/*
Theme Name: EnzaForge
Theme URI: https://fernandoenzagaray.ar
Author: Fernando Enzagaray
Author URI: https://fernandoenzagaray.ar
Description: Ultra-premium personal portfolio theme for Fernando Enzagaray — Frontend Developer with 18+ years of experience. Built with GSAP 3, ScrollTrigger, Lenis smooth scroll, SplitType, Tailwind CSS, Vanilla-Tilt.js, and tsparticles. Designed to showcase world-class frontend craftsmanship.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: enzaforge
Tags: portfolio, one-page, dark-mode, custom-logo, featured-images, threaded-comments, translation-ready
*/

/* ============================================================
   ENZAFORGE — DESIGN SYSTEM & BASE STYLES
   ============================================================
   This file contains the core design tokens, base resets,
   component styles, and layout definitions.
   Tailwind CSS (Play CDN) handles utilities in the templates.
   ============================================================ */

/* -----------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ----------------------------------------------------------- */
:root {
  /* === Color Palette — Dark Mode (Default) === */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a2e;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-bg-card-hover: rgba(255, 255, 255, 0.06);
  --color-bg-glass: rgba(255, 255, 255, 0.04);
  --color-bg-glass-border: rgba(255, 255, 255, 0.08);

  --color-text-primary: #f0f0f5;
  --color-text-secondary: #a0a0b8;
  --color-text-tertiary: #6b6b82;
  --color-text-muted: #4a4a60;

  --color-accent-primary: #6c63ff;
  --color-accent-secondary: #00d4aa;
  --color-accent-tertiary: #ff6b9d;
  --color-accent-glow: rgba(108, 99, 255, 0.3);

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-border-active: rgba(108, 99, 255, 0.4);

  /* === Gradients === */
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0f0f1a 100%);
  --gradient-accent: linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);
  --gradient-accent-reverse: linear-gradient(135deg, #00d4aa 0%, #6c63ff 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  --gradient-text: linear-gradient(135deg, #6c63ff 0%, #00d4aa 50%, #ff6b9d 100%);
  --gradient-overlay: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.85) 100%);

  /* === Typography === */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
  --text-xl: clamp(1.2rem, 1rem + 1vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 3vw, 4rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 5.5rem);
  --text-6xl: clamp(4rem, 3rem + 6vw, 8rem);

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  --tracking-tight: -0.03em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.2em;

  /* === Spacing === */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;
  --space-section: clamp(5rem, 4rem + 6vw, 10rem);

  /* === Borders & Radius === */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* === Shadows === */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.15);
  --shadow-glow-lg: 0 0 80px rgba(108, 99, 255, 0.2);

  /* === Transitions === */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.2s var(--ease-out-quart);
  --transition-base: 0.4s var(--ease-out-expo);
  --transition-slow: 0.6s var(--ease-out-expo);
  --transition-slower: 0.8s var(--ease-out-expo);

  /* === Z-Index Scale === */
  --z-behind: -1;
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-cursor: 600;

  /* === Layout === */
  --container-max: 1400px;
  --container-narrow: 900px;
  --navbar-height: 80px;
  --navbar-height-scrolled: 60px;
}

/* === Light Mode Overrides === */
[data-theme="light"] {
  --color-bg-primary: #fafafa;
  --color-bg-secondary: #f0f0f5;
  --color-bg-tertiary: #e8e8f0;
  --color-bg-card: rgba(0, 0, 0, 0.02);
  --color-bg-card-hover: rgba(0, 0, 0, 0.04);
  --color-bg-glass: rgba(255, 255, 255, 0.7);
  --color-bg-glass-border: rgba(0, 0, 0, 0.08);

  --color-text-primary: #1a1a2e;
  --color-text-secondary: #4a4a60;
  --color-text-tertiary: #6b6b82;
  --color-text-muted: #9a9ab0;

  --color-accent-primary: #5a52e0;
  --color-accent-secondary: #00b894;
  --color-accent-glow: rgba(90, 82, 224, 0.15);

  --color-border: rgba(0, 0, 0, 0.06);
  --color-border-hover: rgba(0, 0, 0, 0.12);
  --color-border-active: rgba(90, 82, 224, 0.4);

  --gradient-hero: linear-gradient(135deg, #fafafa 0%, #f0f0f5 50%, #fafafa 100%);
  --gradient-card: linear-gradient(145deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0.005) 100%);
  --gradient-overlay: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.7) 100%);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(90, 82, 224, 0.1);
}


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

html {
  font-size: 16px;
  scroll-behavior: auto; /* Lenis handles smooth scroll */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Custom Selection */
::selection {
  background: var(--color-accent-primary);
  color: #fff;
}

