/* --- Global Styles & Variables --- */
:root {
    /* --- DEFAULT DARK THEME --- */
    --dark-bg-solid: #16181D;
    --medium-dark-bg-solid: #1F232B;
    --card-bg-solid: #252A34;
    --light-text-solid: #F0F2F5;
    --medium-gray-text-solid: #A8ACB3;
    --white-solid: #FFFFFF;
    --dark-bg-gradient-val: linear-gradient(180deg, #1A1D24 0%, #13151A 100%);
    --accent-blue-val: #23a3a1;
    --accent-blue-darker-val: #0f7573;
    --neon-blue-glow-val: rgba(37, 226, 236, 0.55);
    --accent-teal-val: #50E3C2;
    --neon-teal-glow-val: rgba(80, 227, 194, 0.4);
    --button-base-bg-val: #353A45;
    --button-base-border-val: #4A505C;
    --input-bg-val: var(--medium-dark-bg-solid);
    --input-border-val: var(--button-base-border-val);
    --input-focus-border-val: var(--accent-blue-val);
    --input-focus-glow-val: rgba(37, 226, 236, 0.25);
    --font-heading: 'Raleway', sans-serif;
    --font-body: 'Lato', sans-serif;
    --base-font-size: 16px;
    --line-height: 1.7;
    --container-width: 2000px;
    --spacing-unit: 1rem;
    --border-radius: 8px;
    --border-radius-pill: 50px;
    --transition-speed: 0.25s;
    --transition-ease: ease-out;
    --card-shadow-base: 0 6px 15px -3px rgba(0, 0, 0, 0.3);
    --card-hover-shadow-base: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
    --button-shadow-base: 0 3px 6px rgba(0,0,0,0.2);
    --header-height: 80px;

    /* --- THEMEABLE VARIABLES (Dark by default) --- */
    --bg-color: var(--dark-bg-gradient-val);
    --bg-color-solid: var(--dark-bg-solid);
    --text-color: var(--light-text-solid);
    --text-muted-color: var(--medium-gray-text-solid);
    --card-background: var(--card-bg-solid);
    --card-border-color: rgba(37, 226, 236, 0.12);
    --card-shadow: var(--card-shadow-base);
    --card-hover-shadow: var(--card-hover-shadow-base);
    --button-shadow: var(--button-shadow-base);
    --accent-primary: var(--accent-blue-val);
    --accent-primary-darker: var(--accent-blue-darker-val);
    --accent-primary-glow: var(--neon-blue-glow-val);
    --accent-secondary: var(--accent-teal-val);
    --accent-secondary-glow: var(--neon-teal-glow-val);
    --button-primary-bg: var(--accent-primary);
    --button-primary-text: var(--white-solid);
    --button-primary-hover-bg: var(--accent-primary-darker);
    --button-primary-glow-effect: var(--accent-primary-glow);
    --button-base-bg: var(--button-base-bg-val);
    --button-base-text: var(--light-text-solid);
    --button-base-border: var(--button-base-border-val);
    --input-background: var(--input-bg-val);
    --input-border-color: var(--input-border-val);
    --input-focus-border-color: var(--input-focus-border-val);
    --input-focus-glow-effect: var(--input-focus-glow-val);
    --link-color: var(--accent-primary);
    --link-hover-color: var(--accent-secondary);
    --header-bg: rgba(22, 24, 29, 0.88);
    --header-border: rgba(37, 226, 236, 0.1);
    --header-text-color: var(--light-text-solid);
    --footer-bg: #111317;
    --footer-text-color: var(--medium-gray-text-solid);
    --footer-border-color: rgba(37, 226, 236, 0.1);
    --hero-overlay-bg: rgba(22, 24, 29, 0.8);
    --noise-filter-opacity: 0.03;
    --divider-gradient: linear-gradient(to right, transparent, rgba(37, 226, 236, 0.2), transparent);
}

