/* ==========================================================================
   Dhaval Tadvi - Premium Portfolio Style Guide & Stylesheet
   Design Philosophy: Apple-inspired, Minimalist, Corporate, White/Black/Gold
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #F7F9FC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EEF3F8;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;

  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-light: rgba(37, 99, 235, .08);

  --border-color: #E2E8F0;

  /* Fonts */
  --font-header: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .05);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, .10);

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Resets
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

/* ==========================================================================
   Typography System
   ========================================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-header);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 600;
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   Layout & Utility Elements
   ========================================================================== */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section-py {
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.grid {
  display: grid;
  gap: 2rem;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Section Header styling */
.section-header {
  max-width: 650px;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-subtitle {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.15rem;
  line-height: 1.5;
}

/* Button & Link UI */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.25rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
  gap: 0.75rem;
}

.btn-primary {
  background-color: var(--text-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.btn-secondary:hover {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(29, 78, 216, 0.15);
}

.btn-disabled {
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  border: 1px solid var(--border-color);
  cursor: not-allowed;
  pointer-events: none;
}

.text-link {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.text-link::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--accent);
  transform-origin: bottom right;
  transition: transform 0.25s ease-out;
}

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

.text-link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(247, 249, 252, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.header-scrolled {
  height: 70px;
  background-color: rgba(247, 249, 252, 0.95);
  box-shadow: var(--shadow-sm);
}

.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo img {
  height: 40px;
  width: auto;
  transition: var(--transition-smooth);
}

.header-scrolled .logo img {
  height: 34px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-family: var(--font-header);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent);
  transform-origin: bottom right;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.nav-link.active::after {
  background-color: var(--accent);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1100;
  border: none;
  background: none;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
  transform-origin: center;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    z-index: 1050;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav.active {
    right: 0;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ==========================================================================
   Home Hero Section
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 2rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: center;
  gap: 2rem;
  width: 100%;
  position: relative;
}

.hero-content {
  grid-column: 1 / 7;
  grid-row: 1;
  z-index: 10;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.hero-title {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  line-height: 1.15;
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.hero-image-wrapper {
  grid-column: 6 / 13;
  /* Made the image container 20% smaller (7 columns instead of 9) */
  grid-row: 1;
  z-index: 1;
  position: relative;
  left: 2rem;
  /* Adjusted left offset to balance the container */
  border-radius: 0 24px 24px 0;
  /* Left side has NO rounded corners, right side has clean rounded corners */
  overflow: hidden;
  aspect-ratio: 1.3;
  /* Taller aspect ratio to maintain vertical alignment with smaller width */
  width: 100%;
  box-shadow: 15px 15px 35px rgba(15, 23, 42, 0.04);
  /* Offset shadow so it only shows on the solid right side */
  opacity: 0;
  transform: scale(0.95);
  background-color: transparent;
}

/* Left edge smooth fade overlay - reduced width to 24% (50% smaller fade) to show more solid image */
.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 24%;
  /* Faded left 24% of the container for a tighter transition */
  height: 100%;
  background: linear-gradient(to right, var(--bg-primary) 0%, rgba(247, 249, 252, 0) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Enables cropping */
  object-position: 50% center;
  /* Shifted leftward to bring neon sign fully into view with margin */
  transition: transform 10s ease-out;
}

.hero-image-wrapper:hover img {
  transform: scale(1.02);
}

@media (max-width: 1200px) and (min-width: 901px) {
  .hero-grid {
    gap: 1.5rem;
  }

  .hero-content {
    grid-column: 1 / 7;
  }

  .hero-image-wrapper {
    grid-column: 6 / 13;
    border-radius: 0 20px 20px 0;
    left: 1.5rem;
    aspect-ratio: 1.3;
  }
}

@media (max-width: 900px) {
  .hero-section {
    background-image: none;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: auto;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1rem 0;
  }

  .hero-content {
    grid-column: auto;
    grid-row: auto;
    order: 1;
    z-index: auto;
  }

  .hero-image-wrapper {
    display: block;
    grid-column: auto;
    grid-row: auto;
    order: 2;
    z-index: auto;
    left: 0;
    max-width: 100%;
    margin: 1.5rem auto 0 auto;
    width: 100%;
    aspect-ratio: 1500 / 668;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.08);
  }

  .hero-image-wrapper::before {
    display: none;
  }

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

  .hero-buttons {
    flex-wrap: wrap;
  }
}

/* ==========================================================================
   Trusted Experience Section
   ========================================================================== */
.experience-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.experience-card {
  padding: 2.5rem 1.5rem;
  border-radius: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.experience-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.experience-val {
  font-family: var(--font-header);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.experience-lbl {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.experience-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .experience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .experience-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Project Grid Section & Portfolio UI
   ========================================================================== */
.projects-section {
  background-color: var(--bg-primary);
}