::-moz-selection {
  background: var(--color-accent-primary);
  color: #fff;
}

/* Links */
a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-secondary);
}

a:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* Lists */
ul, ol {
  list-style: none;
}

/* Buttons Reset */
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

/* Scrollbar — Dark elegant */
::-webkit-scrollbar {
  width: 6px;
}

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

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

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


/* -----------------------------------------------------------
   3. LAYOUT & CONTAINER
   ----------------------------------------------------------- */
.ef-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 3rem);
}

.ef-container--narrow {
  max-width: var(--container-narrow);
}

.ef-section {
  position: relative;
  padding: var(--space-section) 0;
  overflow: hidden;
}

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


/* -----------------------------------------------------------
   4. SECTION HEADINGS
   ----------------------------------------------------------- */
.ef-section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.ef-section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-sm);
  padding: 0.3em 1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-glass);
}

.ef-section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.ef-section-title .accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ef-section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}


/* -----------------------------------------------------------
   5. PRELOADER
   ----------------------------------------------------------- */
.ef-preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--color-bg-primary);
}

.ef-preloader__logo {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
}

.ef-preloader__bar {
  width: 200px;
  height: 2px;
  background: var(--color-border);
  margin-top: var(--space-lg);
  border-radius: var(--radius-full);
  overflow: hidden;
  opacity: 0;
}

.ef-preloader__bar-fill {
  width: 0%;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}


/* -----------------------------------------------------------
   6. NAVBAR
   ----------------------------------------------------------- */
.ef-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
}

.ef-navbar.is-scrolled {
  height: var(--navbar-height-scrolled);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="light"] .ef-navbar.is-scrolled {
  background: rgba(250, 250, 250, 0.85);
}

.ef-navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 3rem);
}

.ef-navbar__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.ef-navbar__logo span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ef-navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.ef-navbar__link {
  position: relative;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: color var(--transition-fast);
  padding: 0.25em 0;
}

.ef-navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.ef-navbar__link:hover,
.ef-navbar__link.is-active {
  color: var(--color-text-primary);
}

.ef-navbar__link:hover::after,
.ef-navbar__link.is-active::after {
  width: 100%;
}

/* Theme Toggle */
.ef-theme-toggle {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ef-theme-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--gradient-accent);
  border-radius: 50%;
  transition: transform var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ef-theme-toggle__thumb svg {
  width: 12px;
  height: 12px;
  fill: #fff;
}

[data-theme="light"] .ef-theme-toggle__thumb {
  transform: translateX(22px);
}

/* Hamburger */
.ef-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  cursor: pointer;
  z-index: calc(var(--z-overlay) + 1);
}

.ef-hamburger__line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.ef-hamburger.is-active .ef-hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.ef-hamburger.is-active .ef-hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.ef-hamburger.is-active .ef-hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.ef-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.ef-mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.ef-mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  opacity: 0;
  transform: translateY(30px);
}

.ef-mobile-menu__link:hover {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* -----------------------------------------------------------
   7. HERO SECTION
   ----------------------------------------------------------- */
.ef-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.ef-hero__particles {
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
}

.ef-hero__gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  pointer-events: none;
}

.ef-hero__gradient-orb--1 {
  width: 600px;
  height: 600px;
  background: var(--color-accent-primary);
  top: -100px;
  right: -150px;
  opacity: 0.15;
}

.ef-hero__gradient-orb--2 {
  width: 500px;
  height: 500px;
  background: var(--color-accent-secondary);
  bottom: -100px;
  left: -100px;
  opacity: 0.1;
}

.ef-hero__gradient-orb--3 {
  width: 300px;
  height: 300px;
  background: var(--color-accent-tertiary);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.08;
}

.ef-hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 var(--space-lg);
}

.ef-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-lg);
  padding: 0.5em 1.25em;
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: var(--radius-full);
  background: rgba(0, 212, 170, 0.05);
}

.ef-hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent-secondary);
  border-radius: 50%;
  animation: ef-pulse 2s infinite;
}

@keyframes ef-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.ef-hero__name {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 900;
  line-height: 0.95;
  margin-bottom: var(--space-md);
  letter-spacing: -0.04em;
}

.ef-hero__name .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(80px) rotateX(-90deg);
}

.ef-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  letter-spacing: var(--tracking-wide);
}

.ef-hero__title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
}

.ef-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-tertiary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: var(--leading-relaxed);
  opacity: 0;
}

.ef-hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
}

.ef-hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
}

.ef-hero__scroll-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  writing-mode: vertical-rl;
}