[data-theme="light"] {
    /* --- LIGHT THEME OVERRIDES --- */
    --bg-color: #F4F6F8;
    --bg-color-solid: #F4F6F8;
    --text-color: #212529;
    --text-muted-color: #6C757D;
    --card-background: #FFFFFF;
    --card-border-color: #E9ECEF;
    --card-shadow: 0 4px 15px rgba(0,0,0,0.05);
    --card-hover-shadow: 0 6px 20px rgba(0,0,0,0.08);
    --button-shadow: 0 2px 5px rgba(0,0,0,0.1);
    --accent-primary-glow: rgba(35, 163, 161, 0.2);
    --accent-secondary-glow: rgba(80, 227, 194, 0.15);
    --button-primary-glow-effect: var(--accent-primary-glow);
    --button-base-bg: #E9ECEF;
    --button-base-text: var(--text-color);
    --button-base-border: #CED4DA;
    --input-background: #FFFFFF;
    --input-border-color: #CED4DA;
    --input-focus-border-color: var(--accent-primary);
    --input-focus-glow-effect: var(--accent-primary-glow);
    --link-hover-color: var(--accent-primary-darker);
    --header-bg: rgba(255, 255, 255, 0.92);
    --header-border: rgba(0, 0, 0, 0.08);
    --header-text-color: var(--text-color);
    --footer-bg: #E9ECEF;
    --footer-text-color: var(--text-muted-color);
    --footer-border-color: rgba(0,0,0,0.08);
    --hero-overlay-bg: rgba(244, 246, 248, 0.7);
    --noise-filter-opacity: 0.04;
    --divider-gradient: linear-gradient(to right, transparent, rgba(0,0,0, 0.08), transparent);
}
/* style.css (add this rule anywhere) */
html.lenis {
  scroll-behavior: auto;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: var(--base-font-size); }
body { font-family: var(--font-body); color: var(--text-color); line-height: var(--line-height); background: var(--bg-color); overflow-x: hidden; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; transition: background-color 0.8s ease, color 0.3s ease; }
body::before { content: ""; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.75" numOctaves="3" stitchTiles="stitch"/></filter><rect width="100" height="100" filter="url(%23n)" opacity="1"/></svg>'); opacity: var(--noise-filter-opacity); pointer-events: none; z-index: -1; transition: opacity 0.3s ease; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.3; margin-bottom: calc(var(--spacing-unit) * 1.2); color: var(--text-color); }
h1 { font-size: 3rem; } h2 { font-size: 2.4rem; } h3 { font-size: 1.6rem; } h4 { font-size: 1.2rem; }
p { margin-bottom: var(--spacing-unit); }
a { color: var(--link-color); text-decoration: none; transition: color var(--transition-speed) var(--transition-ease); }
a:hover, a:focus { color: var(--link-hover-color); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; } ul li, ol li { margin-bottom: 0.6rem; }
hr.section-divider { border: 0; height: 1px; background: var(--divider-gradient); margin: calc(var(--spacing-unit) * 4) auto; max-width: 70%; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 calc(var(--spacing-unit) * 1.5); }
.section-padding { padding: calc(var(--spacing-unit) * 5) 0; } .section-padding--lg { padding: calc(var(--spacing-unit) * 7) 0; }
.bg-light { background-color: var(--card-background); } [data-theme="dark"] .bg-light { background-color: var(--medium-dark-bg-solid); }
.bg-dark { background-color: var(--bg-color-solid); } [data-theme="dark"] .bg-dark { background-color: var(--dark-bg-solid); }
.text-center { text-align: center; }
.lead { font-size: 1.25rem; font-weight: 400; color: var(--text-muted-color); margin-bottom: calc(var(--spacing-unit) * 1.8); font-family: var(--font-heading); }
.section-intro-text { max-width: 800px; margin-left: auto; margin-right: auto; margin-bottom: 3rem; }
.tools-intro-text { max-width: 700px; margin-left: auto; margin-right: auto; }