.portfolio-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

/* Project Cards */
.project-card {
  border-radius: 16px;
  overflow: hidden;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.project-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--bg-tertiary);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0) 100%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  transition: opacity 0.4s ease;
}

.project-card-meta-overlay {
  color: var(--bg-primary);
  transform: translateY(15px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card-meta-overlay h3 {
  color: var(--bg-primary);
  margin-bottom: 0.25rem;
}

.project-card-meta-overlay p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.project-card-tags-overlay {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card-tag-overlay {
  font-size: 0.75rem;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
  color: var(--bg-primary);
  padding: 0.25rem 0.65rem;
  border-radius: 12px;
  font-weight: 500;
}

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

.project-card:hover .project-card-image img {
  transform: scale(1.05);
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card:hover .project-card-meta-overlay {
  transform: translateY(0);
}

.project-card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-card-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.project-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.project-card-title a:hover {
  color: var(--accent);
}

.project-card-desc {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-card-tag {
  font-size: 0.72rem;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 8px;
}

/* ==========================================================================
   Dynamic Project Case Study Template UI
   ========================================================================== */
.case-study-hero {
  padding-top: calc(var(--header-height) + 3rem);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.case-study-meta-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  padding: 3rem 0;
}

@media (max-width: 768px) {
  .case-study-meta-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.case-meta-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.case-meta-item {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.case-meta-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

.case-meta-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Gallery and Media Sections */
.case-gallery-section {
  padding: 5rem 0;
}

.case-gallery-group {
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4rem;
}

.case-gallery-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.group-title {
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
  margin-bottom: 2rem;
}

.media-grid {
  display: grid;
  gap: 2rem;
}

.media-item {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.media-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
  cursor: pointer;
}

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

.media-item:hover img {
  transform: scale(1.02);
}

.media-caption {
  padding: 1rem;
  background-color: var(--bg-secondary);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  font-weight: 500;
}

/* Video wrapper */
.video-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #000;
  width: 100%;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* PDF layout link card */
.pdf-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-radius: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  margin-top: 1rem;
  transition: var(--transition-smooth);
}

.pdf-download-card:hover {
  border-color: var(--accent);
  background-color: var(--accent-light);
  transform: translateY(-2px);
}

.pdf-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pdf-icon {
  font-size: 1.8rem;
  color: var(--accent);
}

.pdf-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.pdf-size {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   About Page Layout
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.about-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  aspect-ratio: 4 / 5;
}

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

.about-bio {
  font-size: 1.08rem;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.about-bio strong {
  color: var(--accent);
}

.about-details {
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.about-philosophy {
  font-style: italic;
  font-family: var(--font-header);
  font-size: 1.15rem;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin: 2rem 0;
}

/* Skills & Tools Grid */
.skills-title {
  margin: 3.5rem 0 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.skill-card {
  padding: 1.5rem;
  border-radius: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background-color: var(--bg-secondary);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}

.skill-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-icon img,
.skill-icon svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.skill-icon svg path,
.skill-icon svg polygon {
  fill: var(--accent);
  transition: fill 0.25s ease;
}

.skill-card:hover .skill-icon svg path,
.skill-card:hover .skill-icon svg polygon {
  fill: var(--accent-hover);
}

.skill-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

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

.value-card {
  padding: 2.5rem 2rem;
  border-radius: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

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

.value-card-icon {
  width: 54px;
  height: 54px;
  margin-bottom: 1.5rem;
}

.value-card-title {
  margin-bottom: 0.75rem;
}

.value-card-desc {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ==========================================================================
   Services Page Layout
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  padding: 3rem 2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.3);
}

.service-card:hover::before {
  transform: scaleY(1);
  transform-origin: top;
}

.service-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 2rem;
  color: var(--accent);
}

.service-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-title {
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.service-desc {
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-list {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.service-item {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-item::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
}

/* ==========================================================================
   Personal Works Grid
   ========================================================================== */
.personal-grid-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-gap: 1.5rem;
}

.personal-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.personal-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  cursor: pointer;
  aspect-ratio: 1 / 1;
}

.personal-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.personal-card:hover .personal-card-img {
  transform: scale(1.05);
}

.personal-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
  padding: 1.5rem;
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.personal-card:hover .personal-card-info {
  opacity: 1;
}

