/* ================================
   CSS Variables & Reset
   Maturare Team - Aprimore • Automatize • Cresça
================================ */
:root {
    --color-primary: #111111;
    --color-secondary: #1a1a1a;
    --color-accent: #D4AC49;
    --color-accent-light: #e0c06a;
    --color-accent-dark: #b8943d;
    --color-text: #e0e0e0;
    --color-text-light: #a0a0a0;
    --color-text-dark: #ffffff;
    --color-white: #ffffff;
    --color-gray-50: #0d0d0d;
    --color-gray-100: #1a1a1a;
    --color-gray-200: #2a2a2a;
    --color-gray-300: #3a3a3a;
    --color-success: #10b981;
    --color-error: #ef4444;

    --font-family: 'Gadugi', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

    --cursor-size: 10px;
    --cursor-follower-size: 40px;

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    --container-max: 1200px;
    --header-height: 80px;
}

/* ================================
   Preloader
================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader__content {
    text-align: center;
}

.preloader__logo {
    width: 80px;
    height: auto;
    margin-bottom: var(--spacing-lg);
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

@keyframes preloaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.preloader__spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-gray-300);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.preloader__text {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ================================
   Custom Cursor
================================ */
.cursor {
    width: var(--cursor-size);
    height: var(--cursor-size);
    background: var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.2s ease, height 0.2s ease, background 0.2s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: var(--cursor-follower-size);
    height: var(--cursor-follower-size);
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    opacity: 0.5;
}

.cursor.hover {
    transform: translate(-50%, -50%) scale(2);
    background: transparent;
    border: 2px solid var(--color-accent);
}

.cursor-follower.hover {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: var(--color-accent-light);
}

.cursor.click {
    transform: translate(-50%, -50%) scale(0.8);
}

/* Hide custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    .cursor, .cursor-follower {
        display: none;
    }
}

/* ================================
   Particles Background
================================ */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Hero Particles */
.hero__bg-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.hero__bg-particles .particle {
    background: rgba(212, 172, 73, 0.4);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

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

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

ul {
    list-style: none;
}

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

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ================================
   Utilities
================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.section__header.animate {
    opacity: 1;
    transform: translateY(0);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

/* ================================
   Buttons
================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

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

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

.btn--secondary {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn--secondary:hover {
    border-color: var(--color-accent-light);
    color: var(--color-accent-light);
    background: rgba(212, 172, 73, 0.1);
}

.btn--admin {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    background: var(--color-gray-200);
    color: var(--color-text);
    border-radius: var(--border-radius-sm);
}

.btn--admin:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

.btn--submit {
    width: 100%;
    padding: var(--spacing-lg);
}

.btn--submit .btn__loading {
    display: none;
}

.btn--submit.loading .btn__text {
    display: none;
}

.btn--submit.loading .btn__loading {
    display: inline;
}

/* ================================
   Header & Navigation
================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.nav__logo {
    z-index: 1001;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo__icon {
    height: 45px;
    width: auto;
}

.logo__icon--footer {
    height: 60px;
}

.logo__text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo__text--gold {
    color: var(--color-accent);
}

.logo__text--white {
    color: var(--color-text);
}

.logo__text--footer {
    font-size: var(--font-size-2xl);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-accent);
}

.nav__link.active::after,
.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-accent);
    transition: all var(--transition-base);
}

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================
   Hero Section
================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    overflow: hidden;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero__text {
    animation: fadeInUp 0.8s ease forwards;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xl);
}

.title__line {
    display: block;
}

.title__highlight {
    color: var(--color-accent);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-md);
}

.hero__visual {
    position: relative;
    height: 500px;
    animation: fadeIn 1s ease 0.3s forwards;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual__container {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual__glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 172, 73, 0.3) 0%, rgba(212, 172, 73, 0.1) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

.visual__logo-wrapper {
    position: relative;
    z-index: 2;
    width: 280px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(17, 17, 17, 0.6);
    border-radius: 50%;
    border: 2px solid rgba(212, 172, 73, 0.3);
    backdrop-filter: blur(10px);
    box-shadow:
        0 0 60px rgba(212, 172, 73, 0.2),
        inset 0 0 60px rgba(212, 172, 73, 0.05);
    animation: float 6s ease-in-out infinite;
}

.visual__logo {
    width: 65%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(212, 172, 73, 0.4));
    transition: transform 0.3s ease;
}