.core-services, .why-choose, .portfolio-teaser { overflow-x: hidden; }
.site-header { background-color: var(--header-bg); padding: calc(var(--spacing-unit)*1.1) 0; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--header-border); backdrop-filter: blur(10px); height: var(--header-height); display: flex; align-items: center; transition: background-color 0.3s ease, border-bottom-color 0.3s ease; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo a { text-decoration: none; } .header-logo-img { max-height: 65px; display: block; } 
.main-nav ul { display: flex; gap: calc(var(--spacing-unit) * 2); }
.main-nav a { color: var(--header-text-color); font-weight: 600; font-family: var(--font-heading); padding: 0.5rem 0; position: relative; text-decoration: none; white-space: nowrap; transition: color var(--transition-speed) var(--transition-ease); }
.main-nav a::after { content: ''; position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background-color: var(--accent-primary); transition: width var(--transition-speed) var(--transition-ease); }
.main-nav a:hover, .main-nav a.active { color: var(--accent-primary); } .main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.nav-toggle { display: none; color: var(--header-text-color); background: none; border: none; font-size: 1.6rem; cursor: pointer; padding: 0.5rem; }
.theme-toggle-button { background: none; border: 1px solid var(--header-text-color); color: var(--header-text-color); padding: 0.3rem 0.6rem; border-radius: var(--border-radius); cursor: pointer; font-size: 0.9rem; margin-left: 1rem; transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease; line-height: 1; }
.theme-toggle-button:hover { background-color: var(--accent-primary); color: var(--button-primary-text); border-color: var(--accent-primary); }
.theme-toggle-button .fa-sun { display: none; } .theme-toggle-button .fa-moon { display: inline-block; }
[data-theme="light"] .theme-toggle-button .fa-sun { display: inline-block; } [data-theme="light"] .theme-toggle-button .fa-moon { display: none; }

.btn { display: inline-block; padding: calc(var(--spacing-unit)*0.9) calc(var(--spacing-unit)*2.2); font-size: 0.95rem; font-family: var(--font-heading); font-weight: 600; text-align: center; text-decoration: none; border: 1px solid var(--button-base-border); border-radius: var(--border-radius); cursor: pointer; transition-property: background-color, border-color, color, transform, box-shadow; transition-duration: var(--transition-speed); transition-timing-function: var(--transition-ease); transition-delay: 0s; margin: 0.5rem; position: relative; overflow: hidden; background-color: var(--button-base-bg); color: var(--button-base-text); box-shadow: var(--button-shadow); will-change: transform, background-color, box-shadow, border-color; }
.btn i { margin-left: 8px; }
.btn-primary { background-color: var(--button-primary-bg); color: var(--button-primary-text); border-color: var(--button-primary-bg); }
.btn:hover, .btn-primary:hover { background-color: var(--button-primary-hover-bg); color: var(--button-primary-text); border-color: var(--button-primary-hover-bg); transform: translateY(-3px) scale(1.02); box-shadow: 0 0 12px 2px var(--button-primary-glow-effect), 0 0 20px 4px color-mix(in srgb, var(--button-primary-glow-effect) 50%, transparent), 0 4px 8px rgba(0,0,0,0.3); }
[data-theme="light"] .btn:hover, [data-theme="light"] .btn-primary:hover { box-shadow: 0 2px 8px var(--button-primary-glow-effect), 0 4px 6px rgba(0,0,0,0.1); }
.btn:active, .btn-primary:active { transform: translateY(1px) scale(0.98); box-shadow: inset 0 3px 6px rgba(0,0,0,0.4); filter: brightness(0.95); }
.btn-small { padding: calc(var(--spacing-unit)*0.6) calc(var(--spacing-unit)*1.6); font-size: 0.85rem; }
.btn.btn-large { padding: calc(var(--spacing-unit)*1.1) calc(var(--spacing-unit)*2.8); font-size: 1.1rem; }

.hero-fullscreen { min-height: calc(100vh - var(--header-height)); height: calc(100vh - var(--header-height)); position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; color: var(--text-color); }
[data-theme="dark"] .hero-fullscreen { color: var(--white-solid); }
.hero-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: url('../img/hero-background.webp'); background-size: cover; background-position: center center; z-index: 1; transition: transform 0.8s ease-out; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--hero-overlay-bg); z-index: 3; transition: background-color 0.3s ease; }
.hero-portfolio-bg { background-image: url('../img/portfolio-hero-bg.webp'); background-size: cover; background-position: center center; background-repeat: no-repeat; position: relative; z-index: 0; padding-top: calc(var(--spacing-unit) * 8); padding-bottom: calc(var(--spacing-unit) * 8); }
.hero-portfolio-bg::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(22, 24, 29, 0.75); z-index: 1; }
.hero-portfolio-bg .container { position: relative; z-index: 2; }
.hero-portfolio-bg h1 { color: var(--light-text-solid); }
.hero-portfolio-bg.hero-small p.lead { color: var(--light-text-solid); opacity: 0.85; }