.personal-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.25rem;
}

.personal-card-tag {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.personal-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.personal-tools-title {
  color: var(--accent);
  font-weight: 600;
  margin-right: 0.25rem;
}

.personal-tool-tag {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-weight: 500;
  font-size: 0.8rem;
}

.video-card-trigger {
  cursor: pointer;
}

.personal-card-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: #000;
}

.personal-card-video-wrapper video,
.personal-card-video-wrapper img.card-video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.personal-card:hover .personal-card-video-wrapper video,
.personal-card:hover .personal-card-video-wrapper img.card-video-thumb {
  transform: scale(1.05);
}

.play-btn-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background-color: rgba(37, 99, 235, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition-smooth);
  pointer-events: none;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
  z-index: 2;
}

.personal-card:hover .play-btn-overlay {
  transform: translate(-50%, -50%) scale(1.1);
  background-color: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.6);
}


.wedding-films-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  grid-gap: 1.5rem;
  margin-bottom: 5rem;
}

.wedding-landscapes-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .wedding-films-layout {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (max-width: 768px) {
  .wedding-films-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Resume Page & Download
   ========================================================================== */
.resume-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.resume-paper {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 16px;
  padding: clamp(2rem, 5vw, 4.5rem);
  max-width: 850px;
  margin: 0 auto;
}

.resume-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
  align-items: flex-end;
}

@media (max-width: 576px) {
  .resume-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

.resume-name {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.resume-title {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.resume-contact-info {
  text-align: right;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

@media (max-width: 576px) {
  .resume-contact-info {
    text-align: left;
  }
}

.resume-contact-info a:hover {
  color: var(--accent);
}

.resume-section {
  margin-bottom: 3rem;
}

.resume-section:last-child {
  margin-bottom: 0;
}

.resume-section-title {
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.resume-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.resume-timeline-item {
  position: relative;
  padding-left: 2rem;
  border-left: 1.5px solid var(--border-color);
}

.resume-timeline-item::before {
  content: '';
  position: absolute;
  left: -5.5px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 2px solid var(--bg-primary);
}

.resume-time {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
  display: block;
}

.resume-job {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.resume-company {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.resume-job-desc {
  font-size: 0.9rem;
}

.resume-job-desc li {
  margin-left: 1.2rem;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.resume-skills-block {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.resume-skill-tag {
  font-size: 0.85rem;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

/* PDF Embed UI */
.pdf-viewer-container {
  max-width: 850px;
  margin: 3rem auto 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
}

.pdf-viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.pdf-viewer-title {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ==========================================================================
   Contact Page Layout & Form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: var(--accent-light);
  color: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-lbl {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-weight: 700;
  margin-bottom: 0.25rem;
  display: block;
}

.contact-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-val a:hover {
  color: var(--accent);
}

/* Premium Form Elements */
.contact-form {
  background-color: var(--bg-secondary);
  padding: 3rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 576px) {
  .contact-form {
    padding: 2rem 1.5rem;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

/* Success modal styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--bg-primary);
  padding: 3rem;
  border-radius: 16px;
  max-width: 450px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-icon {
  width: 64px;
  height: 64px;
  background-color: var(--accent-light);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.5rem auto;
}

.modal-title {
  margin-bottom: 0.75rem;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ==========================================================================
   Interactive Lightbox UI
   ========================================================================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 90%;
  max-height: 80vh;
  box-shadow: var(--shadow-lg);
  border-radius: 8px;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-img {
  width: auto;
  max-width: 100%;
  max-height: 80vh;
  display: block;
  object-fit: contain;
}

.lightbox-caption {
  color: #fff;
  margin-top: 1.5rem;
  font-family: var(--font-header);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: center;
  max-width: 600px;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: #fff;
  font-size: 2.2rem;
  cursor: pointer;
  transition: var(--transition-fast);
  background: none;
  border: none;
}

.lightbox-close:hover {
  color: var(--accent);
  transform: scale(1.1);
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 0 3rem 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }
}

.footer-logo img {
  height: 38px;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

@media (max-width: 576px) {
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
  }
}

.footer-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

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

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column-reverse;
    gap: 1.5rem;
  }
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.back-to-top {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.back-to-top:hover {
  color: var(--accent);
}

/* ==========================================================================
   Scroll Animations & Motion
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger reveals */
.delay-100 {
  transition-delay: 0.1s;
}

.delay-200 {
  transition-delay: 0.2s;
}

.delay-300 {
  transition-delay: 0.3s;
}

.delay-400 {
  transition-delay: 0.4s;
}

.delay-500 {
  transition-delay: 0.5s;
}