.visual__logo-wrapper:hover .visual__logo {
    transform: scale(1.05);
}

.visual__orbit {
    position: absolute;
    width: 350px;
    height: 350px;
    border: 1px dashed rgba(212, 172, 73, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit__dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(212, 172, 73, 0.6);
}

.orbit__dot:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.orbit__dot:nth-child(2) { bottom: 15%; right: 5%; }
.orbit__dot:nth-child(3) { bottom: 15%; left: 5%; }

.visual__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.visual__particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.6;
    animation: twinkle 3s ease-in-out infinite;
}

.visual__particles span:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.visual__particles span:nth-child(2) { top: 20%; right: 15%; animation-delay: 0.5s; }
.visual__particles span:nth-child(3) { bottom: 25%; left: 10%; animation-delay: 1s; }
.visual__particles span:nth-child(4) { top: 40%; left: 5%; animation-delay: 1.5s; }
.visual__particles span:nth-child(5) { bottom: 10%; right: 25%; animation-delay: 2s; }
.visual__particles span:nth-child(6) { top: 15%; left: 45%; animation-delay: 2.5s; }

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

/* ================================
   Services Section
================================ */
.services {
    padding: var(--spacing-4xl) 0;
    background: var(--color-primary);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service__card {
    padding: var(--spacing-2xl);
    background: var(--color-secondary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.service__card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.service__icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.service__card:hover .service__icon {
    background: var(--color-accent);
    color: var(--color-primary);
}

.service__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

.service__description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ================================
   Portfolio Section
================================ */
.portfolio {
    padding: var(--spacing-4xl) 0;
    background: var(--color-secondary);
}

.portfolio__filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter__btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-gray-200);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.filter__btn:hover,
.filter__btn.active {
    background: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    min-height: 300px;
}

.portfolio__loading,
.portfolio__empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl);
    color: var(--color-text-light);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

.project__card {
    background: var(--color-gray-100);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.project__card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.project__image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--color-gray-200);
}

.project__image img {
    width: 100%;
    height: auto;
    min-height: 100%;
    object-fit: cover;
    object-position: top;
    transition: object-position 2s ease-in-out;
}

.project__card:hover .project__image img {
    object-position: bottom;
}

.project__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-300);
}

.project__overlay {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.project__expand {
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.project__card:hover .project__expand {
    opacity: 1;
    transform: scale(1);
}

.project__expand:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

.project__category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--border-radius-sm);
}

.project__content {
    padding: var(--spacing-lg);
}

.project__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.project__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project__tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech__tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    background: var(--color-gray-200);
    color: var(--color-text-light);
    border-radius: var(--border-radius-sm);
}

.project__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.project__link:hover {
    gap: var(--spacing-sm);
}

.project__link::after {
    content: '→';
}

/* ================================
   About Section
================================ */
.about {
    padding: var(--spacing-4xl) 0;
    background: var(--color-secondary);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(212, 172, 73, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(212, 172, 73, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.about__badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(212, 172, 73, 0.1);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(212, 172, 73, 0.2);
    margin-bottom: var(--spacing-lg);
}

.about__text .section__title {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

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

.about__description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.feature__icon {
    width: 28px;
    height: 28px;
    background: rgba(212, 172, 73, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature__icon svg {
    width: 14px;
    height: 14px;
    color: var(--color-accent);
}

.about__feature span {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.about__visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about__image-container {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about__logo {
    width: 75%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(212, 172, 73, 0.25));
    transition: transform 0.4s ease;
    position: relative;
    z-index: 2;
}

.about__image-container:hover .about__logo {
    transform: scale(1.05) rotate(2deg);
}

.about__decoration {
    position: absolute;
    border-radius: var(--border-radius-xl);
    pointer-events: none;
}

.about__decoration--1 {
    width: 100%;
    height: 100%;
    border: 2px solid rgba(212, 172, 73, 0.2);
    border-radius: 50%;
    top: 0;
    left: 0;
    animation: rotate 30s linear infinite;
}

.about__decoration--2 {
    width: 120%;
    height: 120%;
    border: 1px dashed rgba(212, 172, 73, 0.1);
    border-radius: 50%;
    top: -10%;
    left: -10%;
    animation: rotate 40s linear infinite reverse;
}

/* ================================
   Contact Section
================================ */
.contact {
    padding: var(--spacing-4xl) 0;
    background: var(--color-secondary);
}

.contact__content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
}

.contact__form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    background: linear-gradient(145deg, var(--color-gray-100) 0%, rgba(26, 26, 26, 0.8) 100%);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 172, 73, 0.1);
    position: relative;
    overflow: hidden;
}