.hero-content { position: relative; z-index: 4; max-width: 900px; padding: 4rem 1.5rem; text-align: center; max-height: 100%; overflow-y: auto; }
.hero-title { font-size: 4rem; font-weight: 800; color: var(--text-color); margin-bottom: 1.5rem; line-height: 1.2; text-shadow: 0 2px 4px rgba(0,0,0,0.4), 0 0 10px color-mix(in srgb, var(--text-color) 20%, transparent), 0 0 30px var(--accent-primary-glow); }
[data-theme="dark"] .hero-title { color: var(--white-solid); text-shadow: 0 2px 4px rgba(0,0,0,0.6), 0 0 10px rgba(255,255,255,0.2), 0 0 30px var(--accent-primary-glow); }
.hero-title .highlight-blue { color: var(--accent-primary); text-shadow: 0 0 15px var(--accent-primary-glow); }
.hero-subtitle { font-size: 1.4rem; color: var(--text-color); opacity: 0.9; margin-bottom: 2.5rem; font-family: var(--font-heading); font-weight: 400; }
[data-theme="dark"] .hero-subtitle { color: var(--light-text-solid); }
.scroll-down-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 5; animation: bounce 2s infinite; }
.scroll-down-indicator a { color: color-mix(in srgb, var(--text-color) 70%, transparent); font-size: 1.5rem; transition: color var(--transition-speed) ease; line-height: 1; display: inline-flex; align-items: center; }
[data-theme="dark"] .scroll-down-indicator a { color: rgba(255,255,255,0.7); }
.scroll-down-indicator a:hover { color: var(--accent-primary); }
.scroll-down-indicator i.fa-computer-mouse { font-size: 2.2rem; color: var(--accent-primary); opacity: 0.8; transition: opacity var(--transition-speed) ease, color var(--transition-speed) ease; display: inline-block; }
[data-theme="dark"] .scroll-down-indicator i.fa-computer-mouse { color: var(--accent-blue-val); }
.scroll-down-indicator a:hover i.fa-computer-mouse { opacity: 1; color: var(--text-color); }
[data-theme="dark"] .scroll-down-indicator a:hover i.fa-computer-mouse { color: var(--white-solid); }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0); } 40% { transform: translate(-50%, -10px); } 60% { transform: translate(-50%, -5px); } }
body.scrolled .hero-background { transform: translateY(-15%); }
.hero-small h1 { font-size: 2.8rem; } .hero-small .lead { font-size: 1.3rem; color: var(--text-color); opacity: 0.85; }
[data-theme="dark"] .hero-small .lead { color: var(--light-text-solid); }

#intro { padding: calc(var(--spacing-unit) * 4) 0; position: relative; z-index: 5; background-color: var(--bg-color-solid); } 
#intro h2 { color: var(--text-color); } #intro .lead { color: var(--text-muted-color); }