.ef-hero__scroll-line {
  width: 1px;
  height: 60px;
  background: var(--gradient-accent);
  animation: ef-scroll-line 2s infinite;
}

@keyframes ef-scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}


/* -----------------------------------------------------------
   8. BUTTONS
   ----------------------------------------------------------- */
.ef-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85em 2em;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  position: relative;
  overflow: hidden;
}

.ef-btn--primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-md), 0 0 30px rgba(108, 99, 255, 0.2);
}

.ef-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 50px rgba(108, 99, 255, 0.3);
  color: #fff;
}

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

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

.ef-btn__icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.ef-btn:hover .ef-btn__icon {
  transform: translateX(3px);
}

/* Magnetic Button Wrapper */
.ef-magnetic {
  display: inline-block;
}


/* -----------------------------------------------------------
   9. ABOUT SECTION
   ----------------------------------------------------------- */
.ef-about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: center;
}

.ef-about__image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.ef-about__image-frame {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-border);
  box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

.ef-about__image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ef-about__image-decoration {
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  border: 1px dashed var(--color-border);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ef-rotate 30s linear infinite;
}

.ef-about__image-decoration::before {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 15px var(--color-accent-primary);
}

@keyframes ef-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.ef-about__content {
  padding-right: var(--space-lg);
}

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

.ef-about__text strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

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

.ef-about__stat {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.ef-about__stat:hover {
  border-color: var(--color-accent-primary);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.ef-about__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.25em;
}

.ef-about__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}


/* -----------------------------------------------------------
   10. SKILLS SECTION
   ----------------------------------------------------------- */
.ef-skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.ef-skill-card {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  transform-style: preserve-3d;
  will-change: transform;
}

.ef-skill-card:hover {
  border-color: var(--color-border-active);
  background: var(--color-bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.ef-skill-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.ef-skill-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.ef-skill-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ef-skill-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary);
  padding: 0.3em 0.8em;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.ef-skill-card__tag:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}


/* -----------------------------------------------------------
   11. EXPERIENCE SECTION
   ----------------------------------------------------------- */
.ef-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: var(--space-xl);
}

.ef-timeline__line {
  position: absolute;
  top: 0;
  left: 20px;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.ef-timeline__line-fill {
  width: 100%;
  height: 0%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: none;
}

.ef-timeline__item {
  position: relative;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateX(-30px);
}

.ef-timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-xl) + 12px);
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 3px solid var(--color-accent-primary);
  z-index: 1;
  transition: all var(--transition-base);
}

.ef-timeline__item:hover .ef-timeline__dot {
  background: var(--color-accent-primary);
  box-shadow: 0 0 20px var(--color-accent-glow);
  transform: scale(1.3);
}

.ef-timeline__content {
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.ef-timeline__item:hover .ef-timeline__content {
  border-color: var(--color-border-active);
  box-shadow: var(--shadow-glow);
}

.ef-timeline__period {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: 0.5em;
}

.ef-timeline__role {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 0.25em;
}

.ef-timeline__company {
  font-size: var(--text-base);
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-sm);
}

.ef-timeline__location {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

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

.ef-timeline__description li {
  position: relative;
  padding-left: 1.2em;
  margin-bottom: 0.5em;
}

.ef-timeline__description li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent-primary);
}


/* -----------------------------------------------------------
   12. PORTFOLIO SECTION
   ----------------------------------------------------------- */
.ef-portfolio__filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.ef-portfolio__filter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 0.5em 1.5em;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: transparent;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.ef-portfolio__filter:hover,
.ef-portfolio__filter.is-active {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: #fff;
}

.ef-portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.ef-project-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.ef-project-card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.ef-project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.ef-project-card:hover .ef-project-card__image img {
  transform: scale(1.08);
}

.ef-project-card__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
}

.ef-project-card:hover .ef-project-card__overlay {
  opacity: 1;
}

.ef-project-card__overlay-text {
  color: #fff;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

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

.ef-project-card__info {
  padding: var(--space-md) var(--space-lg);
}

.ef-project-card__category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: 0.4em;
}

.ef-project-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 0.25em;
}

.ef-project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.ef-project-card__year {
  font-family: var(--font-mono);
}


/* -----------------------------------------------------------
   13. PROJECT MODAL
   ----------------------------------------------------------- */
.ef-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.ef-modal.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.ef-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.ef-modal__container {
  position: relative;
  width: 90%;
  max-width: 1000px;
  max-height: 90vh;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow-y: auto;
  transform: scale(0.9) translateY(30px);
  transition: transform var(--transition-slow);
}