.contact__form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.form__group {
    position: relative;
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form__input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    background: rgba(10, 10, 10, 0.6);
    color: var(--color-text);
    backdrop-filter: blur(5px);
}

.form__input::placeholder {
    color: var(--color-text-light);
    opacity: 0.6;
}

.form__input:hover {
    border-color: rgba(212, 172, 73, 0.3);
    background: rgba(10, 10, 10, 0.8);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(212, 172, 73, 0.15), 0 0 20px rgba(212, 172, 73, 0.1);
    background: rgba(10, 10, 10, 0.9);
}

select.form__input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23D4AC49' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 45px;
}

select.form__input option {
    background: #1a1a1a;
    color: #e5e5e5;
    padding: 10px;
}

.form__textarea {
    resize: vertical;
    min-height: 140px;
}

.contact__form .btn--primary {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact__form .btn--primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.contact__form .btn--primary:hover::before {
    left: 100%;
}

.contact__form .btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 172, 73, 0.3);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(145deg, rgba(26, 26, 26, 0.5) 0%, rgba(17, 17, 17, 0.8) 100%);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info__item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.info__icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
}

.info__text h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.info__text p {
    color: var(--color-text-light);
}

/* ================================
   Footer
================================ */
.footer {
    padding: var(--spacing-3xl) 0;
    background: var(--color-primary);
    color: var(--color-white);
}

.footer__content {
    text-align: center;
}

.footer__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.footer__tagline {
    color: var(--color-gray-300);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.footer__bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
}

/* ================================
   Toast Notification
================================ */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-text-dark);
    color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-xl);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-base);
    z-index: 9999;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toast--success {
    background: var(--color-success);
}

.toast--error {
    background: var(--color-error);
}

/* ================================
   Animations
================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) rotate(-5deg) translateY(0); }
    50% { transform: translate(-50%, -50%) rotate(-5deg) translateY(-20px); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeInUp 0.5s ease forwards;
}

/* ================================
   Responsive Design
================================ */
@media (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        margin: 0 auto var(--spacing-2xl);
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }

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

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

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

    .about__text .section__title {
        text-align: center;
    }

    .about__badge {
        display: block;
        text-align: center;
    }

    .about__text .btn {
        display: block;
        text-align: center;
    }

    .about__visual {
        order: -1;
    }

    .about__image-container {
        width: 300px;
        height: 300px;
    }

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

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

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-xl);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        font-size: var(--font-size-xl);
    }

    .nav__toggle {
        display: flex;
    }

    .btn--admin {
        display: none;
    }

    .hero__visual {
        height: 300px;
    }

    .visual__container {
        width: 280px;
        height: 280px;
    }

    .visual__logo-wrapper {
        width: 200px;
        height: 200px;
    }

    .visual__orbit {
        width: 250px;
        height: 250px;
    }

    .visual__glow {
        width: 200px;
        height: 200px;
    }

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

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

    .about__image-container {
        width: 250px;
        height: 250px;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }
}

/* ================================
   WhatsApp Floating Button
================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-10px);
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 70px;
    background: var(--color-secondary);
    color: var(--color-text);
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.whatsapp-float__tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--color-secondary);
}

/* Pulse animation */
.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #25D366;
    border-radius: 50%;
    animation: whatsappPulse 2s ease-out infinite;
    z-index: -1;
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ================================
   Lightbox
================================ */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 40px;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
    z-index: 10;
}

.lightbox__close:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

.lightbox__content {
    max-width: 900px;
    width: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

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

.lightbox__image {
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox__info {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    width: 100%;
}

.lightbox__title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.lightbox__description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-secondary);
    border: none;
    color: var(--color-text);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox__nav:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

.lightbox__nav--prev {
    left: 20px;
}

.lightbox__nav--next {
    right: 20px;
}

/* ================================
   Scroll Reveal Animations
================================ */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* ================================
   Smooth Section Transitions
================================ */
section {
    position: relative;
    overflow-x: hidden;
}

.section-transition {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--color-primary));
    pointer-events: none;
}

/* ================================
   Mobile WhatsApp Adjustments
================================ */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-float__tooltip {
        display: none;
    }

    .lightbox__nav {
        width: 40px;
        height: 40px;
    }

    .lightbox__nav--prev {
        left: 10px;
    }

    .lightbox__nav--next {
        right: 10px;
    }

    .lightbox__info {
        padding: var(--spacing-md);
    }

    .lightbox__title {
        font-size: var(--font-size-lg);
    }
}