.services-grid, .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: calc(var(--spacing-unit) * 2.5); margin-top: 3rem; }
.flip-card-grid { perspective: 1500px; }
a.service-card-link { text-decoration: none; color: inherit; display: block; transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease); border-radius: var(--border-radius); }
a.service-card-link:hover { text-decoration: none; transform: translateY(-7px); box-shadow: var(--card-hover-shadow), 0 0 22px 0px var(--accent-primary-glow); }
a.service-card-link:hover .service-card { border-color: color-mix(in srgb, var(--accent-primary) 50%, transparent); }
.flip-card-container { perspective: 1500px; display: block; min-height: 400px; width: 100%; }
.flip-card-container:hover .service-card.flip-card { transform: rotateY(180deg); box-shadow: var(--card-hover-shadow), 0 0 22px 0px var(--accent-primary-glow); border-color: color-mix(in srgb, var(--accent-primary) 50%, transparent); }
.service-card, .feature-item { background: var(--card-background); padding: calc(var(--spacing-unit) * 2.2); border-radius: var(--border-radius); border: 1px solid var(--card-border-color); box-shadow: var(--card-shadow); text-align: center; transition: border-color var(--transition-speed) var(--transition-ease), background-color 0.3s ease, box-shadow 0.3s ease; position: relative; display: flex; flex-direction: column; width: 100%; height: 100%; }
.service-card.flip-card { transform-style: preserve-3d; transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1), box-shadow var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease); cursor: pointer; overflow: visible; }
.feature-item { transform: perspective(1000px); overflow: hidden; }
.feature-item:hover { transform: perspective(1000px) translateY(-7px) rotateX(1.5deg); border-color: color-mix(in srgb, var(--accent-primary) 50%, transparent); box-shadow: var(--card-hover-shadow), 0 0 22px 0px var(--accent-primary-glow); }
.service-card > *, .feature-item > * { position: relative; z-index: 1; }
.service-icon, .feature-icon { font-size: 3rem; margin-bottom: 1.5rem; color: var(--accent-primary); transition: all var(--transition-speed) var(--transition-ease); text-shadow: 0 0 10px var(--accent-primary-glow); }
a.service-card-link:hover .service-icon, .feature-item:hover .feature-icon { color: var(--accent-secondary); text-shadow: 0 0 15px var(--accent-secondary-glow); transform: scale(1.08); }
.service-card h3, .feature-item h4 { color: var(--text-color); margin-bottom: 0.8rem; font-size: 1.6rem; }
.service-card p, .feature-item p { color: var(--text-muted-color); font-size: 0.95rem; flex-grow: 1; line-height: 1.6; }
.learn-more { font-weight: 700; display: inline-block; margin-top: 1.5rem; color: var(--accent-primary); position: relative; padding: 0.3rem 0; transition: color var(--transition-speed) var(--transition-ease); }
.learn-more::after { content: '\f061'; font-family: 'Font Awesome 6 Free'; font-weight: 900; margin-left: 0.5rem; opacity: 0; transform: translateX(-5px); transition: opacity var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease); }
a.service-card-link:hover .learn-more { color: var(--accent-secondary); }
a.service-card-link:hover .learn-more::after { opacity: 1; transform: translateX(3px); }
.card-front, .card-back { position: absolute; top: 0; left: 0; width: 100%; height: 100%; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: calc(var(--spacing-unit) * 1.8); border-radius: var(--border-radius); text-align: center; overflow-y: auto; }
.card-front { background: var(--card-background); z-index: 2; color: var(--text-color); }
.card-front h3 { color: var(--text-color); }
.card-front p { color: var(--text-muted-color); font-size: 0.95rem; }
.flip-indicator { font-size: 0.8rem; font-weight: 600; color: var(--text-muted-color); margin-top: auto; padding-top: 1rem; opacity: 0.7; transition: opacity var(--transition-speed) ease; }
.flip-indicator i { margin-right: 5px; }
.flip-card-container:hover .flip-indicator { opacity: 0; }
.card-back { background: color-mix(in srgb, var(--card-background) 90%, black); transform: rotateY(180deg); z-index: 1; color: var(--text-color); justify-content: flex-start; align-items: flex-start; text-align: left; }
[data-theme="light"] .card-back { background: color-mix(in srgb, var(--card-background) 95%, #E9ECEF); }
.card-back h3 { font-size: 1.4rem; color: var(--white-solid); margin-bottom: calc(var(--spacing-unit) * 1.2); text-align: center; width: 100%; border-bottom: 1px solid color-mix(in srgb, var(--text-color) 10%, transparent); padding-bottom: 0.8rem; }
[data-theme="light"] .card-back h3 { color: var(--text-color); }
.card-back-section { margin-bottom: calc(var(--spacing-unit) * 1.2); width: 100%; }
.card-back-section h4 { font-size: 1rem; font-weight: 700; color: var(--accent-secondary); margin-bottom: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; display: flex; align-items: center; }
.card-back-icon { margin-right: 0.6rem; font-size: 1.1em; opacity: 0.9; }
.card-back ul { list-style: none; padding-left: 0; margin-bottom: 0; }
.card-back li { font-size: 0.9rem; color: var(--text-muted-color); padding-left: 0; position: relative; margin-bottom: 0.5rem; display: flex; align-items: flex-start; }
.card-back li i:first-child { color: var(--accent-primary); margin-right: 0.7rem; font-size: 0.85em; width: 1.2em; text-align: center; margin-top: 0.15em; }
.card-back-cta-container { margin-top: auto; padding-top: 1rem; width: 100%; text-align: center; }
.card-back-cta { background-color: var(--accent-primary); color: var(--button-primary-text); border-color: var(--accent-primary); opacity: 0; transform: translateY(15px); transition: all 0.4s ease-out 0.6s; }
.card-back-cta:hover { background-color: var(--accent-primary-darker); border-color: var(--accent-primary-darker); }
.card-back > *:not(.card-back-cta-container), .card-back-section > * { opacity: 0; transform: translateY(15px); transition: opacity 0.4s ease-out, transform 0.4s ease-out; }
.flip-card-container:hover .card-back > *, .flip-card-container:hover .card-back-section > * { opacity: 1; transform: translateY(0); }
.flip-card-container:hover .card-back h3 { transition-delay: 0.3s; }
.flip-card-container:hover .card-back .card-back-section:nth-of-type(1) > * { transition-delay: 0.4s; }
.flip-card-container:hover .card-back .card-back-section:nth-of-type(2) > * { transition-delay: 0.5s; }
.flip-card-container:hover .card-back-cta { opacity: 1; transform: translateY(0); }
.card-back-scroll-indicator { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); font-size: 1.2rem; color: var(--accent-secondary); opacity: 0; transition: opacity 0.3s ease-in-out; pointer-events: none; z-index: 5; }
@keyframes bounce-subtle { 0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0); } 40% { transform: translate(-50%, -4px); } 60% { transform: translate(-50%, -2px); } }
.card-back-scroll-indicator.animate-bounce { animation: bounce-subtle 1.5s infinite; }