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

.ef-modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
  z-index: 2;
}

.ef-modal__close:hover {
  background: var(--color-accent-primary);
  color: #fff;
  border-color: var(--color-accent-primary);
}

.ef-modal__hero-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

.ef-modal__body {
  padding: var(--space-xl);
}

.ef-modal__category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-sm);
}

.ef-modal__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.ef-modal__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-xl);
}

.ef-modal__tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-xl);
}

.ef-modal__tech-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 0.3em 0.8em;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-accent-secondary);
}

.ef-modal__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}


/* -----------------------------------------------------------
   14. CONTACT SECTION
   ----------------------------------------------------------- */
.ef-contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.ef-contact__info {
  padding-right: var(--space-xl);
}

.ef-contact__info-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

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

.ef-contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.ef-contact__detail-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.ef-contact__detail-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: 0.2em;
}

.ef-contact__detail-value {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Contact Form */
.ef-contact-form {
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.ef-form-group {
  margin-bottom: var(--space-md);
  position: relative;
}

.ef-form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: 0.5em;
}

.ef-form-group input,
.ef-form-group textarea {
  width: 100%;
  padding: 0.85em 1em;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  outline: none;
}

.ef-form-group input:focus,
.ef-form-group textarea:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

.ef-form-group input::placeholder,
.ef-form-group textarea::placeholder {
  color: var(--color-text-muted);
}


/* -----------------------------------------------------------
   15. FOOTER
   ----------------------------------------------------------- */
.ef-footer {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-lg);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.ef-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-xl);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.ef-footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
}

.ef-footer__logo span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.ef-footer__social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.ef-footer__social-link:hover {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.ef-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.ef-footer__crafted {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.ef-footer__crafted span {
  color: var(--color-accent-tertiary);
}

.ef-footer__back-to-top {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #fff;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-md);
}

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

.ef-footer__back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-lg);
  color: #fff;
}


/* -----------------------------------------------------------
   16. ANIMATIONS & UTILITIES
   ----------------------------------------------------------- */
/* Reveal animation classes (used by GSAP) */
.ef-reveal {
  opacity: 0;
  transform: translateY(40px);
}

.ef-reveal-left {
  opacity: 0;
  transform: translateX(-60px);
}

.ef-reveal-right {
  opacity: 0;
  transform: translateX(60px);
}

.ef-reveal-scale {
  opacity: 0;
  transform: scale(0.9);
}

/* Gradient text utility */
.ef-gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glass effect utility */
.ef-glass {
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--color-bg-glass-border);
}

/* Invisible but accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* No scroll */
.no-scroll {
  overflow: hidden !important;
}


/* -----------------------------------------------------------
   17. RESPONSIVE BREAKPOINTS
   ----------------------------------------------------------- */

/* Tablet & Below (< 1024px) */
@media (max-width: 1024px) {
  .ef-navbar__nav {
    display: none;
  }

  .ef-hamburger {
    display: flex;
  }

  .ef-about__grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }

  .ef-about__content {
    padding-right: 0;
  }

  .ef-about__image-frame {
    width: 260px;
    height: 260px;
  }

  .ef-about__image-decoration {
    width: 290px;
    height: 290px;
  }

  .ef-contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .ef-contact__info {
    padding-right: 0;
    text-align: center;
  }

  .ef-footer__top {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .ef-footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  .ef-hero__name {
    font-size: var(--text-4xl);
  }

  .ef-hero__cta {
    flex-direction: column;
  }

  .ef-portfolio__grid {
    grid-template-columns: 1fr;
  }

  .ef-skills__grid {
    grid-template-columns: 1fr;
  }

  .ef-about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .ef-about__stat-value {
    font-size: var(--text-2xl);
  }

  .ef-timeline {
    padding-left: var(--space-lg);
  }

  .ef-timeline__line {
    left: 12px;
  }

  .ef-timeline__dot {
    left: calc(-1 * var(--space-lg) + 4px);
    width: 14px;
    height: 14px;
  }

  .ef-modal__container {
    width: 95%;
    max-height: 95vh;
  }

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

  .ef-contact-form {
    padding: var(--space-lg);
  }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
  .ef-hero__badge {
    font-size: 0.65rem;
  }

  .ef-about__stats {
    grid-template-columns: 1fr;
  }

  .ef-about__image-frame {
    width: 200px;
    height: 200px;
  }

  .ef-about__image-decoration {
    width: 230px;
    height: 230px;
  }

  .ef-section-title {
    font-size: var(--text-3xl);
  }

  .ef-portfolio__filters {
    gap: 0.4rem;
  }

  .ef-portfolio__filter {
    font-size: 0.65rem;
    padding: 0.4em 1em;
  }
}