {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.skill-desc {
  font-size: 0.92rem;
}


/* =========================================================
   11. SERVICES SECTION
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.service-card {
  padding: 40px 26px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand-soft);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border-color);
  color: var(--accent-1);
  font-size: 1.5rem;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover .service-icon {
  background: var(--gradient-brand);
  color: #fff;
  transform: scale(1.1);
}

.service-title {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9rem;
}


/* =========================================================
   12. PROJECTS SECTION
   ========================================================= */
.projects {
  background: var(--bg-alt);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.project-image-wrapper {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
}

.project-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.project-slide-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
}

.project-slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--bg);
}

.project-image-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--gradient-brand-soft);
  color: var(--text-muted);
}

.project-image-placeholder i {
  font-size: 2rem;
  color: var(--accent-1);
}

.project-image-placeholder span {
  font-size: 0.85rem;
  font-weight: 500;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-primary);
  font-size: 0.85rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast), background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  z-index: 2;
}

.slider-arrow-left {
  left: 14px;
}

.slider-arrow-right {
  right: 14px;
}

.project-slider:hover .slider-arrow {
  opacity: 1;
  visibility: visible;
}

.slider-arrow:hover {
  background: var(--gradient-brand);
  color: #fff;
  transform: translateY(-50%) scale(1.08);
}

.slider-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.slider-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transition: background var(--transition-fast), transform var(--transition-fast), width var(--transition-fast);
}

.slider-dot.active {
  background: #ffffff;
  width: 20px;
  border-radius: var(--radius-full);
}

.project-info {
  padding: 26px;
}

.project-title {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.tech-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand-soft);
  color: var(--accent-1);
}

.project-buttons {
  display: flex;
  gap: 12px;
}


/* =========================================================
   13. CONTACT SECTION
   ========================================================= */
.contact-content {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.contact-info-heading {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.contact-info-text {
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand-soft);
  color: var(--accent-1);
  font-size: 1.05rem;
}

.contact-detail-item div {
  display: flex;
  flex-direction: column;
}

.contact-detail-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.contact-detail-value {
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-socials {
  display: flex;
  gap: 14px;
}

.contact-form {
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.15);
}

.form-textarea {
  resize: none;
  min-height: 130px;
}

.form-status {
  margin-top: 16px;
  font-size: 0.88rem;
  text-align: center;
  min-height: 1.2em;
}


/* =========================================================
   14. FOOTER
   ========================================================= */
.footer {
  padding: 70px 0 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 50px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 280px;
}

.footer-tagline {
  margin-top: 14px;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-1);
}

.footer-socials {
  display: flex;
  gap: 14px;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-copyright {
  font-size: 0.85rem;
}


/* =========================================================
   15. BACK TO TOP BUTTON
   ========================================================= */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1.05rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-6px) scale(1.06);
}


/* =========================================================
   16. SCROLL ANIMATIONS
   ========================================================= */
.fade-up,
.fade-left,
.fade-right {
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up {
  transform: translateY(40px);
}

.fade-left {
  transform: translateX(-50px);
}

.fade-right {
  transform: translateX(50px);
}

.fade-up.visible,
.fade-left.visible,
.fade-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}


/* =========================================================
   17. SCROLLBAR
   ========================================================= */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-1);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-2);
}


/* =========================================================
   18. RESPONSIVE MEDIA QUERIES
   ========================================================= */

/* ---- Tablet (≤ 1024px) ---- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-container {
    gap: 30px;
  }

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

  .contact-form {
    order: -1;
  }
}

/* ---- Small Tablet / Large Mobile (≤ 900px) ---- */
@media (max-width: 900px) {
  section {
    padding: 90px 0;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav-links.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 1.3rem;
  }

  .hamburger {
    display: flex;
  }

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

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons,
  .hero-socials {
    justify-content: center;
  }

  .hero-image-wrapper {
    order: -1;
    margin-bottom: 20px;
  }

  .hero-badge-1,
  .hero-badge-2 {
    display: none;
  }

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

  .about-image-wrapper {
    max-width: 340px;
    margin: 0 auto;
  }

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

/* ---- Mobile (≤ 600px) ---- */
@media (max-width: 600px) {
  .container {
    padding: 0 20px;
  }

  section {
    padding: 70px 0;
  }

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

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

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

  .info-cards {
    grid-template-columns: 1fr;
  }

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

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

  .footer-top {
    flex-direction: column;
    gap: 30px;
  }

  .contact-form {
    padding: 26px;
  }

  .back-to-top {
    width: 44px;
    height: 44px;
    bottom: 20px;
    right: 20px;
  }
}

/* ---- Small Mobile (≤ 380px) ---- */
@media (max-width: 380px) {
  .hero-heading {
    font-size: 2.2rem;
  }

  .about-experience-badge {
    padding: 14px 18px;
  }

  .badge-number {
    font-size: 1.4rem;
  }
}