.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: calc(var(--spacing-unit) * 2.5); margin-top: 3rem; }
.portfolio-item { width: 100%; border-radius: var(--border-radius); overflow: hidden; position: relative; box-shadow: var(--card-shadow); transition: all var(--transition-speed) var(--transition-ease); display: block; background-color: var(--card-background); transform: perspective(1000px); }
.portfolio-item:hover { transform: perspective(1000px) translateY(-6px); box-shadow: var(--card-hover-shadow), 0 0 20px 0px var(--accent-primary-glow); }
.portfolio-item a.portfolio-link { display: block; text-decoration: none; color: inherit; }
.portfolio-slideshow { position: relative; width: 100%; height: 280px; overflow: hidden; }
.portfolio-slideshow .slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 0.5s ease-in-out; z-index: 1; }
.portfolio-slideshow .slide.active { opacity: 1; z-index: 2; }
.portfolio-slideshow img { width: 100%; height: 100%; object-fit: cover; transition: none; }
.portfolio-details-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to top, var(--bg-color-solid) 90%, color-mix(in srgb, var(--bg-color-solid) 85%, transparent)); color: var(--text-color); padding: calc(var(--spacing-unit) * 1.5); opacity: 0; transition: opacity var(--transition-speed) var(--transition-ease), background-color 0.3s ease; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; z-index: 3; }
.portfolio-item:hover .portfolio-details-overlay { opacity: 1; }
.portfolio-details-overlay h3 { color: var(--text-color); margin-bottom: 0.5rem; font-size: 1.6rem; transform: translateY(15px); opacity: 0; transition: all calc(var(--transition-speed)*1.2) ease-out 0.1s; }
[data-theme="dark"] .portfolio-details-overlay h3 { color: var(--white-solid); }
.portfolio-details-overlay p { color: var(--accent-secondary); font-size: 1rem; font-weight: 600; margin-bottom: 1.2rem; transform: translateY(15px); opacity: 0; transition: all calc(var(--transition-speed)*1.2) ease-out 0.15s; }
.portfolio-item:hover h3, .portfolio-item:hover p { transform: translateY(0); opacity: 1; }
.portfolio-filters { text-align: center; margin-bottom: 3rem; }
.portfolio-filters button { display: inline-block; padding: 0.7rem 1.6rem; font-size: 0.9rem; font-family: var(--font-heading); font-weight: 600; text-align: center; text-decoration: none; border: 1px solid var(--button-base-border); border-radius: var(--border-radius-pill); cursor: pointer; transition: all var(--transition-speed) ease; margin: 0 0.5rem; background-color: var(--button-base-bg); color: var(--button-base-text); box-shadow: var(--button-shadow); }
.portfolio-filters button i { margin-right: 8px; }
.portfolio-filters button.active, .portfolio-filters button:hover { background-color: var(--accent-primary); color: var(--button-primary-text); border-color: var(--accent-primary); box-shadow: 0 0 12px 2px var(--accent-primary-glow), 0 3px 6px color-mix(in srgb, var(--accent-primary-glow) 30%, black); transform: translateY(-2px); }
[data-theme="light"] .portfolio-filters button.active, [data-theme="light"] .portfolio-filters button:hover { box-shadow: 0 0 12px 2px var(--accent-primary-glow), 0 3px 6px rgba(0,0,0,0.1); }
.portfolio-item.hide { opacity: 0; transform: scale(0.95); pointer-events: none; transition: opacity 0.3s ease, transform 0.3s ease; }

.process-steps-alt { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 1rem; margin-top: 2rem; padding: 0; }
.process-steps-alt li { display: flex; flex-direction: column; align-items: center; text-align: center; width: 130px; padding: 1.2rem 0.5rem; background-color: var(--card-background); border-radius: var(--border-radius); border: 1px solid var(--card-border-color); transition: all var(--transition-speed) ease-in-out; box-shadow: var(--card-shadow); }
.process-steps-alt li:hover { transform: translateY(-5px); box-shadow: var(--card-hover-shadow); border-color: color-mix(in srgb, var(--accent-primary) 30%, transparent); }
.process-steps-alt i { font-size: 2.2rem; color: var(--accent-primary); margin-bottom: 1rem; width: 55px; height: 55px; line-height: 55px; border-radius: 50%; background-color: color-mix(in srgb, var(--accent-primary) 10%, transparent); transition: all var(--transition-speed) ease; }
.process-steps-alt li:hover i { background-color: var(--accent-primary); color: var(--button-primary-text); transform: scale(1.1); }
.process-steps-alt span { font-weight: 600; font-family: var(--font-heading); font-size: 0.9rem; color: var(--text-color); line-height: 1.3; }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: calc(var(--spacing-unit) * 4); }
.contact-details-list { list-style: none; margin: 2rem 0 0; padding: 0; }
.contact-details-list li { margin-bottom: 1.3rem; padding-left: 3.2rem; position: relative; font-size: 1.1rem; color: var(--text-color); }
.contact-details-list i { position: absolute; left: 0; top: 50%; transform: translateY(-50%); color: var(--accent-primary); font-size: 1.7rem; width: 2rem; text-align: center; transition: color var(--transition-speed) ease; }
.contact-details-list li:hover i { color: var(--accent-secondary); }
.response-time-note { margin-top: 2rem; font-style: italic; color: var(--text-muted-color); }
.form-group { margin-bottom: 1.8rem; }
.form-group label { display: block; margin-bottom: 0.6rem; font-weight: 600; font-family: var(--font-heading); color: var(--text-color); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 1.1rem; border: 1px solid var(--input-border-color); border-radius: var(--border-radius); font-family: var(--font-body); font-size: 1rem; background-color: var(--input-background); color: var(--text-color); transition: all var(--transition-speed) ease; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted-color); opacity: 0.7; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--input-focus-border-color); box-shadow: 0 0 0 3px var(--input-focus-glow-effect); outline: none; background-color: color-mix(in srgb, var(--input-background) 95%, black); }
[data-theme="light"] .form-group input:focus, [data-theme="light"] .form-group textarea:focus, [data-theme="light"] .form-group select:focus { background-color: color-mix(in srgb, var(--input-background) 98%, white); }
.form-group textarea { min-height: 160px; resize: vertical; }
#form-message { margin-top: 1rem; padding: 1rem; border-radius: var(--border-radius); display: none; font-weight: 600; }
#form-message.success { background-color: color-mix(in srgb, var(--accent-secondary) 10%, transparent); color: var(--accent-secondary); border: 1px solid color-mix(in srgb, var(--accent-secondary) 50%, transparent); }
#form-message.error { background-color: rgba(226, 74, 74, 0.1); color: #E24A4A; border: 1px solid rgba(226, 74, 74, 0.5);}

.site-footer { background-color: var(--footer-bg); color: var(--footer-text-color); text-align: center; padding: calc(var(--spacing-unit) * 3) 0 calc(var(--spacing-unit)*2) 0; position: relative; border-top: 1px solid var(--footer-border-color); transition: all 0.3s ease; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: calc(var(--spacing-unit)*1.5); margin-bottom: calc(var(--spacing-unit)*1.5); padding-bottom: calc(var(--spacing-unit)*1.5); border-bottom: 1px solid var(--footer-border-color); }
.footer-logo-img { max-height: 65px;}
.footer-contact-info p { margin-bottom: 0; font-size: 0.95rem; line-height: 1.6;}
.footer-contact-info i { color: var(--accent-primary); margin-right: 6px; }
.footer-links a, .footer-social a { color: var(--footer-text-color); margin: 0 0.8rem; font-size: 0.9rem; transition: color var(--transition-speed) ease;}
.footer-links a:hover, .footer-social a:hover { color: var(--accent-primary); text-decoration: none; }
.footer-social a { font-size: 1.5rem; }
.copyright { font-size: 0.9rem; margin-top: var(--spacing-unit); opacity: 0.6;}

.clients-section { --logo-count: 6; --logo-item-width: 300px; --animation-duration: 20s; --logo-height: 100px; }
.client-logos-slider { width: 100%; position: relative; margin-top: 2rem; overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent); mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent); }
.logos-track { display: flex; width: calc(var(--logo-item-width) * var(--logo-count) * 2); animation: continuous-scroll var(--animation-duration) linear infinite; will-change: transform; }
@keyframes continuous-scroll { from { transform: translateX(0); } to { transform: translateX(calc(var(--logo-item-width) * var(--logo-count) * -1)); } }
.client-logo { width: var(--logo-item-width); padding: 0 30px; flex-shrink: 0; box-sizing: border-box; text-align: center; }
.client-logo img { max-height: var(--logo-height); width: auto; max-width: 100%; display: inline-block; opacity: 0.6; filter: grayscale(1); transition: opacity 0.3s ease, filter 0.3s ease, transform 0.3s ease; }
@media (hover: hover) and (pointer: fine) { .client-logos-slider:hover .client-logo img { opacity: 1; filter: grayscale(0); transform: scale(1.05); } }
[data-theme="light"] .client-logo img { opacity: 0.6; filter: grayscale(1) contrast(0.6); }
[data-theme="light"] .client-logos-slider:hover .client-logo img, [data-theme="light"] .clients-section.is-in-view .client-logo img { opacity: 1; filter: none; }

.cursor-dot { width: 8px; height: 8px; background-color: var(--accent-primary); border-radius: 50%; position: fixed; top: 0; left: 0; transform: translate(-50%, -50%); pointer-events: none; z-index: 9999; transition: transform 0.2s ease, width 0.3s ease, height 0.3s ease, background-color 0.3s ease; display: none; }
@media (hover: hover) and (pointer: fine) { .cursor-dot { display: block; } }

#animated-hero-title { min-height: 1.2em; white-space: nowrap; display: inline-block; }
#hero-fixed-keyword { padding-right: 0.25em; display: inline-block; vertical-align: baseline; }
#hero-dynamic-text { display: inline-block; position: relative; vertical-align: baseline; }
#hero-dynamic-text::after { content: ''; position: absolute; right: -10px; top: 10%; height: 80%; width: 4px; background-color: var(--accent-primary); animation: blink 1s infinite; transition: opacity 0.2s ease; }
#hero-dynamic-text.hide-cursor::after { opacity: 0; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* === RESPONSIVE FIXES FOR HERO TITLE === */
@media (max-width: 992px) {
    .hero-title { font-size: 3.5rem; }
    .nav-toggle { display: block; position: relative; z-index: 1200; }
    .main-nav { position: fixed; z-index: 1100; top: calc(var(--header-height) + 10px); right: 5%; width: 280px; max-width: 90%; max-height: calc(100vh - var(--header-height) - 20px); overflow-y: auto; background-color: var(--card-background); box-shadow: 0 10px 40px rgba(0,0,0,0.3); border-radius: var(--border-radius); border: 1px solid var(--card-border-color); opacity: 0; transform: translateY(-10px) scale(0.98); pointer-events: none; transition: opacity 0.2s ease-out, transform 0.2s ease-out; }
    .main-nav.active { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
    .main-nav ul { flex-direction: column; padding: var(--spacing-unit) 0; }
    .main-nav li { width: 100%; border-bottom: 1px solid var(--card-border-color); }
    .main-nav li:last-child { border-bottom: none; }
    .main-nav a { display: block; padding: 1rem 1.5rem; width: 100%; font-size: 1.1rem; }
    .main-nav a::after { display: none; }
    .main-nav a:hover, .main-nav a.active { color: var(--accent-primary); background-color: color-mix(in srgb, var(--accent-primary) 5%, transparent); }
    body.mobile-nav-active { overflow: hidden; }
    .footer-content { flex-direction: column; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    #animated-hero-title { white-space: normal; } /* Allow text wrapping */
}

@media (max-width: 576px) {
    .hero-title { font-size: 2.5rem; line-height: 1.3; }
}

@media (max-width: 400px) {
    .hero-title { font-size: 2.2rem; }
}